ORIGINAL RARE RALEIGH AERO PRO BLACK DIA COMP REAR MX900 CALILPER DATED 02/84 IN FANTASTIC RIDER CONDITION SHOULD POLISH UP LOVELY PLEASE SEE THE VERY DETAILED PICTURES JUST ADD TO YOUR ORIGINAL SURVIVOR BUILD ORIGINAL BMX PARTS ARE BECOMING INCREASINGLY IMPOSSIBLE TO FIND THANKS FOR LOOKING WHAT YOU SEE IN THE PICTURE IS WHAT YOU WILL RECEIVE THANKS AGAIN STAY SAFE