Noua, nefolosita, la cutie. The Bontrager XXX Latex Road Inner Tube 700 x 19/23 Presta 48mm is great for any cyclist who wants the convenience of clinchers yet seek the supple feel of a tubular. The latex material reduces rolling resistance while its elasticity improves resistance to punctures and pinch flats. There is also a weight saving when compared to standard butyl tubes. Features Lightweight and low rolling resistance Supple ride and great feel Add talc or baby powder to the inside of your tyres for an even better ride Removable valve core Size: 700 x 19-23C Valve Length: 48mm Valve Type: Presta Weight: 70g