Truvativ GXP Bottom Brackets

Truvativ GXP outboard bearing bottom brackets suit Truvativ cranksets only and are not interchangeable with Shimano and RaceFace.

Truvativ GXP Team Bottom Bracket English

2879
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These SRAM BB cups have an internal diameter of 24mm on the drive side and 22.2mm on the non drive side. They suit SRAM and Truvativ 2-piece cranks with a stepped spindle only. (24mm thick until the step down to the ISIS spline).
To install the cups you'll need to use the Truvativ GXP Tool. Shimano's TL-FC33 should technically be able to do the job but the splines on this bottom bracket are shallow and set back from the edge so the Shimano tool doesn't engage the splines well enough to reliably avoid slippage and damage to the cups.. Weight: 127g.