Shimano 105 RD-R7100 12-Speed Rear Derailleur OUT OF BOX Bike Accessories_Rear Hydration Revoshift offers a low-effort rotational

Revoshift offers a low-effort rotational shift action that doesn't depend on finger strength and allows riders to keep their hands on the handlebar while shifting

resettable combination allows the protection of a U-Lock with the convenience of not having to carry keys

Compatible with most standard saddles

6 FRONT REAR PAIR Front NIPPLE FINISH Silver DISC MOUNT Center Lock Disc NIPPLE MATERIAL Brass TIRE TYPE Clincher HUB SEAL TYPE Contact RIM HEIGHT 19 AXLE MATERIAL Aluminum RIM FINISH Anodized/Painted SERIES Non-Series GENERATION RS171 SPOKE MATERIAL Stainless Steel BRAKE TYPE Center Lock Disc O L D 142

Over 15% faster than previous formula

Shimano 105 RD-R7100 12-Speed Rear Derailleur OUT OF BOX Bike Accessories_Rear Hydration Revoshift offers a low-effort rotational