25mm wide toroidal rim (fatter on inside diameter) - 4mm widder than 2011 rims
50mm deep rim
cassete is closer to spokes ( for 11 speed duraace group)
new aluminium hubs
or here Update (fro slovenian fans) http://kavitec.blogspot.com/2012/03/upd ... podaj.html
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So has Zipp's patent on toroidal rims expired?
Because ya know everybody's going to be making them this way now.
Does anybody know if Shimano will no longer offer shallow rim carbon tubular wheelsets, like the old 7801/7850 versions with the 28 mm front rim and 24 mm rear rim? For 2011 (2012?), they quit making them, with the C35 being the shallowest tubular carbon wheelset they offered. Those wheelsets offered great aero for the rim depth, were the lightest wheelsets Shimano ever made, and even then, rode at least 100 gms lighter due to most the weight being at the hubs.