size: 700c front/rear: front/rear (S 8-10sp) rim: 80mm carbon tubular hub: Fulcrum spacing: 100/130mm hole: 16/18h spoke: 14/17/14g nipple: 5mm hex color: Dark Label weight: 1540g • Racing Speed XLR 80 crushes the old benchmark on aerodynamics and top level speed • Ceramic Ultimate Level Technology (CULT) developed by Fulcrum with ceramic bearings and Cronitect steel bearing races. An unprecedented system which guarantees performance apt the maximum level • Full carbon tubular rim: 20x80mm deep-section profile with internal nipple interface for maximum aerodynamic advantage • Dynamic Balance system which is a special carbon fiber layup that offsets tire valve weight creating a perfectly balanced wheel • 2:1 Two-to-One spoke ratio design provides optimized power transfer by balancing and increasing the spoke tension of the rear wheel • Black stainless steel, variable section aero spokes with hex nipples (radial front, radial non-drive / 2-cross drive rear) • Aluminum hubs with carbon body, adjustable precision bearings and an oversized (rear) drive-side flange • Includes Fulcrum double-pivot/arm QR skewers, carbon-specific brake pads, presta valve extensions, owner's manual, 2yr warranty info, and wheel bags • Dark Label with black and grey graphics, 1540g set: 715g-front / 825g-rear ON SALE $2446