Designed to be a proper BB for installing SRAM GXP/ISIS2 cranks in either BB30 or PF30 mountain frames. This includes cranks from SRAM/TRUVATIV/QUARQ, and Oval Concepts. Our patent pending design keeps the cartridge bearings outboard of the frame right on SRAM spec for greater rigidity and free of frame/c-clip tolerance issues that other systems deal with.
Simply press in the longer non-drive-cup, then the shorter drive cup threads into it. As the drive cup threads in, our trademark Collet system expands to a precise limit evenly dispersing pressure for a super tight fit. With both cups connected and our collet set exactly to spec, there is no chance the bearings can come out of alignment or wiggle/walk out of the frame. This design also uses a compressible o-ring on the non-drive side cup to compensate for frame shell width discrepancies.
SRAM BB30/PF30 conversion bottom bracket
Forged & machined heat-treated 7075 T6 Aluminum
Enduro 2437 Drive /2237ER Non-Drive steel bearings
For 73mm BB30 or PF30 mountain frames
Not for BBRight,BB386EVO, BB86, BB92 frames
SRAM: GXP SRAM/Truvativ/Quarq/ISIS2 steel spindle, and also Oval Concepts 400/500/700series cranks
Made with Enduro bearings and high grade grease
Model: SRAM mountain
Press tool, and 2 Praxis M30 BB tools required for installation
Interface: 24/22mm stepped spindle
Shell: BB30/PF30 (includes sleeve for BB30 installation)