
I would think it's do-able under 430 g, and such a rim would be near the sweetspot between aero (I mean the tubular-rim combo) and acceptably light...
Louis

thprice wrote:Has anyone tried the BHS TB415w Tubular Rim - 23mm Wide - 415g
http://www.bikehubstore.com/category-s/171.htm
Calnago wrote:I wouldn't want to see wider rims for tubulars that allow them to "sit deeper". That would detract from the qualities that make tubulars so nice to ride. The completely round shape, unhindered by "sidewalls". All you need for the tubular is a section that allows it to be glued safely, then let the tubular move around with the demands of the ride. Sitting it deep into a rim would in effect change a tubulars handling characteristics to be more like that of a clincher, which no one who has ridden tubulars wants. On the other hand, wider rim profiles for clinchers allow the clincher to spread out more, allowing them to behave a little bit more like a tubular which is good for clincher riders.
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