Snow Stud.
The perfect bicycle winter tire!
The spikes are not on the tread centre, but are arranged along side it in the area of greatest contact pressure. This makes the tire easy to ride when properly inflated for normal road conditions. By lowering the inflation pressure the tire gains optimum grip on icy roads.

Reflex Sidewall.
Kevlar Anti-puncture belt.
Wire Bead. (50 Tpi)
30-70 Psi
700x38c (830g)