Sram Red GXP Ceramic Bottom Bracket
Sram BB GXP BlackBox Cups w Ceramic English MTB/Road
Product description Sram BB GXP BlackBox Cups w Ceramic English MTB & Road 73/68
Gutter Seal Technology drastically improves sealing against the elements while reducing seal drag. We’ve designed a fresh cup forging for a high-end look.
- Gutter Seal Technology
- Improved tool engagement
- Sealed cartridge bearings
GXP®: GXP’s Gutter Seal design cuts friction and weight—improving both feel and performance.
Includes Ceramic grease.