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Old 08-02-19, 06:24 AM
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topflightpro
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Originally Posted by nomadmax
I may have misunderstood you but rim brake heat is rim brake heat, clincher or tubular. You can roll a tubie right off the rim during prolonged braking that increases heat. I agree with the others, if you absolutely want full carbon rims and you're in the market for a new bike, disc brakes and thru axles is the only way to go in my opinion.
The difference is that with a carbon clincher, the rim wall at the brake track is thin and the tire is on the other side. It's much, much, much less common now, but in the early days of carbon clinchers, it was not uncommon for carbon clincher rims to melt from prolonged braking.

On a tubular, the rim wall at the brake track is thicker and the heat has more room to dissipate through the rim as the tire sits on top of the rim, so there were not the same issues with extensive braking.
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