Shimano Acera M3020 Rear Derailleur Description: The Shimano ...
Acera RD-M3020 rear derailleur features Double Servo technology to provide smooth, precise shifting in order to help you ride challenging terrain with fewer interruptions. Features: Double Servo mechanism enables the rear derailleur ...
The Shimano Alivio M3100 rear derailleur delivers a ...
low profile design that lets you ride aggressively with fewer interruptions thanks to its shadow design. Features: Sleek low profile design Barrel adjuster for easy tunability Shimano Shadow RD spring technology 36T ...
Shimano CUES Di2 RD-U6070 Rear Derailleur Description: The ...
Shimano CUES Di2 Rear Derailleur ensures smooth and intuitive auto-shifting so you can enjoy the fun and healthy benefits of being out on your bike. Automatic shifting always finds the perfect gear ...