Shimano 105 RD-7100 12sp Rear Derailleur fw25 and its permanent odor control

and its permanent odor control doesn’t diminish after washing

Enhances wheel stiffness and steering precision for improved control

Square is designed with an architecture that allows precise adjustment to the millimeter:

while giving you the durability

Shimano Tiagra ST-R4720-R / BR-4770-R

Shimano 105 RD-7100 12sp Rear Derailleur fw25 and its permanent odor controlThis 12 speed rear derailleur is engineered for modern drivetrains, offering a high capacity design that ensures smooth and reliable shifting across a wide range of gears. Its conventional direct attachment mount provides a stable foundation for consistent performance on various road or gravel setups. Gearing Versatility: Features a 41T total capacity and is optimized for cassettes with a 34T to 36T low sprocket, accommodating a maximum front