SRAM/Tru Vativ Team GXP Bottom Bracket SRAM and Tru Vativ GXP cranks require this bottom bracket. This bottom bracket is a threaded, external cup unit and includes left and right bottom bracket bearing cup set for use on Giga X Pipe(GXP) cranks, such as SRAM X. 5, X. 7, X. 9, and X. 0, GX, X1, X01, XX1, SRAM Apex, Rival, Force or Red GXP type cranks. Works on both Road or MTB frames/cranks with 68/73mm English-Threaded BB shells Includes spacers that are only needed for installing a MTB crankset on 68mm bottom bracket shell; spacers are not needed for road cranks. Updated Gutter Seal improves sealing while reducing drag. Includes left and right cups, plastic center seal/space shell with o-rings and BB spacers English Threaded BB Weight: 118g | Sram | Truvativ Team Gxp Bottom Bracket | Grey | 68/73Mm, English 00. 6415. 045. 000