

Pirelli Cinturato SmarTUBE X
The Pirelli Cinturato SmarTUBE X is a thermoplastic polyurethane inner tube for 700C gravel and all-road tires that is around 70% lighter and half the packed size of a conventional butyl tube, with a 3x thicker wall than the standard SmarTUBE. It suits gravel riders on disc-brake bikes who want a lighter ride or a compact spare that disappears in a jersey pocket.
- 70% weight savings compared to conventional tubes
- 50% smaller than conventional tubes
- 3x thicker than standard SmarTUBES
- Not for use with rim brakes
- Not designed to be repaired
- Constructed of Thermoplastic Polyurethane
Pairs well with

Pirelli Cinturato SmarTUBE X
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