A Vittoria bicycle tube is predominantly made of Butyl rubber. Butyl is a very elastic and airtight synthetic rubber. This high elasticity Vittoria tubes allows a wide range of different tire sizes to be covered.

Auto fix are sealant filled Lite tubes for your everyday ride, commuting, training, or racing. This inner tube is made with high-quality Butyl rubber with a wall thickness of 0.9mm and filled with a specific sealant to seal punctures within seconds. The sealant also improve the air retention. 

• Butyl tubes filled with sealant
• It seals punctures within seconds
• Sealant improves air retention
• Removable Core