Cranksets

SRAM's S600 3.0 Crankset features forged arms for increased strength and reliability paired with smooth shifting chainrings for the best combination of looks, performance and price.

Shimano Altus M311 cranksets provide durability and reliable shifting for triple chainring drivetrains. - Hyperdrive SG-X chainrings - 7/8-speed compatible - Spindle interface type: Square Taper JIS

- Forged steel - 24 TPI

This replacement left crank arm is made of forged aluminum and features standard offset, square spindle orientation.

Wheels Manufacturing 2.5mm Black Aluminum Bottom Bracket Spacers are for adjusting chainline or bearing play in English (BSA) or Italian threaded bottom brackets.