FEATURES # Note: These work with only the Shimano 09 10 speed dura ace cassette. Yet unlike the competition we can install the pre 09 freehub at no extra charge upon request. # WE can also install a campy freehub body # Wheel size 700C # Weight only 1335 grams # Hubs F-R4 SL, R-R4 SL # Spokes Sapim? black bladed # 18F radial # 24R radial / 2-cross DS # Nipples Alloy Black # Bearings Grade 3 hybrid ceramic