36V 48V 250W Motor Parameters. Front drive open size (mm). Rear Rotate drive open size (mm).
Rear Cassette drive open size (mm). 16"/20"/24"/26"/27.5"/28"/29/700C---Optional. Conversion Kit not include Battery. 1 PCS 250W Hub Motor with Rim and Spokes.1 PCS 250W Motor Controller. 1 PCS Controller Bag(not battery).
Gifts: 1Controller Bag(not battery) + 5Install cable ties + 1stretch film+ 1Installation Manual. Different kits have different specifications of accessories. Specification information is in the main picture.