Mountain Sram | Bottom Brackets

One oversized spindle to work across every bottom bracket standard Gutter Seal Technology drastically improves sealing against the elements Significantly lighter than GXP system Sealed cartridge bearings 

One oversized spindle to work across every bottom bracket standard. - Significantly lighter than PFGXP system - Easier installation by allowing you to press the bearing cups into the frame - Two fully sealed cartridge bearings