Two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame Directly replaces all OEM BB86/92 bottom brackets Overall width is still the same as all other BB86 bottom brackets Improves bearing life and remedies creaking Abec-5 angular contact bearings 86/92mm BB86 Sram GXP 24/22mm Alloy BlackUPC/EAN/GTIN: 811079021960