Sunrace RD-R81 8-Speed Road Rear Derailleur, Aluminum & Steel Construction Valve Length_42mm - Includes: Handy keychain for

- Includes: Handy keychain for easy transport and storage

technology-forward accessory that combines style

providing innovative storytelling combined with stunning imagery that captures the essence of desert climbing environments

and seamless shifting across rapidly changing terrains

Compatible with Bosch Drive Units BDU31YY

Sunrace RD-R81 8-Speed Road Rear Derailleur, Aluminum & Steel Construction Valve Length_42mm - Includes: Handy keychain forUpgrade Your Cycling Setup with the Sunrace RD R81 8 Speed Rear Derailleur Precision, Durability, and Smooth Shifting for Road and Cyclocross Bikes Maximize your bike's performance with the Sunrace RD R81 Rear Derailleur, engineered for reliable and smooth 8 speed shifting. Designed for cyclists seeking durability and seamless gear transitions, this high quality component is perfect for road and cyclocross bikes looking to enhance their gearing