Shimano Acera RD-M360 7/8sp Rear Derialleur Black

• Top-normal design offers crisp, clean, controlled shifts to lower gears, allowing excellent shifting under heavy load and acceleration. • Advanced Light Action design for smooth, easy gear changes • Low-friction link pivot bushings result in improved shifting performance • Over-sized 13-tooth pulleys • Aluminium and steel construction for strength, without sacrificing strength.