• Presta Valve The heavy duty reinforced rubber base and extremely robust 48mm FV Valve prevents shearing off while cycling
• User Friendly Innertubes System - The bike tubes are specially designed to fit all types of road and cyclocross bicycles
• Puncture Resistant - Thorn resistant specialized tubes have been tested to ensure highly resistance to punctures
• Tire Lever Pro Tool Kit - Quick and Easy Installation, pry and close ties in with little to no effort, reducing the inner tube installation time by as much as 50%
• Solid Thick Butyl Rubber - Excellent resistance to ozone cracking, weathering, or aging