The Eagle F1 SuperSport R is our fastest Road Ultra High-Performance tire. Optimizing low rolling resistance with reduced weight, the Eagle F1 SuperSport R is the go-to race day tire for Road, Time-Trial, and Triathlon competition.Who rides this tire.The serious athlete who demands outright speed, low weight and reduced Crr above all else.Where does this tire perform best.The Eagle F1 SuperSport R is the ultimate weapon for race day performance, time trial, and triathlon competition.Options.Construction: Tube Type or Tubeless Complete™When Every Split Second CountsWhether against the clock, facing down the competition, or achieving your personal goals, on race day only one thing matters: doing your absolute best. We set out to create a tire that maximizes your performance with no compromise. Minimal rolling resistance; paired with ultra-low rotating mass results in the no compromise race weapon.Speed, Above All ElseThe Eagle F1 SuperSport R, above all else optimises outright speed for no compromise performance.Featuring next generation technology: Ultra supple & lightweight 150TPI casing, short-ply construction, thinner tread cap, slick tread, all contributing to an improved system performance with a reduced CRR of 36.1%.*Improved Rolling ResistanceUp to 36% reductions in rolling resistance across a wide range of pressures.*Lower Weight:235g for a 25mm tire, making it one of the lightesttubeless tires on the market.Construction - Tube TypeA clincher tire that is only functional with an inner tube to maintain inflation pressure as defined by ISO 4223-1.The historically standard bicycle tire relies on the use of an inner tube to maintain inflation pressure. The inner tube serves two purposes: maintaining inflation pressure along with providing physical pressure on the tire’s bead against the rim hook and sidewall to help keep it safely in place.CompoundDynamic:Ultra High-PerformanceA proprietary blend of synthetic and natural rubbers enhanced with Graphene and next generation amorphous spherical Silica; our all-new Dynamic:UHP compound has been developed with the single purpose of expanding the ‘Magic-Triangle’ with improved Rolling Efficiency, Traction and increased Durability.The combination of Graphene, Amorphous Round Silica allows us to independently improve:Rolling Efficiency +36.1%Grip Centre +14.0%Grip Edge +8%