Sunrace Mountain Derailleurs

to easily handle wide-range cassettes while maintaining outstanding chain tension. Designed with durable 3D forged linkages, this derailleur can withstand just about any kind of abuse you can throw at it on ...

completes shifts in the blink of an eye with its high-performance motor and optimized link structure. The derailleur is the hub of the Shimano Di2 system, with the charging port, indicator LEDs, ...

to perform on the road. Shadow chain retention technology helps to combat dropped chains and missed shifts. It is compatible with 11-speed Shimano road drivetrains and shifters.

CUES RD-U8000 Shadow Plus rear derailleur offers smooth and decisive shifting performance for 1x11 speed drivetrains. The low-profile design and chain stabilization give riders confidence when riding over rougher terrain. Plus, the ...

race-proven quality with Shimano original technologies to help keep you flowing and focused on the trail. The E-Bike optimized design allows full integration with SHIMANO E-Bike Systems and LINKGLIDE drivetrains for increased ...