Fulcrum Racing Speed XLR Wheels

2009 Fulcrum Racing Speed XLR Wheels Ceramic Ultimate Level Technology (CULT) developed by Fulcrum with ceramic bearings and Cronitect steel bearing races. An unprecedented system which guarantees performance at the maximum level Full carbon tubular rim: 20x50mm deep-section profile with internal nipple interface for maximum aerodynamic advantage Dynamic Balance system with two, oversized (silver) spokes to offset tire valve weight for 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 Choose Shimano/SRAM 8-10sp or Campagnolo 9-11sp compatible freehub Includes Fulcrum double-pivot/arm QR skewers, carbon-specific brake pads, presta valve extension, 12t cassette lockring, owner's manual, 2yr warranty info, and wheel bags 1325g set: 575g-front / 750g-rear