[ENHANCE RIDE CONTROL] A7 rear derailleur is uniquely designed to effectively reduce chain jitter, with durable beveled design and large bearing pulleys for sprockets up to 50T, which improves stability during riding and enhances the sense of control.
[EASY UPGRADE] This comprehensive kit makes upgrading simple and easy, you can upgrade your existing 7-speed, 8-speed or 9-speed bike to a 10-speed bike with one click, realizing a worry-free upgrade.
[PRECISE SHIFTING] A7 shifter adopts 1:1 technology for shifting, which realizes fast and precise shifting, together with the ultra-low friction coating, it makes the chain drive smoother and improves the riding efficiency.
[HIGH PERFORMANCE DESIGN] 10-speed design is a must-have for mountain biking, this kit adopts lightweight and wide gear ratio design to enhance speed performance while maintaining excellent stability.
[COMPLETE ACCESSORIES] This comprehensive kit includes shifter, 42T flywheel, fittings, 36T disk, chain, chainring head, tail hook, screws and other necessary components, a one-time purchase, convenient for you to fully upgrade your bike.