Specialized carbon frames with OSBB bottom brackets have 61mm wide shells You must use our Wheels Mfg. PF3.5-SPC spacer kit when running non-Specialized FACT cranks with our PF30 bottom brackets.
- Wheels Mfg PF3.5-SPC includes two 3.5mm spacers to convert 61mm shell to 68mm width. Install between Pressfit 30 cups and bottom bracket shell. Also includes five 0.7mm spacers to adjust the chainline on SRAM or Shimano Hollowtech II or compatible cranks.
- Note: the 0.7mm spacers are not used for Campagnolo crank installation