MR TUFFY E-BIKE TAN 20/26/29x3.1-4.0 BOLT-ON 1-SP FX/FX The Undercover Boost features a

The Undercover Boost features a shape and profile thats sensibly designed for smooth positional shifts on and off the saddle - elevated performance comfort for any mountain application

Carbon fiber injection base

Caution: not compatible with child seats

ISO CITY safety certified

Economical wire bead version with similar performance in a more affordable

MR TUFFY E-BIKE TAN 20/26/29x3.1-4.0 BOLT-ON 1-SP FX/FX The Undercover Boost features aMr 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