Shop › 700 road bike tube Presta valve Image 1 of 1 700 road bike tube Presta valve £4.00 Fits 700x20 to 700x28 40mm valve. Great for road bikes Quantity: Purchase Added! Fits 700x20 to 700x28 40mm valve. Great for road bikes Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More