Non-Thread Bottom Bracket (Twist Fit), with steel bearing

Shell dimension: 41mm , Shell length: 86mm (road) 92mm (MTB), Spindle dimension: 24mm, Steel bearing, compatible with shimano HTII

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


●Shell dimension: 41mm 

●Shell length: 86mm (road), 92mm (MTB)

●Spindle dimension: 24mm

●Bearing: Steel bearing

●Compatible system: Shimano HTⅡ 

●Color: Black

●Package: 1 SET / PRG box