The bionic forks are slick and slender but incredibly strong with a 4 step telescoped shaft giving strength in the areas that are needed most and losing material where it isntthey incorporate the unique nut trap design that only sacrifice product have which makes it simple to tighten the axle with just one toolintegrated crown racecan use up to 110mm wheels149mm shaft lengthintegrated 6mm thread for scs compression systemnotecompatible with sacrifice blender 110mm wheelsnot compatible with