Product Details: Made of high quality butyl rubber, which is recycling. Seamless construction eliminates weak points. Mold-cured and vulcanized for uniform roundness and improved reliability at the valve stem insertion. Fully threaded valve for easy pumping, air leakage elimination. High air pressure retention. Strict QC checked quality. Good value, hard wearing, durable and easily transportable tubes--reliable partner for cycling.
Choose the right size, valve type and valve length: Please be aware of the tire size (ISO and metric tire size embossed onto the tire sidewall), and both of the type and length of the valve.
Specification: 1. Tire size: 700c (ISO 622) road bike tire, 25-28mm in width 2. Tube size: 700x25-28C 3. Material: butyl rubber 4. Valve type: fully threaded presta valve with copper stem 5. Valve length: standard 32mm / 48mm / 60mm 6. Valve core: fixed 7. Tube thickness: 1.1mm 8. Color: black tube with black or green valve cap 9. Net weight: 175g / 1pc pack, (approx) 10. Shipping weight: 200g / 1pc pack, (approx) 11. Package: 1pc / box;