The compressing ring inside can constrict and reduce the gap between bearings and axle due to loose fit structure. It can further prevent the situation of getting loose or having noise. Furthermore, the angular contact thrust bearings are with 25° pressure angle which can prevent the bearings from displacing which results from the tightening force of assembly.
• For BB Shell I.D. 46mm & Width 86mm
• Alloy Adapters
• W/Angular Contact Thrust Bearings
• Shimano Compatible-24mm Axle