The ROTOR BSA30 steel bracket cups are designed for a bracket with a 30 mm axle on a BSA frame (with English threading).
You will have the advantage of the brand's know-how and the high quality steel bearings. You can also make the most of the precision and soft touch of the well-designed bracket case. The 7075 T6 aluminium body is protected by very effective silicone seals.
Axis Type : Thru-Axle
Axle Diameter : 30 mm
Bearing material : Steel
Bottom Bracket Type : BSC British (68 mm)