Wheels Mfg original BB86/92 bottom bracket is a significant upgrade to any OEM BB86 bottom bracket. Two machined aluminum cups offer increased durability and bearing life, while keeping a simple press together method for installation and maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. – Bearings: Enduro ABEC-3 – Color: Red – Bottom Bracket/Frame Interface: BB86, BB92 – Bottom Bracket Shell Width (mm): 86mm – 92mm – Bottom Bracket Shell I.D.: 41mm – Crank Spindle Type: GXP (SRAM, Truvativ, Etc.) – Crank Spindle Diameter: 22/24mm – Weight: 114g