The Halfords Presta Bike Inner Tube (700c x 20c–28c) is a reliable replacement for worn or damaged tubes, keeping your bike tyres road-ready. Designed for 700c wheels with a 40mm Presta valve, this Halfords inner tube ensures smooth rides and fast puncture recovery. Compatible with a wide range of bike tyres, it’s lightweight, durable, and easy to install. Buy your bike inner tubes and bike tyres at Halfords, the UK's largest bike accessories retailer.