45NRTH Kahva Tire - 27.5 x 2.1 Clincher Wire BLK 33 TPI 240 Carbide Steel StudsFrom light winter trail riding to commuting the Kahva allows you to carve your way through winter with concave carbide studs as well as single double and triple siped lugs. Siping on center and side lugs lets the Kahva conform to terrain for increased grip in any riding conditions Concave carbide studs provide traction in the iciest conditions Directional lugs provide low rolling resistance while offering excellent braking traction TPI 33 Color Black