MCS V-brake Post Extender - 1.5 frame to 1-3/8" wheel BMX 36-hole 6061-T6 Aluminum CNC'ed hub

36-hole 6061-T6 Aluminum CNC'ed hub shell

or if you come down on the seat hard

It is an adjustable bottom bracket that allows you to adjust the spindle from side to side before locking into place to attain a more perfect chain line

you will need a quantity of 2 of this service

This set is 36-hole with 3/8" axles front and rear

MCS V-brake Post Extender - 1.5 frame to 1-3/8" wheel BMX 36-hole 6061-T6 Aluminum CNC'ed hubThe MCS Bicycles Brake Post Extenders enable you to move your brake posts up or down 16mm for better brake pad alignment. Just unthread your mounting posts, attach the extenders with the included hardware and thread the original posts back into the extender. This allows you rro use a 1 3 8" wheel in frame designed for 1. 5" wheels. These are made from aluminum and will work on most imported aluminum frames. They won't work on chromoly or steel bikes.