SRAM GXP 68/73mm English Threaded Bottom Bracket

The new GXP bearings feature Gutter Seal Technology drastically improving sealing against the elements while reducing seal drag. SRAM have designed a fresh cup forging for a high-end look. A new standard in external bearing performance. Suitable for 24mm spindles and a 51mm chainline. The box contains sealed cartridge bearings, threaded cups, center tube and 2.5mm spacers. Requires a 16 notch BB Installation tool. For best results, have your frame faced by a professional bicycle mechanic. MPN: 00.6415.045.000