Bicycle tyre size 700x25c. PSI:90-100.City Bike Tire : Made of high-quality rubber, improves comfort and stability. Good characteristics for toughness, puncture protection and wear-resistance.Road Bike tire : 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 and quick installation. Save space, easy to carry and store.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. [SIZE]: bike tire size 700x25c. PSI:90-100.[Qualified Materials] : Made of high-quality rubber, improves comfort and stability. Good characteristics for toughness, puncture protection and wear-resistance.[S…