Bontrager 700x35-44c PV48 Standard Presta Valve Bicycle Tube | Christy Sports
Bontrager 700x35-44c PV48 Standard Presta Valve Bicycle Tube | Christy Sports, Premium-quality Bontrager Standard butyl rubber tubes feature a 0.9mm wall thickness for the perfect balance of weight savings and durability. Bontrager 700x35-44c PV48 Standard Presta Valve Bicycle Tube | Christy Sports