5150bmx Mid Bottom Bracket (Raw)

Built for modern cranks and heavy sessions. The Mid BB kit includes precision sealed bearings in your choice of 19 mm or 22 mm to match your spindle, plus machined aluminum cone spacers, a 51 mm center tube spacer, and crank-alignment washers for a quiet, straight chainline. Install and forget... then go ride...

Features 

-Fits all BMX frames with Mid shells. 

-19 & 22 mm spindle options.

-Precision sealed bearings

-6061-T6 CNC cones + tube spacer (51mm width)

-Alignment spacers for perfect chainline and crank clearance.