Converts 61mm wide Specialized Carbon OS bottom brackets for use with Pressfit 30 cups and 68mm standard cranks.
Compatible with Wheels MFG.
Install between Pressfit 30 cups and bottom bracket shell.
Includes 2 x 3.5 mm spacers(46mm ID)
Includes 4 x .5 mm spacers(24mm ID)
Includes 2 x 1.0 mm spacers(24mm ID)
Mashined engineering-grade Delrin. 7g/pr