The Shimano FC-M311 Square Taper 7 or 8 Speed Triple Chainset is designed with Hyperdrive technology to give a smooth, fast shift every time.
- Materials: Steel Chainrings, Aluminium Cranks arms
- Compatible with Square Taper BB
- Black
- Available in 48-38-28 and 42-32-22 ratios
*Subject to availability. Specifications subject to change without notice.