Anodized Aluminum tubes with Stainless Steel hardwareSturdy design attaches to headtube and seat tube OR rear rack.Quick release design makes loading and unloading of boards an easy taskDesigned to be easily removed and re-attached for bike use without a surfboardWill not work with older style cantilever brakes with brake line on the headtubeFoam padding on the tubes prevent damage to your boardMaximum board weight 25lbsLongboard CarrierBolt-onBlackBoards up to 12ftUPC/EAN/GTIN: 860007940200