SRAM GXP BOTTOM BRACKETS 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. A new standard in external bearing performance. SPECIFICATIONS Crank Bottom Bracket Interface GXP Bottom Bracket Frame Interface English / BSA Type (Bearings) Standard Spindle Diameter 24mm Material (Cups) Aluminium Weight 108g FEATURES Gutter Seal Technology™ drastically improves sealing against the elements GXP's Gutter Seal design reduces friction Improved tool engagement Sealed cartridge bearings English or Italian threads ISO 4210 compliant. See Declaration of Conformity for details. SRAM.com