Machined engineering-grade Delrin inserts for adapting bottom brackets to a different type of crankset spindle.
- Converts 61mm wide Specialized Carbon OS bottom brackets for use with Pressfit 30 cups and 68mm standard cranks
- Compatible with Wheels Mfg. Pressfit 30 adaptors including Shimano, SRAM, and Campagnolo versions
- Includes 2 - 3.5mm spacers
- Includes 5 - .7mm spacers