Disc brakes are dead

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  • So DBAD is dead? Long live.....?

  • If it’s dead I’ll only give you £48. Offer of £3,000 stands if it’s still alive.

  • ignore this wrong thread

  • Why do I have a notification for this comment in my feed?

  • I tagged you in the wrong thread

  • Moots going for the opposite statement.


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  • Madness! It's like they're not even keeping up with this thread!

  • https://janheine.wordpress.com/2018/07/29/disc-brakes-in-the-tour-de-france/
    Jan talks some grade A bullshit doesent he? I hope he knows that and only doing it for the likes.
    Link in bio.

  • Honestly whatever opinion he expresses I'll now be diametrically opposed to it on principle.

  • The answer is simple: Really good rim brakes stop just as well as even the best disc brakes.

    wut

  • Technically yes though no. I think Tester even corroborated this. Wheels are essentially giant disc brakes.
    Not agreeing with Jan, but he's technically correct.

  • As much as I hate to agree with him, for a 60kg rider on a stiff 6.8kg bike in the dry with top-end calipers, no luggage and a budget for replacement rims - aka a TdF rider or perhaps someone like @amey on a given day - yeah, he's right. You easily have enough power to hit the traction limit of your tyres.

    Only an idiot would assume this applies to universally to all riders, all bikes, all rides, all weather.

  • The answer is simple: I am a massive turd

  • The answer is simple: Really good rim brakes stop just as well as even the best disc brakes in the dry, probably.

  • I do find hydro disc brakes more reliable an far more convenient for daily stuff. Wouldn't even bother in a Sunday best/race bike

  • TBH, I'd welcome hydro on a Sunday best bike in the mountains, but then again, the Sunday best doesn't need to be super comfortable, just fast, harsh and fun.

  • Well there's actually a case for disc brakes to avoid cooking carbon clinchers

  • Oh Defintely and no need to sell out lots if money for a new rims/wheels when it start to show wear.

    No puncture from overheated rims too.

  • Surely if you can blow off a tyre on a rim brake you can boil a hydro system/overheat a rotor? For heavy riders in the mountains there doesn't seem to be any brake that is immune to overload.

  • Not entirely. Horses for courses obviously, but many variables come into play. 200mm rotor and DOT fluid using brakes have a pretty high boiling point.
    Looking at a bottle of DOT 4 now and it has a dry boiling point of 269c.

  • There’s also a reservoir of fluid, not just what’s in the hose. So if you’re coming on and off the brakes it’ll surely mix/distribute the heat.

  • Volume of fluid in the whole system will be very low. Id imagine its the heating up of the caliper thats the problem, hence finned pads

  • This is boring. Amey, please build more bikes.

  • If EWS riders brakes can last for the likes of the Chilean EWS then I can't see how road discs shouldn't be capable of coping...

  • Done. Waiting on Mack workshop rando bag with VO decaleur


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Disc brakes are dead

Posted by Avatar for amey @amey

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