Barbieri Presta 40 mm valves squared base - Sprocket & Gear

Barbieri Presta 40 mm valves squared base

Regular price£8.99

🚚 FREE Standard UK Shipping on this item

Pair of quality Barbieri PNK tubeless valves (2) are ideal for converting to a tubeless set up;

Valve length: 40 mm

Base: Squared 12 x 8mm

Color: Polished Silver / Black plastic valve cap

Removable valve core allows for easy tyre sealant filling

12 x 8 mm rubber base makes an air-tight seal by screwing the valve ring, compressing the rubber firmly against the rim.

Squared base suitable for deeper/narrower rims where a circular base won't fit.

Fits most tubeless ready bicycle rims.

We ship fast! Our stock levels are updated live and most orders placed before 14:00hrs are shipped same-day (Monday to Friday).

Each product page will show estimated dispatch times.


  • Standard UK shipping is FREE*.
  • Express shipping options are available on checkout.
  • We also offer Click & Collect from our Warehouse Mon to Fri 9:00 to 5:00 so if you are near to us at RG10 9SH why not come over and collect it 👍🏻


  • Europe standard shipping is £3.99 with an Express option available.
  • We have had to disable shipping to the EU. We hope to be able to resume shipping to more EU destinations shortly.


  • We have had to suspend shipping outside of the UK. We hope to be able to resume shipping worldwide shortly.

We offer a no-quibble 30-days refund policy*. There's no need to contact us before returning your item(s). Simply send it back to the following address:

Sprocket and Gear (Returns), Kingfisher Works, Tag Lane, Hare Hatch, RG10 9SH, United Kingdom

Be sure to include your order number and reason for return. Sorry, but we can't cover, or contribute to, the cost of the return.

* To read our full returns/refund policy please click here.


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