BB Cup Spacers For Specialized Carbon Frame

Part Number: PF3.5-SPC

$28.50 (MSRP)

Converts 61mm wide Specialized Carbon OS bottom brackets for use with Pressfit 30 cups and 68mm standard cranks. Compatible with Wheels Mfg. Pressfit 30 adapters including Shimano, SRAM, and Campagnolo versions.

Install between Pressfit 30 cups and bottom bracket shell.

  • Includes 2 - 3.5mm spacers (46mm ID)
  • Includes 4 - .5mm spacers (24mm ID)
  • Includes 2 - 1.0mm spacers (24mm ID)

Machined engineering-grade Delrin. 7g/pr


Precision Machined

BB Cup Spacers For Specialized Carbon Frame

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If the bearing cups are already in the frame, remove them by tapping out from the inside with a large wooden dowel or flat-ended punch. Be careful to push on the bearing cups and not the bearings themselves. Once the cups are removed, simply install a 3.5mm spacer on each side between the bottom bracket cups and bottom bracket shell, then press the cups into the BB and install the cranks.

We recommend using a SRAM press fit bottom bracket instead of the standard Specialized BB to ensure correct chainline.

In some cases, it might be necessary to use one or more of the included Wheels Mfg. CRANK-SPC spacers to adjust the chainline.