Premium handcrafted bonded, rugged Gravel/CX tire for professional use Bonded tread based on natural rubber Smart Plus = low rolling resistance and excellent adhesion Super PolyCorazza Armor sidewall material provides superior performance, comfort and durability in the field Use with grooved rims only - Hooked PPS Ganzo + 2 x PPS puncture protection 260 TPI 1.7-3 BAR 470 g requires latex-free sealant