XXL Skewer adaptor set. Useful for fixing a trailer hitch on QR type hub where the bikeâÂÂs original skewer isnâÂÂt long enough or where the frame may have obstructive dropouts seat stays, chain stays, etc. Includes 8 spacer adapters, each 5 mm wide.Also useful for mounting carriers and mudguards on bicycles without mounting eyelets.Fits with most QR hubs from Over Locknut Dimension of 130mm+Clamp width: 137 - 177mmMaterial: 5mm Steel rod with Aluminium QR leverWidth: Overall length 210 mm