Bicycle transmission kit,Mountain Bike Crankset 11-50T 10 11-50T 10 Speed Bike Crankset 11-50T Speed Derailleurs Shifter Mountain Bike Speed Derailleurs 1x10 Speed

It can be used to modify your bike shifting system, perfect as a gift for family, friends, colleagues, cycling enthusiasts, etc. It can greatly improve the speed performance of mountain bikes, combining aerodynamics to reduce bike weight and increase riding speed. The kit includes a 10-speed cassette flywheel, a 104BCD 170mm crank set, a 10-speed chain, a shifter, a rear derailleur, a center shaft and a hanger extender. Easy to install and use, with nice compatibility, smooth running, make riding easier. 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.