4-Pack 700x 18-32c TPU Inner Tubes with 45mm/65mm/85mm Presta Valves for Road Bike, ONLY 33g-85mm

Features

• Optimized Air Tightness: Our inner tubes boast enhanced air tightness with metal valves, offering superior reliability. Choose from 45mm/65mm and 85mm Presta valve lengths to suit your bike rim.
• Featherweight and Durable: Crafted using advanced Thermoplastic Polyurethane (TPU) technology, these tubes weigh a mere 33g, striking the perfect balance between durability and lightweight design.
• Versatile Compatibility: Engineered for both disc and rim brake systems, these bicycle inner tubes cater to a diverse range of road vehicles. They excel in challenging racing and riding conditions.
• Cost-Effective for Road Cyclists: Our innovative tubes deliver exceptional puncture resistance, ensuring heightened safety. They ward off sudden flats and maintain stable performance, even at lower tire pressures.
• Proper Inflation Guidelines: To prevent irreversible damage, refrain from overinflating the inner tube when not installed in the tire. During installation, initiate with an initial inflation of 0.5 PSI to ensure a snug fit against the tire's inner wall.