- Extremely airtight! The Butyl rubber compound prevents pressure loss and fewer occassions to inflate. Extremely reliable! Quality control for safer cycling: Each tube is checked twice at the factory to ensure safer cycling. Having the correct pressure means fewer punctures and reduced rolling resistance.
- 20 x 1.10" (28-406)20 x 1.25" (32-406)20 x 1.35" (35-406)20 x 1.40" (37-406)20 x 1.50" (40-406)