Shimano Acera RD M360 7 8 Speed Mountain Bike Rear Derailleur 3x7s 3x8s Bicycle Rear Exchange 21V 24V Cycling Accessories

Brand: SHIMANOModel: RDM360Grade: ALTIMaterial: Aluminum alloySpeed: 7-speed 21-speed/8-speed 24-speed universal (compatible with 7-speed 21-speed)Origin: MalaysiaProduct features1. Wide chain design. Stronger rigidity. Stronger variable speed.2. Large guide wheel design. Extra large 15-tooth tension wheel and 13-tooth guide wheel to reduce noise and wear3. The SMARTCAGE guide wheel plate not only makes the appearance of the bicycle more beautiful, but also increases the ground clearance and improves the passing capacity. Advanced light operation design, low friction connection points and low tension tension tension spring significantly reduce the required switching force of the chain puller regardless of the position of the tooth piece. Low friction link hub sleeveTube, reducing friction.