GR 531: love gravel and big tyres? This rim is made for you. The GR 531 is ideal for off-road adventures. This aluminium gravel rim, with the internal rim width widened to 24 mm, is available in two sizes and is designed for knobbly tyres up to 53 mm wide. Torsionally stiff and tough, the welded rim suits a wide range of gravel applications.
