Bezerk RC slipper eliminator for the XRAY XB4 4wd buggy. Allows you to run on-road spur gears for Stock racing, 17.5t etc. Will fit Kimbrough, RW, LEESpeed and other spur gears. Use two or three M3 countersunk screws depending on the spur gear used. Made from 2.5mm glossy carbon fibre.