Shimano Altus RD-M310-L Rear Derailleur - 7/8 Speed Bike Accessories_Computer Mounts SRAM’s 10-speed chain features hollow

SRAM’s 10-speed chain features hollow pins for light weight

All you need is a speed sensor

Installs Quickly and Stays in Place

BBS02 mid-drive motor lockrings

Shimano Altus RD-M310-L Rear Derailleur - 7/8 Speed Bike Accessories_Computer Mounts SRAM’s 10-speed chain features hollowMegaPulley (RD M310) 13 13T pulley (RD M360) Advanced light action Wide link design for more rigidity and precise shifting Top Normal Rear Derailleur (8 7 speed) Color options: Black, Silve Total capacity: 43T SMARTCAGE pulley plate (RD M310) CAGE LENGTH SGS Long TOTAL CAPACITY 43T MAX FRONT DIFFERENCE 20 CABLE ADJUSTER X COLOR BLACK MOUNT Direct attachment (conventional) NUMBER OF PULLEY TEETH 13 15 SERIES Altus GENERATION M310 MAX LOW SPROCKET 34