Continental Competition Tubular Road Bike Tyre The Grand Master. It is the most dependable tyre in the pro peloton. It has proven itself time and time again on the world stage often accompanying prominent cyclists to their victory. The Competition was the first tyre in the Continental range to be equipped with BlackChili Compound and Vectran™ Breaker. Specifications: ETRTOSizeWeightBeadTechnologyPSI - Rec. InflationPSI - Max InflationPly/TPI28"x22mm 28"x1" 260g n/a BlackChili, VectranBreaker, Tubular 115 170 3/180 Buy Continental Wheels & Tyres from Chain Reaction Cycles, the World’s Largest Online Bike Store.