Black coated alloy Zircal flat bladed straight pull spokes for this wheelset. Mavic Codes: Front 36674901 274mm Rear Driveside (Freehub) 36675101 251.5mm Rear Non Driveside (Disc) 36675001 281.5mm Sold individually You need the Mavic 99607901 R-sys TRA Comp M7 spline wrench to fit these spokes.