The shimano rs610 tubeless compatible 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 rims have a wear indicator which allows you to check when your rims become worn out the hubs feature angular contact bearings wide flanges and 2 cross straight laced spokes maximizing rigidity and power transmission available in 16h black only