Inner Tubes

Expensive, fiddly but massively rewarding tyre-within-a-tyre system

Super-light 29er inner tube

Puncture protection, as long as you don't put a hole in the sidewall

Self-healing inner tubes are not a new idea, but they've tended to be on the weighty side and blow-outs used to mean a very sticky mess. But the Eclipse could solve all of that.