<p>Use of French valve, welding circle, rim frame height: 30mm, rim width: 25mm (outer) and 20mm (inner), number of holes: front 24/rear 28H, rim material: Aluminum alloy, bearing: front 2/rear 2 bearings, spokes: Pillar (Taiwan) variable diameter spokes, 2.0/1.6/2.0mm, flower drum opening: front 100*15mm, rear 142*12mm, weight: approximately 2010g per pair.</p>