Truvativ M12 Capless Steel Crank Bolts Review Posted by GiantPandaisy June 3, 2018 in Drivetrain Components This fits your . Make sure this fits by entering your model number. TruVativ Crank Arm Fixing Bolts TruVativ Crank Arm Fixing Bolts Cycling Outdoor Recreation Parts & Components Sports & Outdoors Truvativ