The Air-Liner Protect E-Bike insert epitomizes superior design and cutting-edge materials delivering the ultimate in tyre support for electric mountain bikers. Engineered to endure the significant impacts and stresses associated with e-bike use this insert ensures that cyclists can ride with confidence no matter the obstacles they might face. The Air-Liner Protect E-Bike insert is designed for simplicity and effectiveness. It's lightweight 140g for 27.5" and 145g for 29" easy to install and compatible with a wide range of e-bike tyre sizes. Its innovative structure maintains optimal tyre pressure and enhances overall ride quality allowing cyclists to enjoy their journeys without the constant worry of tyre issues. The Air-Liner Protect E-Bike is available in 29” and 27.5” wheel sizes each compatible with 2.4” – 2.6” tyre widths. The insert must be used in combination with tubeless tyres and multiway tubeless valves only. The packaging of Air-Liner Protect Trail contains one insert and one Vittoria Green Multiway Tubeless valve 40mm long. Run-flat support: Vittoria’s Air-Liner Protect E-Bike insert is your perfect companion for the unpredictable adventures of electric mountain biking. Offering stellar run-flat support it guarantees that whatever happens on your ride you will make it home safely. Cushioning support: The Air-Liner Protect E-Bike provides superior cushioning to absorb shocks from rough trails. Protection: The insert offers remarkable puncture protection to prevent unwanted stops. Its robust construction and protective capabilities create a reliable shield against punctures and pinch flats. Lateral support: Exceptional sidewall support to prolong tyre longevity. Air-Liner Protect E-Bike allows for increased cornering support. You can ride faster in corners. Size: 27.5 or 29" Tyre Width: 2.4" - 2.6" Rim Width: 25mm - 30mm Weight: 140 - 145g Discipline: E-Bike