The Halfords Schrader Bike Inner Tube fits most 700c x 35c-40c tyres, providing a reliable replacement for smooth and comfortable rides. This inner tube features a 35mm Schrader valve for easy inflation. Durable and easy to install, it ensures long-lasting performance and gets you back on the road quickly. Supplied as a single tube, it’s a simple, essential cycling spare. Buy your bike inner tubes at Halfords, the UK's largest bike accessories retailer.