DescriptionThe Diabolic 19mm Ultra-Lite Titanium Crank Bolt is made from 100% ultra-lite titanium material. They weigh in at just 14 grams making them the lightest 19mm Crank Spindle Bolts in existence! *Be sure to check your spindles’ bolt size before ordering*Light Weight Hollow DesignOnly 12 GramsCompatible w/ all BMX Park & Street 19mm CranksM10 X 1.0 & M12 X 1.25 (GDH PROFILE)Sold in Pairs