- Converts BB30A shells (42mm ID- 73mm wide asymmetrical) to accept most 24mm or 24/22mm spindle cranks - Offered in 24mm (Shimano, FSA, Race Face, etc) or GXP 24/22mm (SRAM/Truvativ) for installation into BB30 frames without the need for adapters - Includes anodized aluminum cups with Enduro sealed bearings - Angular contact: Enduro ABEC 5 angular contact bearings - Base: Enduro ABEC 3 sealed bearings - 158-165g depending on model
