7075 Aluminum: Adopts 7075 aluminum alloy guide plate, high strength, not easy to break, strengthened rocker arm support structure is safe.
Stable Speed Changing: Speed change will be stable and fast, will not make you feel any discomfort, providing a satisfying using experience.
16 Tooth Pulley Wheel: 16 tooth bearing guide roller pulley wheel, can more precisely match the chain, reduce the transverse space, shorten the speed change response time, improve the speed change efficiency.
Ceramic Bearing: Aluminum alloy guide wheel with ceramic bearing, friction power consumption has reduced, climbing is more energy saving, effectively improve the stepping frequency.
Package Content: The package contains only a bike derailleur pulley cage, other accessories and tools need to be prepared by yourself.