Extreme air pressure stable! The rubber compound makes it possible: less air leakage and less to pump. Extremely reliable! Quality control for safe riding pleasure: each Schwalbe tube is checked twice for air retention in the factory.

• Extremely airtight!
• The Butyl rubber compound prevents pressure loss and fewer occasions 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.
• Valve type: Schrader
• Valve length: 35mm
• Wheel size: 20"
• Width: 1.5-2.5
• Supplied as 2 pack (2 tubes) without box