Building a wheel that performs well anywhere is the idea behind the ER 1600. The wide rim and superb ratchet drive system bring traction and reliability into the mix and provide a wheel that is perfect for year round riding on road or mixed terrain. The 23mm rim height offers a better climbing wheel while the 32mm height is a stout for those that are hard on their wheels. - 350 based Spline hub with 18t ratchet system - Straight-pull hub and spokes are laced 2-cross - Includes tubeless ready tape and tubeless valve