Enduro Bearings ABEC5 61803 SRS BearingThis rock-solid bearing is engineered to provide superior performance and value which is unrivalled in comparison to standard off-the-shelf bearings. Developed especially for cycling, this high-quality model uses two rubber NBR SRS 70 seals with an axial face seal and a large contact surface area for very smooth rotations. Thanks to its Kyodo Yushi PS-2 grease, this component benefits from high-speed properties and minimum rolling resistance.Features: Material: Steel Bearing Code: 6803 Dimensions: 17x26x5mm ABEC: 5 Grade: 5 Seals: SRS Grease: Kyodo Yushi PS-2 Application: Hubs, bottom bracketsWeight: 7.16g (approx)Buy Enduro Bearings Components from Chain Reaction Cycles, the World's Largest Online Bike Store.