About Easton EA 90 SLX Clincher Wheelset: The EA90 SLX wheel set is for the rider/racer that refuses to compromise. Features include: New Gen 4 front/rear specific rims, Sapim™ double-butted stainless steel spokes, and new silky smooth R4 hubs. Easton’s ultimate lightweight clincher wheel set for climbing, sprinting and race-winning domination. Wheel size 700C Weight 700C. Front: 610 g, Rear 862 g, Pair: 1472 g Hubs R4-series. Black anodized finish. Precision-sealed cartridge bearings with asymmetrical, low-drag seals. Tool-free bearing preload adjustment front and rear. Cassette Body All alloy, oversized inboard ratchet mechanism with three pawls. Precision-sealed cartridge bearings with asymmetrical, low-drag seals. Shimano, Campagnolo, and Sram compatible. Rims Gen4. Black anodized shot-peen finish. Welded machined brake surface, 21mm front, 25mm rear. Spokes Sapim™ 2.0/1.7/2.0 double-butted stainless steel silver. Spoke Count 18 front, 24 rear Nipples Nickle-plated brass rear DS, custom-anodized aluminum NDS rear and front.