This crankset works with Shimano® narrow HG 9-speed chains and comes with the SM-BB52 bottom bracket.
- Crank arms are aluminum with a painted finish
- Crank ankle is steel with a plated finish
- Outer ring is aluminum with an anodized finish
- Middle and inner rings are steel with a painted finish
- Inner and outer ring fixing bolts are stainless steel
- Chain ring combination is 48-36-26T
- Chain case compatible
- 170mm or 175mm crank arms