Campagnolo`s aluminum clincher wheelset updated to the C17 profile for use with today`s wider tire trends C17 is an update to deliver a better, more efficient shape for 25-28mm tires but still is very much a road oriented rim width 70 grams in weight savings over previous generations of Scirocco wheelsets Features straight pull stainless aero spokes, with 16 spoke radial lacing in the front and 21 spoke G3 grouped lacing on the rear and an oversized driveside flange to balance out spoke tension Newly redesigned proprietary QR levers 700C Set 17 QR Blk Scirocco C17 Scirocco C17 100 - 130 Blk 9-12s CassCpy RIM Aero Straight Pull 16F/21R Dbl PVUPC/EAN/GTIN: 8050046166972