Kit includes 10 speed cassette flywheel, 104BCD 170 mm crankset, 10 speed chain, shifter, rear derailleur, center shaft, and hanger extender. Made of high quality steel and aluminum alloy, it is sturdy, durable, strong, wear-resistant and impact-resistant, and not easy to rust. Aerodynamics can be combined to reduce the weight of your bike, increase riding speed, and significantly improve the speed performance of your mountain bike. It can be used to change your bicycle's shifting system and is a great gift for your family, friends, colleagues, cycling enthusiasts, etc. Easy to install and use, highly compatible, smooth running, improve your riding comfort.

Features: Kit includes 10-speed cassette flywheel, 104BCD 170mm crankset, 10-speed chain, shifter, rear derailleur, center shaft, and hanger extender. Aerodynamics can be combined to reduce the weight of your bike, increase riding speed, and significantly improve the speed performance of your mountain bike. Made of high quality steel and aluminum alloy, it is sturdy, durable, strong, wear-resistant and impact-resistant, and not easy to rust. It can be used to change your bicycle's shifting system and is a great gift for your family, friends, colleagues, cycling enthusiasts, etc. Easy to install and use, highly compatible, smooth running, improve your riding comfort. Specifications: Material: Steel + Aluminum alloy Flywheel: 10 speed (11-13-16-20-24-28-32-36-42-50T) Crank length: 170mm Chainring BCD: 104mm Package size: 260 x 180 x 150mm/10.2 x 7.1 x 5.9 inch. Package Weight: 2015g/ 4.4lb Packaging List: 1 * 10 Speed ​​Cassette Flywheel 1 * 104BCD 170mm Crankset 1 * 10 Speed ​​Chain 1 * Shifter 1 * Rear Derailleur 1 * Center Shaft 1 * Hanger Extender
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Color: ‎Multicolor
Product size: ‎26 x 18 x 15 cm; 2.43 kg