The Reynolds ATR X 700 carbon disc wheelset keeps going even when smooth pavement doesn’t. This wheel is built on a robust 23mm wide-profile carbon fiber rim to fit bigger all-terrain tires so you can explore back roads with great traction and comfort. The 24 steel spokes also add to the smooth ride quality and with Center Lock disc rotor capability you will enjoy positive braking even when that dirt road turns to mud. look no further the ATR is All Terrain Road.