Grip Studs - 
bicycle tire studs are up to the task of managing even the iciest terrain. This capable tire stud with its solid tungsten carbide shaft prevents spinning out on ice and snow all season long. Its unique wide-auger design installs easily with a cordless drill without tedious gluing or complicated techniques, and it stays put like no other screw-in stud. Grip Studs™ shallow auger depths work in most off road tires and are easily removed at season’s end if desired.
Check out more details here at: gripstuds.com
