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The Chengshan CSC SW900 is a front-wheel electric bike conversion kit built around a 36V 350W hub motor and an SW900 display. It fits 26-inch, 27.5-inch, 29-inch and 700C wheels, so it can electrify most hybrid, city and mountain bikes without changing the frame. The front-hub layout keeps the drivetrain untouched and installs with basic tools, but it adds weight over the front wheel and needs a battery, which is not part of the kit. It suits riders who already own a bike they like and want modest pedal-assist power for commuting or errands rather than speed.
In stock
Store links may earn us a commission. Price via Klarna.
Lowest price we've seen: $369.99 on Nov 14 at Banggood. Tracked across 1 store since Nov 14.
Owners of front-hub kits like this generally report easy installation and useful assist for flat city routes. They also note the front-heavy feel and the extra planning needed to mount a battery and route cables.
This is a 36V, 350W eBike conversion kit with a front-wheel motor.
The kit is listed for 29 inch wheels. The wheel sizes given are 26, 27.5, 29 inch and 700C.
