Lighter, stiffer, more precise, easier to maintain. The new RATCHET EXP technology maximises the benefits of the 180 hub. Its ultra-reliable freewheel system transfers even the most intense pedalling forces, ensuring direct power transmission. Extremely smooth and with minimal rolling resistance, SINC Ceramic bearings offer a decisive advantage. DT Swiss 180 hubs – the ultimate in lightness, stiffness and robustness.