2 INNER TUBES 700 x 19 / 23C PRESTA VALVE adult bike Road bike bicycle road bike fixed bike | ECA28FSD

• ✅ Inner tubes 700 x 19 / 23C (28 x 3/4 and 28 x 7/8) (2 PIECES)
• ✅ Presta valve (French)
• ✅ The inner tubes are made of butyl, which is very elastic and at the same time airtight.
• ✅ Ecovelò inner tubes have extreme air tightness and elasticity characteristics and can be used for a wide range of tyre sizes.
• ✅ For any information or clarification, prior to purchase, or for post-shipment issues (delayed delivery, defects or posthumous damage, etc.) please contact Seller Customer Service with a message to the seller on Amazon.

The 700 x 19 / 23C (28 x 3/4 and 28 x 7/8) tubes with 60mm Presta valve are ideal for racing, road and fixed. The air chambers are puncture-proof, made of butyl, a type of synthetic rubber very elastic and at the same time airtight. Depending on the compounds used, you can have different product qualities: the inner tubes have extreme characteristics in terms of air tightness and elasticity and can be used for a wide range of tire sizes.