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Internal 30mm BB unit for 41mm press-fit frames. BB386 (road), BB392 (mtn) and 4130.
Application: BB86/BB92 frames with 41 mm press-fit shells (BB386EVO/BB392EVO/4130) Fits cranks with 30 mm diameter & 92 to 97 mm wide spindles
ID: 30 mm, OD: 41/44 mm, W: 11 mm
Stainless steel balls and races, silicone shields, aluminium spacer rings & nylon shims