Shop › Schwalbe 700 road bike tube Presta valve Image 1 of 1 Schwalbe 700 road bike tube Presta valve £5.00 Fits 700x18 to 700x28. 50mm valve length Quantity: Purchase Added! Fits 700x18 to 700x28. 50mm valve length Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More