Need extra range on your Shimano 11-speed drivetrain? This combo set provides extra climbing range, smooth shifts and eliminates large tooth count gaps.
- Compatible with Shimano 11-40 and 11-42 11-speed cassettes
- Not compatible with 10-speed cassettes
- Includes 45T cog, 18T cog and spacer
This product was added to our catalog on April 25, 2018