High Elasticity & Durable Material:700c 28" 700x25-32c Bike Inner Tubes made from high-quality butyl rubber material. Features excellent tear resistance, aging resistance, and heat resistance. Strong elasticity and flexibility absorb shocks and bumps when riding on gravel roads, providing you with a comfortable riding experience.
Wide Compatibility:Features excellent elasticity fits tire sizes:700x25c,700x28c,700x32c tiresCompatible with mountain bikes, road bikes, and general bicycles.
High Airtightness Schrader Valve: Equipped with a high-retention valve core that ensures excellent air tightness, preventing leaks and eliminating the need for frequent pumping during long rides. The extended Schrader valve measures 2.24 inches (5.7cm), designed to fit a variety of rim depths.
Practical Accessories Tire Levers: Smooth and sturdy, can also be used to deflate the inner tube.Valve Caps: Prevent dust from entering, maintaining high airtightness.4-in-1 Wrench: Allows you to replace the valve core and clean sand and debris from the valve.
Precautions Before Installing the Inner Tube :After receiving the inner tube, inflate it slightly and submerge it in water to check for any bubbles.Before installation, inspect the inner surface of the tire for any sand or debris. When inflating, ensure the inner tube is not pinched by the tire, as this may cause a sudden puncture.