45NRTH Gravdal Studded Tire 851-335

This here tire is going help in preventing you winter commuters from going all Daniel Stern from Home Alone on icey surfaces.  45NRTH gave these puppies siped tread lugs and oval-shaped clusters of studs to keep upright when changing direction or speed.  If you lower the pressure to the minimum you get maximum gription.  Otherwise, pump 'em all the way up for a smoother/quieter ride when ice isn't as big of a concern.  They make 'em in 26" and 700c/29".  Pick your size, then decide to go with 33tpi, steel carbide studs and a wire bead or upgrade to the folding version in 120tpi with aluminium carbide concave studs.  Keep the change ya' filthy animal.