Thread Bottom Bracket (BSA),with ceramic bearing, fit Shimano HTⅡ MTB

Shell dimension: 34.8mm (1.37"), Shell length: 68/73mm, Spindle dimension: 24mm, Ceramic bearing, compatible with shimano HTII MTB

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PRGcycle ceramic external bottom bracket, lighweight CNC machined alloy cups with replaceable bearings. Ceramic bearings offer the highest standard of performance, Compatibility options include Shimano Hollowtech II


●Shell dimension: 34.8mm (1.37")
●Shell length: 68 / 73mm
●Spindle dimension: 24mm
●Bearing: Ceramic bearing
●Compatible system: Shimano HTⅡ MTB
●Weight: 95g
●Color: Black
●Package: 1 SET / PRG box