BY FAR the best bumper bolt setup AVAILABLE GUARANTEED! The FTP "Floating" bumper bolt kit allows the rear bumper mount to float and not bind on the hardware, 10mm diameter bolt, secures nice and tight in the frame. No need for additional backup mounts, cables, etc. or the need to run the mounts sloppy loose to free up the kart. No special tools needed. Fits most karts, CRG, OTK, Tony, Kosmic, Intrepid, Praga, OK1, etc. Available in 28, 30 or 32mm (Outer Diameter measurement). REPLACEMENT BOLTS HERE. Sold Individually.