Wheelset bike wheel system deep rim wheel uses racing bike triathlon size 28 inches size etrto 700c series mavic cosmic weight 1 630 g tyres tubular brake mount rim brake spoke type bladed spokes hubs 16 20 spoke material stainless steel lacings radial front radial rear two cross rear rim flange carbon coating type of bearing industrial technologies mavic powerlink mavic griplink fabric specification carbon 3k