Shimano RD-M8100 Rear Derailleur XT 1 X 12-Speed 10-51 Base Layer Bottoms reduces weight

reduces weight

With a robust construction and easy installation

which is thicker in strategic zones to manage higher impact and repetitive forces

fitness apps like Zwift

Shimano RD-M8100 Rear Derailleur XT 1 X 12-Speed 10-51 Base Layer Bottoms reduces weightThe Shimano RD M8100 Rear Derailleur is a high performance component tailored for 12 speed mountain bike drivetrains, featuring Shadow RD+ technology for a low profile design that minimizes damage risk and reduces chain slap, ensuring stable and quiet operation. Its Hyperglide+ technology enables smooth and precise shifting, while its durable construction withstands the rigors of off road riding. With direct mount compatibility and adjustable clutch