Grand Prix Attack/Force IIContinental and Pro Tour teams have worked together to produce this new tyre concept.At the front, the 22mm narrow Attack Comp does its work and provides improved aerodynamics as well as high agility through faster trainsitions into corners.At the rear, the Force Comp power machine at 24mm provids a large contact area that gurantees a better power transmission as well as low rolling resistance.Key features: Higher service mileage and comfort. BlackChili Compound and Vectran Breaker anti puncture technology. Handmade in Germany. Constructed from 3 ply, totalling 180 tpi. Front Attack Comp 22mm weighs 240 grams. Rear Force Comp 24mm weighs 260 grams.TechnologyVectran breaker belt: fibre spun from liquid crystal polymer, this lightweight durable compound is stronger then steel and provides excellent protection from punctures and tears.Black Chili compound provides less rolling resistance, lasts longer and grips better then other compounds.Size:Front 700 x 22cRear 700 x 24c