Continental Ultra Sport III 700c Wire Tire Earn Your Miles Riders logging serious training mileage need a tire that shows up every day and keeps rolling. The Ultra Sport III delivers that with Pure Grip compound, a silica-based rubber that sits just below Continental's Black Chili in the compound hierarchy. That means real grip on wet pavement and dry alike, paired with the durability to go the distance without burning through your budget. A dynamic tread pattern keeps rolling resistance low on pavement, and the wire bead holds things accessible for riders who want a reliable clincher they can swap at the side of the road without drama. Features Pure Grip compound silica-based formula delivers confident grip in wet and dry road conditions with lasting wear life 3/180 TPI casing robust construction balances ride quality and durability for high-mileage training Wire bead traditional clincher setup for straightforward installation and roadside serviceability Dynamic tread pattern low rolling resistance on pavement across all available widths E-Bike rated construction handles the additional drive forces from motor-assisted riding Available in 23mm, 25mm, 28mm, and 32mm widths fits a range of road, training, and commuting setups Specifications Size700c Width(s)23mm, 25mm, 28mm, 32mm Compound Pure Grip Protection TPI3/180Bead Wire Type Clincher Tubeless Compatible No Conditions Pavement, all-season Weight320g (700x23c), 335g (700x25c), 365g (700x28c), 410g (700x32c)Intended Use Road, Commuting, E-Bike | Continental | Ultra Sport Iii 700C Wire Tire 700X28 Puregrip Performance E25 | Rubber