The SRAM Alloy GXP Bottom Bracket features advanced Gutter Seal technology that drastically improves sealing against the elements while reducing seal drag. SRAM has designed a fresh new cup forging for a new, clean look. The SRAM Alloy GXP Bottom Bracket brings a new standard in external bearing performance as the custom steel bearings, sealed cartridge bearings, and tungsten finish offer a high-end, reliable bottom bracket.
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