Schwalbe Durano Plus Tire - 700 x 28, Clincher, Wire, Black/Reflective, Performance, Addix, SmartGuardDurano Plus with a new dynamic profile. The SmartGuard belt is not as deep as the Marathon Pluss, it offers though a unique level of protection for racing tires. The most puncture resistant road bike tire, there is. Product Specifics Color: Black Reflective Defined Color: Black Flat Protection: Tread ISO Diameter: 622 Road 29" ISO Width (mm): 28 Labeled Size: 700 x 28 Tire Bead: Wire Tire Diameter: 700c Tire Intended Use: Road Tire Type: Clincher