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
