Description Vittoria Standard Butyl Inner Tube’s are high quality, butyl rubber with a wall thickness of 0.9mm giving good puncture resistance & air-retention. The classic tube for all applications When you ride daily, reliability means everything, and no inner tube handles the grind like butyl. It retains air across multiple days and its more rugged qualities mean it can be tossed around in a jersey pocket or saddlebag and installed on the side of the road or trail when needed. High air retention, easy mounting, reliable puncture resistance, and a 0.9mm tube wall – butyl inner tubes define the reliable convenience of clinchers. Vittoria Standard Butyl Inner Tube Specs Size Valve Weight 700 x 20/28c Presta (FV) 48mm RVC 116 g 700 x 20/28c Presta (FV) 60mm RVC 117 g 700 x 20/28c Presta (FV) 80mm 119 g 700 x 28/42c Presta (FV) 48mm RVC 163 g 700 x 40/52c Presta (FV) 48mm RVC 210 g Note: RVC = Removeable Valve Core