Shimano's Alfine FC-S501 crankset is lightweight and sleek, with increased stiffness for excellent power transfer. This 2-piece design uses the proven external bottom bracket system for great performance and durability.
- Built-in single sided chain guard.
- Bolt circle diameter is 130mm.
- BS thread bottom bracket included for 42.7 mm chain line.
|Weight||977g (39 Tooth)|
|Bottom bracket included||Yes|