The shimano rs010 700c front road wheel is part of the road sport series which uses the race proven dura ace wheels technology but at economical prices making them suitable for everyday riding or use at local races the rim has 20 holes and a presta valve hole and features a wear indicator to help detect when your rim becomes worn out the spokes are black stainless steel and laced 2 cross onto a quick release hub with wide flanges contact bearings and steel axles available in 20h black only