SPI SPI DEFENDER HARDWELD RUNNERS, YAMAHA

7/16in. Carbon steel host bar, with a flat top to prevent bar roll during aggressive corneringCarbides are made of yg13 tungsten that provides the ultimate tensile strength for extreme durability and hardness to reduce chipping and increase longevityThe 90 degree angle of carbide into the pocket of our runners makes for very large cross sections compared to other designs1in. Carbide segments allow for flex in ski without compromising carbide adhesionEngineered and test fitted to precisely fit your ski for easy installChamfered ends to reduce catching when backing up and unloadingExtended studs to allow for ski skinsAll necessary fastening nyloc nuts includedAll carbides and wearbars are finished in black rust preventativeMany competitors use a design that is mounted very shallow in the host barOur diamond shaped carbides are set deeper into the host bar giving it more surface contact adhesion. This will make it less susceptible to side impact failure from rocks or gravelRUNNER STYLE: DefenderFeatures hardweld on contact area of host bar, giving it more depth to increase longevity. Less damaging to concrete and asphalt surfaces.