Information

Product Details

With all the different bottom bracket styles, frame manufacturers, and component makers out there you’re bound to run into situations where cup spacers may be needed to make your particular frame/crank/bottom bracket combination fit correctly together.  We offer two types: one for BSA style cups and one for T47 style cups.

Specs

• Sold individually
• Black anodized 6061-T6 aluminum, laser engraved
• BSA cup spacers:
  • 35mm ID x 38mm OD x 2.5mm wide
  • Spacers go between cup and frame
  • Compatible with all external BSA cups

• T47 cup spacers:
  • 47mm ID x 51mm OD x 2.5mm wide
  • Spacers go between cup and frame
  • Compatible with all T47 cups (internal and external)

Technical Documents

• MARG30 Crank and Bottom Bracket Compatibility Chart
• Chris King Bottom Bracket Spacer Chart
• MARG30 Crank Assembly