- ✅ Air chamber 700x25/28/32 28\\\"
- ✅ Regina Valve (Italian)
- ✅ The inner tubes are made of butyl, a type of synthetic rubber that is highly elastic and at the same time airtight.
- ✅ Ecovelò inner tubes have extreme characteristics in terms of airtightness and elasticity and can be used for a wide range of tire sizes.