The Alienation Featherweight Tube is made from an advanced TPU material that is designed for better air retention and reliability when compared to a traditional Butyl rubber tube. Super light and super reliable...everything you need.

• 20” x 1.75 - 2.5
• Retains air 100% better than butyl rubber
• 40mm Schrader Valve
• Alienation's Schrader Valve has superior reliability
• Solid puncture resistance
• Weight: 2.4oz/67g