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Threading: English or Italian
Weight: 128 g.
While other systems rely on side loading the bearings to eliminate play (which causes premature bearing wear), the SRAM GXP bottom bracket system is different. The GXP system positions the left side bearing between the spindle and the left crankarm, while allowing the drive-side bearing to float axially on the spindle, thereby eliminating the necessity to side-load bearings during adjustment. GXP's design allows greater variation in BB shell alignment, maintaining precision and performance regardless of thread and construction irregularities in the frame. Installation is simple: once it is tightened to the proper specifications you are ready to roll with a worry free bottom bracket employing two bicycle specific cartridge bearings and eight seals for a smooth and long lasting ride.