DescriptionThe Diabolic 22mm Ultra-Lite Ti Crank Bolt is made from 100% ultra-lite titanium material. It weighs in at just 10 grams making it the lightest 22mm Crank Spindle Bolts in existence!Light Weight Hollow DesignOnly 10 Grams eachCompatible w/ all BMX Park & Street 22mm CranksM15 X 1.0Sold Individually or in a PairFits most 22mm spindlesDoes not fit Colony Venator Spindle23mm Head Size – Please Verify Crank Compatibility