Description
Effortlessly- Providing fast riding speed with less effort needed. Ride the farthest distance with the least effort to make your ride easier and more enjoyable..It can promise rotation of chain without much noise ..FUNCTION:7 Speed wheel is Providing fast riding speed with less effort needed, and it will not produce much noise..Constructed of high strength steel, anti-rust, non-deformation, wear-resistant, high performance of durability..Small size error, short running-in period can better adapt to other parts. Speed up the and save time for riding for a long time.