Pirelli sportube road inner tubesthe sportube road inner tubes are ideal for road racing, long-distance endurance riding and general road cycling.
Durable, lightweight and reliable, they also feature a dependable 48mm presta valve and are made from quality butyl rubber.
The sportube is the most classic cycling inner butyl tube range, the standard interpretation of the most used air retention system in the world.
Features: valve type: presta valve length: 48mm tube material: butyl weight: 120g (700 x 23c)buy pirelli wheels & tyres from chain reaction cycles, the worlds largest online bike store.