SORA components deliver the performance and look of Shimano® premier lines, without the financial heft.
- Crank arms are painted aluminum, top gear is anodized aluminum.
- Middle and low gears are painted steel.
- Chain ring bolt is SUS.
- Recommended for use with Shimano Super Narrow HG 9-speed chains and Shimano Hollowtech II bottom brackets.
- Chain ring combination 50-39-30T.
- Chain line is 45mm.
|Bottom bracket included||No|