Why Choose Schwalbe SV15 Inner Tubes?. 700 x 28c (28-622) – [28 x 1.10"]. ✔️Trusted Schwalbe Quality – Engineered forreliability, ensuring fewer flats and long-lasting performance. ✔️Presta Valve Options – Available in40mm, 50mm, or 60mm valve lengths to suit different rim depths.