BB30 service kit for SRAM DUB cranks.- Includes (2) Enduro 6806/29 ABEC-3 sealed bearings and 2 retaining clips- Bearing Dimensions: OD: 42mm / ID: 29mm / Width: 7mm- Enduro ABEC-3 bearings- Use with SRAM DUB cranksNote: SRAM DUB cranksets are not designed to work in 68mm or 73mm wide shells with inboard bearings. Use only if your frame is a direct-fit bearing system, and the BB shell width is 86.5mm or wider.