[SIZE]: Bicycle tyre size 700x25c. PSI:90-100. Suitable for Road Bike , City Bike Tire[Qualified Materials] : Made of high-quality rubber, improves comfort and stability. Good characteristics for toughness, puncture protection and wear-resistance.[Special Pattern]: The unique pattern are suitable for road bike, it offers a practical sense of low rolling resistance and high traction. You will enjoy riding at ease.[Easy to Install]: Easy and quick installation. Save space, easy to carry and store.[Practical]: Good choice for replacing old bike tire for city travel,commuter daily working, urban enviorment.The bike tire is 60 TPI, made of high-quality nylon and rubber material, more strength,elastic and softer,better performance on shock absorption. Thus it greatly improves comfort and stability. Good characteristics for toughness, puncture protection and wear-resistance.