Application: Campagnolo Ultra-Torque, some FSA MegaExo Road BB's, Shimano HT2 Bottom Brackets for Mountain and Road (including internal BB91-41, internal BB91-42, external HT2 and road HT2) ID: 25 mm, OD: 37 mm, W: 6 mm Bearing materials: stainless steel cage and ceramic balls (Narrow version of 6805 Caged Bearing) Special Monocrome 6 Month Guarantee Learn More