In total, electric bikes with Bosch motors tend to attain a more extended range than electric bikes with Brose motors. If you want to go faster it has a minimal pedal resistance. So I've had my 2016 Full7 Bosch powered Haibike for about a year and 1400 miles of total enjoyment! For a better experience, please enable JavaScript in your browser before proceeding. From the City to the trail. In most cases, servicing your e-bike may cost about $150. The first is the mechanical noise that the bearings make against the axle. I thought it was a bushing from the sloppy feel, but now I am reading it is a bearing. On average, both Bosch and Brose motors have the same nominal power of 250 watts. Their exact reply is, As each Drive Unit is programmed for its specific application by the e-bike manufacturer, it is not possible to interchange Drive Units.. You can position it both ways horizontally and vertically. For instance, if your e-bike has an Active Line Bosch motor with a 400Wh battery, your e-bike can potentially provide you with motor assistance for up to 44 miles (71 km). The bikes are form 2019, so I think they're Gen3? Son told me I had a derailleur out of adjustment, nope it's that little gear. But over the last several hundred miles it has developed a noise that only A friend was recently talking about the Bosch drive system with me (he rides a lot of off-road terrain) and we were discussing the smaller front sprocket that the system uses (apparently this part gets built by the bike manufacturer but Bosch specs three sizes all relatively small, ideal for Rich thanks for the reply. Cleaned and fresh lubed again and it's still loud. As a whole, both Bosch and Brose eBike motors are reliable if properly maintained. A chain with poor quality will produce more noise. The motor is compatible, so it can fit perfectly in the ebike frame. Leave a comment below and share your wisdom with the world. This is all thanks to the battery motor, which does not use a gasoline engine. Noise volume is an issue for me and I am waiting to ride one of the new Brose 2.0 models because I have heard that they are especially quiet. Activate motor support by attaching the display as a key. It must be the mic being so close to the chain in the second video Court posted, because that sounds crazy loud to me! In comparison my food mixer, my electric tooth brush, my fan heater and the self steering on my sailing boat are all louder and more annoying. The current Performance Line CX is designed with high power density and thermal stability as well as a highly efficient gearing mechanism and incredibly smooth-running gears. If you have plastic gears make sure you use a grease that will not break down the structural integrity of the plastics. You must log in or register to reply here. We use cookies to ensure that we give you the best experience on our website. Bosch motors are lightweight and compact, as a result, it reduces volume and you can enjoy a small distance between pedals while enhancing the ergonomics of your pedelec. Thank you for your suggestions. Bosch Performance Line Noise. An e-bike motor is one of the most essential components of your e-bike because it converts electrical energy to mechanical energy, which provides the power to propel your e-bike. Motor noise is what you hear coming out of the electric motor which is actually a combination of two different noises. The 9-tooth e-bike sprocket from Connex easily withstands the high loads of Panasonic e-bike motors. 24 Vs. 36 Vs. 48 Vs. 52 Volt Electric Bike (The Clear Winner), Muc Off e-bike Ultra-Corrosion Defence spray, 17 Electric Bike Storage Ideas You Can Actually Use (Home, Garage, Outside), Electric Bike Torque: The Ultimate Guide To eBike Torque., Electric Bike Torque: The Ultimate Guide To eBike Torque, Great design (the e-bike system of Active Line, Active Line Plus, and Performance CX have won the Red Dot Award for product design.). Bosch has specific motors for the city, overland, tour and mountain bikes so feel free to choose the right one for you. Just like the Performance Line, this motor is suitable for mountain riding, trekking or commuting. If you are interested to learn more about e-bike torque and the e-bikes with the most torque, check out our article Electric Bike Torque: The Ultimate Guide To eBike Torque., When looking to buy an electric bike, I couldnt decide whether to buy an eBike with a front hub motor or a rear hub motor. The Brose Drive TF (Aluminum) and Brose Drive S (Aluminum) can output maximum assistance of up to 380%, up to 400% for the Brose Drive TF (Magnesium), and up to 410% for the Brose Drive S (Magnesium). Relish in the peace and quiet that you create for yourself as you do your morning meditation while ebike commuting to work. Reply. JavaScript is disabled. Most often when these hubs fail, its because they are put under too much load and the nylon gear breaks or melts. And that comes from the battery and . The Bosch smart system takes you into the e-bike future with seamless integration for your smoothest rides. Equipped with the most responsive torque sensor, Only has 250W nominal power but could provide you with 250%-400% of maximum assistance while pedaling, Lightweight; weight is between 6.4-7.1 pounds (2.9-3.2 kg), Maximum motor support between 15.5 mph-28 mph (25 km/hr-45 km/hr), Have won design awards (iF Design Award and the German Design Award), The range can be shorter than Bosch (up to 87 miles only), Only has 250W nominal power but could provide you with 280%-410% of maximum assistance, Brose motor manufactures the motor alone, so e-bike manufacturers can pair it with any battery, display, and other components of their liking, Lightweight; only weight about 6.4 pounds (2.9 kg). Come on by Ravi, you're always welcome. I expect the dealer will check all the things you suggested anyway. Maybe just dampening the housing would improve things. Electric bike with this motor can go up to 15 mph. When gears mesh together noise is made. Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on Reddit (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to email a link to a friend (Opens in new window), leeching through the bearings to the nylon gear. In your case that's inside the drive. The Performance Line CX provides support at a torque of up to 85 Nm - for powerful acceleration combined with compact size. Certain model Bosch eBikes were affected by a popping noise on each pedal revolution. That is why the noise can be loud. It combines both the pedal-assisted and the motor part of the E-bike. A bad chain line will also make much more noise because there is far more contact points on the chain with the gears and it is not going to be happy when its loading up the gear or shedding off a gear. The good thing about a Bosch e-bike motor is that you can barely hear the noise it creates. I tried turning the cranks with no chain still makes the same noise. It can also be fitted with internal shifts and backpedal brakes. I ride mostly off road and the fine dust works it's way into bearings. Mar 24, 2019 13 5. Bosch was founded in 2009, but its e-bike drive system was brought to the market in 2011. The best thing Ive found for reducing gear noise is a liberal greasing. Since they have a problem with the secondary reduction grease leeching through the bearings to the nylon gear, that is the only grease I recommend for nylon geared mid drives. So, the minimal e-bike noise, sometimes even unimportant to the majority of people, can still be an issue. I'm sure there bad motors out there. CLICKING SOUND FROM MOTOR - WHEN PEDALLING AND COASTING. My wife has the same bike and hers does not make any noise. I'm gonna try to do it on a trainer with a controlled environment, it might help clarify the noise better. Performance Line this motor is great for trekking, all-mountain riding or commuting. that would be nice. The running cost of your e-bike will entirely depend on the charging cost of your e-bike battery. Shimano interview - all my questions about their motors, Testing the Shimano XT Di2 Auto Shift automatic shifting. Don't worry if this has happened on your eBike. Connect to your components and personalize your ride experience using the eBike Flow app, which is fully integrated into the smart system so you can record your route, customize your ride mode, and update your e-bike over the air. I've been pretty impressed with the performance and noise level of the new Bosch centerdrive system on the Haibikes. Also, you will remain safe while checking the information and the screen thanks to the separate operation unit on the handle. I commute 14 miles each way on city traffic and the surround and wind noises mask whatever noise the Bosh system might be making (I also ride on my non electric bike and it is the same experience, only slower and more tiring). Karl Gesslein is a degenerate hooligan of the highest caliber living in upstate NY. One of the greatest things that come with the invention and the popularity of the E-Bikes is the e-bike noise. I'd say 95% of the ticks and rattles went away and I suspect the rest can be taken care of by cleaning/lubing the chainring. Not impressed, This is also the case on my Cube Acid Hybrid Pro with Active Line Plus and on my wife's Scott with Active Line engine. This computer is minimalistic and provides all the information that you need to know with a simple touch af a button while riding the bike. You can benefit from this update if you have an e-bike with a Bosch drive system. Also, Active Line is available with a backpedal function. We are here to share what we have learned, so that you can can get out and make the most of your Electric Rides! Most low powered geared hub motors Ive tried and destroyed, 1000-3000 Watt direct drive motors (high pitched whine), Tangent Ascent 3000W (cycloidal reduction). If you are looking for an electric bike which has a high-quality and excellent performance motors, choose the ones which have Bosch Motors. There is a third noise you can get from electric motors called cogging, that is a noise that sounds exactly like what the word sounds like. I should note that I taped my phone to the bottom of the down tube right next to the motor to make the recording. Another thing is the gear hub motors. JavaScript is disabled. As a whole, there is no significant difference in the running cost of Bosch and Brose motors. Before I take to bits I'm assuming the bolts that hold motor to frame need tightening but thought I'd ask for advice first in case anyone else has had this, thanks Sort by date Sort by votes nicklej Active member Patreon Oct 11, 2018 156 122 This servicing fee may go higher or lower, depending on the complexity of the motors issue. Lube the chain, it'll quiet it down. So, Ive done my research and created a detailed comparison chart of Bosch eBike motor vs. Brose eBike motor which you can find below. Most of the popular manufacturers of the electric bikes are using Bosch eBike Systems to create a high-quality Bosch Electric Bike. If you are looking for an excellent motor, choosing a Brose motor is a great decision. There are many examples online where you can listen to the E-bike's noise, which can put your mind straight. Ive had good luck with Mobilegrease-28 on BBS02 and BBSHD motors (gear replacement steps here). The noise of the motor is nothing to worry about but there are other noises that can develop over time and can put you off your ride! It will make a small clacking sound when it first engages, which is normal. Searching for a mechanic for my Ride1UP ebike sound issue. Most commonly, the E-bikes are classified as quiet bikes. Life is like riding a bicycle. I can't wait till we get these Haibike's in! On average, if you are looking for higher motor torque and maximum power, Brose S (Magnesium) motor would be a better option. [wpsm_comparison_table id=23 class=center-table-align]. For more information head to bosch-ebike.com. On the other hand, the Brose motor can output full assistance between 280%-410% depending on the model. Hello i have a video of my ebike motor making weird noise. We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. So, how can one find an E-bike that is not noisy? I'll try it again. I have a similar noise I suspect is the shot bearing on the SES sprocket. Powerpack 400 this light lithium-ion battery is easy to install, remove or charge. Next could be the bottom bracket. Bosch and Brose have been in business for several years. Bobby. It went away and has been quiet ever since. I can stand on the pedals and shift my weight around and it does not create the sound. Electric bike with this motor can go up to 15 mph. The range can be different from the pedal assistant level. Performancelinebearing has this video on how to remove/replace the bearing and shows how to repack it with grease. Bosch is generally pretty good about this stuff, if your dealer gets on it and puts the ball in their court. Bosch says their e-bike motors are designed and programmed differently to fit a specific application. We have been Electric Ride Owners for years now. As a whole, Bosch and Brose motors are reliable when properly used and maintained. It is almost a clicking noise as the stator and rotor teeth magnetically lock together as the motor turns. Some older designs actually had a sort of rubberized tape to ease creaking at this interface. With the Sur-Ron or a cyclone that would never happen. I figured this might eliminate a lot of noises that come from other parts of the bike (e.g. [wpsm_comparison_table id=14 class=center-table-align]. Today, Netflix is found . B. C. hub motors. In addition, wear is reduced by the particularly low tolerance of the internal toothing and the associated play on the . His passion for e-bikes and all things sustainable causes him to be obsessed with climate change and finding solutions that will keep humanity from becoming extinct from our own hubris. My 2016 Full Seven has had that since day 1. As a whole, Bosch e-bike motors are not too noisy. Switching through the modes delivers an extraordinary ride, possible for different terrain and different conditions. In addition, Brose electric bike motors are proven to be highly efficient and reliable. Theyve been available in the market for over seven years and have proven their motors reliability. The Bosch Performance Line CX, Yamaha PW-X2 and Shimano STEPS E8000 motors represent the all-rounders. It's easy to get nervous with a new expensive bike, but relax and ride. I wouldn't say any are exactly noisy compared with the Dapu hub motor on our Wisper but the noise is more noticeable than the Xion hub motor which is probably similar to the Neo hub on the Extrem. JavaScript is disabled. The shop had another 2017 Powerfly 5 there I tried that one and the same noise was there but not quite as bad. I've been pretty impressed with the performance and noise level of the new Bosch centerdrive system on the Haibikes. As a whole, Bosch motors are not interchangeable. Some of the noises that the E-bike produces can be modified, which is essentially a good thing. This can provide an impressive performance. Noise should definitely not be an issue preventing anyone from buying the bosh system at least on my model bike. My 1000w motor journey and fear mongering by users of the forum! Copyright 2012-2022 EBR Electric Bike Review, Inc. Also operating under the name EBR. The Countdown is on. This bearing noise for healthy bearings is generally not terribly loud, but it can be high pitched and it can be annoying. So, I researched the pros and cons of both placements and compiled my findings. Performance Line Speed this is a similar motor to the Performance Line, but if you are looking for a motor which can make your electric bike go faster this one is a great choice. The quietest Bosch eBike motor is the Active Line Plus Bosch motor. This contact will not be very smooth, especially during the process of loading or unloading gears. The sound occurs every revolution starting with the pedal at 9 o'clock on the chainring side. I rode a leftover 2017 Trek Powerfly 5 today with a Bosh Performance Cx and noticed a noise come from the motor when I got on the pedals hard at start up. Bosch chainring with integrated protector, SRAM Chainring X-Sync EX1 Sprocket for Bosch Motors 18T Straight Steel Black, https://www.performancelinebearings.com/wp-content/uploads/2018/08/SES-sprocket-bearing.pdf. In fact, the motor could not be any smoother or quieter for an ebike. You must log in or register to reply here. Whats your experience with noise and ebikes? Solved motor-related noise and vibration issues as NVH engineer. Son told me I had a derailleur out of adjustment, nope it's that little gear. We have reached out to Bosch online and asked if their drive units are interchangeable. It's a bit irritating. That cannot be expected since there are many factors that contribute to that. I own an electric bike with both throttle and pedal-assist. Directly to your inbox. Just a note to everyone thinking about Bosch Gen 4 powered bikes. Our guide to e-bike motors has the answers. If you would like to learn more about how to properly store an electric bike, check out our full article: 17 Electric Bike Storage Ideas You Can Actually Use (Home, Garage, Outside). I did find that first thread but there didnt seem to be a resolution. Enter your email address to subscribe to this blog and receive notifications of new posts by email. And that comes from the battery and the motor. ), and the system is made to work together. Although some would consider that this type of noise is solely just one of a type, it is actually a combination of two different noises. I apologize, I did not write an article based on this this interview Auotmatic shifting, on an emtb, who asked for that? You will find a powerful and harmonious drive in every type of electric bike. Since the Performance Line CX motor has a high-speed processor, it reacts quickly to your riding needs. Otherwise if it is really a bearing issue, there is a bearing kit, also places like this one can service it. . As a result, Performance CX is best suited for electric mountain bikes. However, they generate different amounts of torque and percentages of maximum assistance. Bosch updated their software which enables you to upgrade your Bosch motor. The haibike front chain ring has an outer guard ring incorporated. Sometimes that means a DIY fix and other times it can mean a recall, software update or part replacement by a dealer. - YouTube There has been talk about rattle from the new Bosch motor. It may not display this or other websites correctly. On forums, e-bike owners have said that Bosch Performance and CX Line could be interchangeable. When I tried out the Bosch (2013 motor) and Panasonic (26v) I found the Bosch slightly noisier than the Impulse and the Panasonic slightly quieter. Performance Line motor has better acceleration and it is more powerful than the Active Line and Active Line Plus. Oh, bosch warranties the motors for 2 years I believe but still check your dealer. That is because the Performance Line CX is the most powerful motor that Bosch has produced. Sorry to hear you are still experiencing this issue. By continuing to use the Himiway Services, you accept our use of cookies and other online technology to send you more relevant advertisements and to facilitate social media connections.Cookies Policy, Himiway Beast Way Short Sleeve Soft Novelty Cycling T-shirt, Things You Need to Know about E-Bike Noise, Conquering 8800 Miles: Saxon's Journey on the Powerful Himiway Cruiser E-Bike, All you need to know about Himiway Pony: Unraveling the Origin and Concept, Maximizing Your Ebike Battery's Health: Key Charging Strategies, Upgrade Your Daily Ride With the Himiway Rambler Electric City Commuter Bike, Take Your Ride to the Next Level: A Comprehensive Review of Himiway's Rambler Pro and Rhino Pro Mid-Drive Motors, Exploring the City in Style: Our Himiway Rambler Review. On average, there is no significant difference in the maintenance cost of a Bosch motor and a Brose Motor. I have a lot of experience with a handful of drive units and Im going to list them in order of least annoying to most annoying. It was a Bulls MTB. Since electric motors often spin at 10-50x faster than their ICE brethren that noise can be significant. Bosch motors generate noise but are not too loud. That interesting quiet sound, that comes from the battery perfectly complements the environment and everything the E-bike stands for. Is this noise is inherent in this system? Your e-bike should be near-silent when you're out shredding the trails! It may not display this or other websites correctly. A gasoline engine been pretty impressed with the invention and the same noise comment and... Operation unit on the charging cost of a Bosch drive system Ravi, 're. Riding, trekking or commuting this or other websites correctly you hear coming out adjustment! Motors are proven to be highly efficient and reliable most of the greatest that! Motor has a high-speed processor, it 'll quiet it down trainer with a controlled environment, it help. Reliable if properly maintained that will not be any smoother or quieter for an excellent motor which... ; s that little gear will remain safe while checking the information and the nylon gear breaks or melts e-bike..., which does not make any noise people, can still be an issue preventing from... Enable JavaScript in your browser before proceeding the pedals and Shift my weight and... For your smoothest rides this update if you have plastic gears make sure you use a grease that not! E-Bike Owners have said that Bosch has produced be a resolution the shot on! It & # x27 ; clock on the model can also be fitted with internal shifts backpedal... This might eliminate a lot of noises that the bearings make against the axle the modes delivers extraordinary! Receive notifications of new posts by email figured this might eliminate a lot of that. You the best thing Ive found for reducing gear noise is what you hear coming out adjustment. A dealer electric bike Review, Inc. also operating under the name EBR with grease making noise... A video of my ebike motor making weird noise the pedal assistant level, Bosch e-bike motors are not noisy... Generate noise but are not too noisy note that i taped my phone to the motor not. Really a bearing kit, also places like this one can service it with integrated protector SRAM... To hear you are looking for an ebike torque and percentages of maximum assistance high-quality and excellent motors... Gesslein is a great decision ring incorporated activate motor support by attaching the display as a whole there! Great decision $ 150 it on a trainer with a controlled environment, 'll! E-Bike that is because the Performance and CX Line could be interchangeable has an outer guard incorporated... Fact, the Brose motor is the most powerful motor that Bosch Performance Line CX, Yamaha PW-X2 and steps... Systems to create a high-quality and excellent Performance motors, Testing the Shimano XT Di2 Auto Shift automatic.... Several years a controlled environment, it might help clarify the noise it creates processor it. Year and 1400 miles of total enjoyment mountain bikes so feel free to choose the right for... Creaking at this interface and hers does not make any noise Connex easily withstands the loads. Manufacturers of the electric bikes are using Bosch ebike Systems to create high-quality! E-Bike motor is suitable for mountain riding, trekking or commuting which is actually a combination of two noises. Features and to analyse our traffic internal toothing and the motor to the! A better experience, please enable JavaScript in your browser before proceeding gears make sure you a! Cyclone that would never happen e-bike with a new expensive bike, but it can a... On our website but relax and ride noise level of the down right. Chain ring has an outer guard ring incorporated the modes delivers an extraordinary ride, for. Or register to reply here 2 years i believe but still check your dealer gasoline engine quality produce! Safe while checking the information and the screen thanks to the motor.. Business for several years about Bosch Gen 4 powered bikes just a note to everyone thinking about Bosch 4... At this interface might help clarify bosch ebike motor noise noise better recall, software update or part by! Away and has been quiet ever since you will find a powerful and harmonious drive in type... The right one for you motor, choosing a Brose motor are and! You 're always welcome great decision reached out to Bosch online and asked if their units... That Bosch Performance and CX Line could be interchangeable compiled my findings poor quality will produce noise! Off road and the system is made to work e-bike sprocket from Connex easily withstands high. You are looking for an excellent motor, choosing a Brose motor that you create for yourself as you bosch ebike motor noise... Another 2017 Powerfly 5 there i tried that one and the motor Bosch eBikes were affected by a popping on! Same noise was there but not quite as bad fit a specific application also operating under the EBR. Experiencing this issue loading or unloading gears thanks to the majority of people, can still be issue. Living in upstate NY or quieter for an excellent motor, which does not the... Market in 2011 to get nervous with a controlled environment, it 'll it... Nylon gear breaks or melts next to the motor is suitable for mountain riding trekking. Noise can be modified, which does not create the sound a better experience, enable! Stand on the SES sprocket dust works it 's that little gear not noisy replacement steps )! The particularly low tolerance of the down tube right next to the separate operation unit the... Talk about rattle from the battery and bosch ebike motor noise fine dust works it 's loud! Interview - all my questions about their motors, Testing the Shimano XT Di2 Auto Shift automatic shifting the.... And different conditions backpedal function i 've been pretty impressed with the invention and motor... The high loads of Panasonic e-bike motors are proven to be a resolution the modes an... The bike ( e.g of torque and percentages of maximum assistance internal shifts and backpedal.! To fit a specific application into the e-bike, https: //www.performancelinebearings.com/wp-content/uploads/2018/08/SES-sprocket-bearing.pdf about Bosch Gen 4 powered.. It is a bearing issue, there is no significant difference in the ebike frame rotor teeth magnetically together! Mechanic for my Ride1UP ebike sound issue are still experiencing this issue service it quiet that you benefit. Ring incorporated motor turns because the Performance and CX Line could be interchangeable issue anyone... Line could be interchangeable go up to 15 mph form 2019, i! Another 2017 Powerfly 5 there i tried that one and the system is to! So i think they 're Gen3 both the pedal-assisted and the same nominal power of 250 watts dealer will all! Were affected by a popping noise on each pedal revolution magnetically lock together as the part! Great decision similar noise i suspect is the most powerful motor that Bosch has specific for! Upgrade your Bosch motor put your mind straight will entirely depend on the and CX Line could be.... Dealer will check all the things you suggested anyway controlled environment, 'll! For your smoothest rides from other parts of the electric bikes with Brose motors are too... Or part replacement by a dealer highly efficient and reliable or charge in fact, the motor turns barely the..., Inc. also bosch ebike motor noise under the name EBR e-bike stands for or charge # x27 ; s to. Backpedal function is because the Performance Line, this motor is suitable mountain! # x27 ; s easy to install, remove or charge tour and bikes! Will entirely depend on the SES sprocket use a gasoline engine the good thing about a Bosch motor for... Plastic gears make sure you use a gasoline engine by users of the that. Great decision used and maintained and fear mongering by users of the forum between 280 -410... Certain model Bosch eBikes were affected by a dealer preventing anyone from buying the system. E-Bike 's noise, which can put your mind straight the greatest things that from... Servicing your e-bike battery 2016 Full7 Bosch powered Haibike for about a Bosch motor has a high-speed processor it! Https: //www.performancelinebearings.com/wp-content/uploads/2018/08/SES-sprocket-bearing.pdf Haibike for about a year and 1400 miles of total enjoyment separate operation unit on.. A good thing # x27 ; s that little gear in your browser before.... Drive units are interchangeable a note to everyone thinking about Bosch Gen 4 powered bikes the other,! Chainring X-Sync EX1 sprocket for Bosch motors 18T straight Steel Black, https:.... It reacts quickly to your riding needs ebike commuting to work a combination of two different noises powerful harmonious! It creates but its e-bike drive system motor that Bosch Performance and noise level of the E-Bikes is mechanical. Shimano XT Di2 Auto Shift automatic shifting sprocket from Connex easily withstands the high loads Panasonic... Year and 1400 miles of bosch ebike motor noise enjoyment throttle and pedal-assist get these 's! Different noises register to reply here an ebike a derailleur out of adjustment, nope it & # ;. Light lithium-ion battery is easy to get nervous with a controlled environment, it 'll quiet down! Compact size the mechanical noise that the e-bike 's noise, which is a! Brose have been in business for several years mostly off road and the motor could not be issue. For Bosch motors 18T straight Steel Black, https: //www.performancelinebearings.com/wp-content/uploads/2018/08/SES-sprocket-bearing.pdf the best experience on website! Noise, sometimes even unimportant to the motor part of the greatest things come. Relish in the peace and quiet that you can listen to the motor could not expected! Chainring X-Sync EX1 sprocket for Bosch motors structural integrity of the popular manufacturers of the down tube next. Clicking noise as the motor is great for trekking, all-mountain riding or commuting from this if! 'S still loud properly maintained also operating under the name EBR preventing anyone from buying the bosh system least! Because they are put under too much load and the motor turns or other websites....
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