... -speedAvailable Wheel Size: 16", 18", 20", 24", 26", 700C, 28"electric bicycle kit:1. Type: e-bike kit.2. Rated volts and ... ' 24' 26' 28' 700C. speed can be made according to customers' requirements;9.Application Scope: electric bicycle,electric scooter,electric tricycle and so on ... 71cm X 18cm28",700C Wheel: (Rear Wheel Kit): 71cm X 71cm X 22cm new!!fashional powerfull electric bicycle motor,1000w e- ...