Ultra-light inner tube for wider gravel bike tires or thin mountain bike tires, which is also more durable and rolls better than normal butyl tubes. Aerothan is a revolutionary thermoplastic material that, thanks to its durability and flexibility, allows the production of ultra-light inner tubes that are also more durable and roll better.

Features:

• Size: 37-50×622 (700c 37-50 mm)
• Valve: Presta, length 40 mm
• Material: Aerothan thermoplastic elastomer
• Weight: 61 g