Pair (2pcs) of Tufo Comtura Duo 700 x 28 Tanwall + 48mm french/presta valve inner tubes (2) to suit. All weather performance road cycling tyres. Grooved shoulder for shedding water, debris and excellent road adhesion. Thick casing for long life and good puncture resistance. Long lasting tread compound. The Comtura Vectran features a special anti penetration textile inside the carcass of the tyre. This extremely light and flexible material gives significantly increased puncture resistance without compromise. A special tread compound with admixture of activated silica produces extremely low drag, supreme adhesive properties, and long durability. Intended for high performance applications and for use in universal conditions where it shows excellent adhesion on wet surfaces. This compound also shows very stable properties at lower temperatures for high performance in cold racing conditions. Vectran protects the entire carcass and bead against cuts and abrasion. Manufactured: Czech Republic, Europe. Amazing tires, definitely will be ordering another pair. Great tyres at a great price!