M 502 AM rim with precision insert, compatible with current tyres and a 30 mm inner width. The ideal width for the ideal weight. With a 30 mm inner width, the M 502 rim lets you fit light to fairly wide tyres and tackle the toughest terrain. The combination of DT Swiss's special rim material and a sleeved joint, which keeps costs down, offers the ideal compromise between lightness and width, at an affordable price.