HYPERDRIVE--Shimano's front shifting system is based on the HyperDrive concept. The front derailleur, HG chain and SG-X chainrings all work together to make the front shifting action more reliable, more precise and faster.
- Crankset (3x9-speed)
- 2-piece Crankset
- 48-36-26t
- HYPERDRIVE SG-X chainrings
- Use w/SM-BB52 bottom bracket not included