The Shimano Rear Derailleur 1x11s is designed for riders who want crisp, reliable shifting with a simple and robust 1x drivetrain setup. Built around Shimano’s proven derailleur technology, it delivers precise gear changes across an 11-speed cassette, whether you are grinding up steep climbs or accelerating on fast, flowing trails. Its sturdy construction is made to handle everyday riding, from demanding mountain bike routes to gravel adventures and tough commuting, while still offering smooth, quiet operation.
This rear derailleur is optimized for 1x systems, eliminating the need for a front derailleur and simplifying your cockpit and maintenance. Shimano’s characteristic chain management helps keep the chain stable over rough terrain, reducing dropped chains and unwanted noise. Compatible with standard 11-speed Shimano shifters and cassettes, it is an excellent choice for upgrading an older bike or completing a new build. If you value dependable performance, easy setup, and low-maintenance operation, the Shimano Rear Derailleur 1x11s is a smart, future-proof component for your drivetrain.