Continental Tour Standard 40 Mm Inner Tube. With our 'ContiTube' program, you can find the inner tube most suited to your needs – quickly and directly. Depending on your tyre dimensions and purpose, we have different sizes, types, valve types and widths to offer you.By fitting different types of tubes you can actively influence the handling characteristics of your bike with little effort. Different wall thicknesses and the associated characteristics make this possible. All tube types listed are made of a high quality butyl mixture.All:- Available in all the usual dimensions- The all-rounder for day to day demands Light and Supersonic- Perceptible optimization of weight and rolling resistance- Enhanced risk of puncturing because of thinner walls [up to 0.45 mm] ! NB: Light tubes generally require more frequent reinflatingHermetic-Plus:- The allround carefree product - Through an improved compound, a more compact, lighter version- Enhanced butyl content and greater wall thickness improves puncture protection and air retention- Designed for the most comprehensive puncture protection – a favourite of bike rental outletsFreeride und Downhill:- Extra strong and added volume- Effectively protects against punctures with thicker wallsSpecifications:- Dimension: 26 x 1 3/8 > 26 x 1.75- Weight: 165 - ETRTO: 37-559 > 47-590. tradeinn Bikeinn