Recommended for e-bike rides, giving stability, power-saving riding and low rolling resistance. "Echelon" 20×4 Fat Tire is built with a refined block tread pattern, compactly arranged to create a smoother, more fluid riding experience. Its flatter tread profile minimizes rolling resistance on pavement while still holding steady grip when the road changes, giving you comfort and control in equal measure. Designed specifically for e-bike riders, Echelon combines durability, puncture resistance, and balanced handling Echelon fits most 20"×4.0" fat-bike frames and...