Continental Ultra Sport III Folding Road TyreWhether you're clocking up the miles with your local club or exploring new routes on your own, this road bike tyre is engineered for maximum performance. It features Continental's PureGrip compound, which is based on activated silica compounds to give you performance-level results. Delivering brilliant grip as well as cross-country properties, this tyre is the ideal all-rounders for riders who want an upgrade that's designed for going the extra mile.Continental Advanced PureGrip CompoundBased on activated silica compounds, this technology was originally intended as a performance level compound, but after intensive development at our Korbach Research and Development Department Facility, an advanced new compound with outstanding grip and cross-country properties was developed. This new rubber mix, given the self-explanatory name “PureGrip”, is ranked just behind our BlackChili Compound and is being used in our performance products both in the road and mountain bike sectors. Whilst providing great grip, it is also long-lasting and highly durable - both characteristics of Continental tires, which are exclusively manufactured in the factory in Hefei (Asia).Features: Compound: PureGrip compound Tread: Dynamic Bead: Folding Use: Race, City and Road bikes ECE: E25 Great long-lasting grip Highly durable Pressure: 7.50-8.50 bar (23mm); 6.50-8.50 bar (25mm) and 5.50-8.00 bar (28mm) Wheel Size: 700c Weight: 320g (23mm); 350g (25mm) and 420g (28mm)Buy Continental Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.