Mr Tuffy Mr. Tuffy E-Bike Tire Liner Tire Liners - 20/26/27.5X3.1-4.0 - Tan - Pair-Mr Tuffy E-Bike liners are safer for higher speeds which E-bikes can easily reach-Self-sticking tire liners permanently adhere to the inside of a bicycle tire-Easier to install tubes as the liner sticks to the inside of the tire out of the way-Same Mr Tuffy color coding for easy identification-Works with any bike, not just e-bikes-Easy 5 min installation-20/26/27.5x3.1-4.0-Tan-Pair