The Mission spindle is a chromoly 8 spline 19mm spindle with 8x1mm spindle bolts. This spindle is perfect for converting 8 spline unsealed cranks to a sealed BB. If you are converting, don't foget you will need a new, sealed BB and a Sprocket Adapter

Splines: 8
Diameter: 19mm
Length: 5-7/8"
Weight: 11.4 oz