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11m 4sLenght
434Rating

http://electricbikereview.com/8fun/bbs02/ This is one of the only DIY electric bike kits that uses a centerdrive. It keeps weight low and center on the bike frame and leverages your rear cassette to improve climbing or speed but may wear your chain and cogs more quickly as a result. This kit offers pedal assist and throttle mode and comes with the motor, front ring, cranks, brake levers and display but you'll need to buy a battery pack separately. This is also referred to as the Bafang BBS02 kit with 750 watt middrive.