Widely spaced medium sized triangular knobs offer a low rolling resistance while also providing superior grip on hard pack and loose loamy conditionsKenda`s DTC (Dual Tread Compound) technology allows you to maintain high speeds without sacrificing tractionDTC - Dual Tread Compound is a combination of two different rubber compounds, L3R Pro (center knobs) and Stick-E rubber (corner knobs)Standard29x2.2622WireBk/Bsk5086160DTCNoUPC/EAN/GTIN: 047853656312