Quote:
Originally Posted by froze
But if you're riding on aluminum rims descending long twisty mountain roads you have no worry about latex popping, I did that for years in hot S California mountains and never blew a latex tube...but that was using AL rims which dissipate heat far better than CF rims. But that does make me wonder about something, if the pros are using CF rims and latex tubes racing in mountains why aren't they worried about the tubes popping?
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The pros are by and large still using tubulars. Their tubulars have latex tubes, but the tubes are insulated from the rim through several layers (glue, base tape, tire casing), as compared to a clincher, where a portion of the tube may be pressed against the rim sidewall. If the pros need to worry about anything regarding brake heat, its melting their tubular glue. (Rolled tires due to melted glue is a rarity with well glued tubulars, but it can still happen.)