Enduro Replacement Bicycle Bottom Bracket Bearings

3 Silicon Nitride balls Hardened races Reinforced polyamide cage and non-contact seals Hand built in Denmark High resistance to poor lubrication Specifications: I.D.: 15mm O.D.: 24mm Thickness: 5mm This product was added ...

3 Silicon Nitride balls Hardened races Reinforced polyamide cage and non-contact seals Hand built in Denmark High resistance to poor lubrication Specifications: I.D.: 17mm O.D.: 26mm Thickness: 5mm This product was added ...

USA Grade 3 ceramic (Silicon Nitride: Si3N4) balls with Magnetite rust proof finish Cryogenically treated 52100 chromium steel races Silicone VV seals Specs:Bearing:6801ID X OD X W Mm:12x21x5 This product was added ...

CNC-machined alloy cups, dual-labyrinth bearing covers and precision sealed bearings. They are the perfect match to Promax CF-2 and HF-2 cranks and ultimate upgrade to the budget bottom brackets sold with most ...