Product Description/Features: Welded and Pinned rims, Double-wall design rim with a wide profile for extra strength and rigidity, 32 spoke construction for added strength and pedaling efficiency, 7075 aluminum rim construction, Front wheel converts from Q/R to 20mm thru axles, 15mm adapter available separately, Comes with conversion kit, 135mm Rear spacing, Front wheel weight: 997g, Rear wheel weight: 135mm: 1247g, 150mm: 1273g.