1x10 Speed Derailleurs er Groupset Bike Crankset 11-50T Cassette Flywheel 10 Speed Chain for MTB Mountain Bike

Details

• The kit includes a 10-speed cassette flywheel, a 104BCD 170mm crank set, a 10-speed chain, a er, a rear derailleur, a center shaft and a er extender.
• It can greatly improve the speed performance of mountain bikes, combining aerodynamics to reduce bike weight and increase riding speed.
• Made of high-quality steel and aluminum alloy, it is sturdy and has nice durability, high strength, wear-resistant and impact-resistant, not easy to rust.
• It can be used to modify your bike ing system, perfect as a gift for family, friends, colleagues, Cycle enthusiasts, etc.
• Easy to install and use, with nice compatibility, smooth running, make riding easier.