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
- Inner Tubes
- schwalbe av7xxl 20 x 4.00" schrader valve tube
- Free Local Delivery is available for all new bike purchases.
- Nationwide Delivery is available for all parts, accessories and clothing.
- For details on Returns, please see our Delivery & Returns policies here.