Bottom Brackets

Expand your choice of cranks for use in frames with 41mm ID shells. Replace your bottom bracket with these dual-row flanged bearings and run 28/30mm spindle Praxis - Compatible cranks in your frame. These bearings fit directly in frames with 41mm ID bottom bracket shells. Crankset spindle length must be longer than 104mm when used in a 86.5mm wide BB shell. Complete kit for one frame Includes: (2) - Enduro BB86 to 30MM Dual-Row ABEC-3 Bearing (2) - 0.5mm crank spacer (2) - 1.0mm crank spacer (2) - 5.0mm crank spacer (2) - Dust seals (1) - 28mm spacer insert

PF30 Threaded bottom bracket features two machined aluminum cups that thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. Directly replaces all OEM PF30 bottom brackets. Note: Use only bottom bracket tools compatible with 16-notch, 48.5mm outer diameter cups. - Bearings: Enduro Angular Contact - Color: Black - Bottom Bracket/Frame Interface: PF30, Specialized Carbon OSBB, BBRight™ Press Fit - Bottom Bracket Shell Width (mm): 61mm to 79mm - Bottom Bracket Shell I.D.: 46mm - Crank Spindle Type: BB30 - Crank Spindle Diameter: 30mm - Weight: 114g