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Lance, discs?

stickmanstickman Posts: 791
edited January 2010 in Pro race
I saw a quote somewhere, something like 'Armstrong: we'll all be using disc brakes soon', does anyone know what was in that discussion/interview?
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  • It was a tweet (twitter) - can't remember when though.
    Cannondale Supersix / CAAD9 / Boardman 9.0 / Benotto 3000
  • stickmanstickman Posts: 791
    Ah! Also a tweet, thanks. I saw it on the front of a magazine in a shop, can't remember which magazine though.
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  • calvjonescalvjones Posts: 3,850
    Can't see it myself. Even (especially) if there were any performance advantage, the UCI would ban it as they've done in Cyclocross.
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  • stickmanstickman Posts: 791
    The uci said about cyclocross they are not in favour of discs because they are not traditional - but they are only banned because no-one has applied for them to be allowed.
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  • stickmanstickman Posts: 791
    Great! Thanks.
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  • hmmm..

    Pros - No blown tubs on decents
    Cons - Extra weight.

    Think I'll stay with the calipers.
  • inseineinseine Posts: 5,781
    You get a wheel from the neutral service and find you've got no brakes!
  • pedro118118pedro118118 Posts: 1,102
    Was all something to do with the weight limit being no longer relevant. Therefore, instead of stuffing chains down seat tubes (a la Sastre and his R3-SL), you may as well concentrate effort on elements, which assist performance. Hey presto - disk brakes?!
  • calvjonescalvjones Posts: 3,850
    What, replace static mass with rotating mass?
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  • calvjonescalvjones Posts: 3,850
    What, replace static mass with rotating mass?
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  • chriskemptonchriskempton Posts: 1,245
    Road discs would be small and so close to the hubs as to be barely "rotating weight". I've ridden a disced up montain bike down a Pyrenean hairpinned col, and can definitely vouch that it's an idea with potential :D
  • cameronecamerone Posts: 1,232
    plus i suspect the rims could be lighter without having to have a braking surface
  • eheh Posts: 4,854
    plus i suspect the rims could be lighter without having to have a braking surface

    But you'd need to beef up the forks and frame to cope. They are also less aero.

    I don't understand the main reason, what advantages do they bring specifically for road racing?

    (NB: I understand why they are good on mtbs and commuters)
  • andypandyp Posts: 8,497
    The ability to brake later? It could be useful in crits and potentially on mountain descents.
  • calvjonescalvjones Posts: 3,850
    andyp wrote:
    The ability to brake later? It could be useful in crits and potentially on mountain descents.

    But any calliper brake will max out the friction available then lock the wheel, disc would do the same so you couldn't brake later.

    I guess they might be more easily modulated, and certainly better in the wet, but who dives down descents like a madman in the wet on the road?
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  • andypandyp Posts: 8,497
    Sammy Sanchez?
  • stickmanstickman Posts: 791
    I'm interested in the subject of the disc situation although i'm into hub brakes myself, got one on the front of my cyclo cross bike (an adapted road bike), fully enclosed parts and not affected by rain, don't need disc specific forks, only a compatible brake arm clip.
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  • nicklousenicklouse Posts: 81,520 Lives Here
    stickman
    a project from back in 2006

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  • stickmanstickman Posts: 791
    Thanks that's interesting reading.
    I don't know why they can't have just put steel forks on it though as with modern bikes it's about not being too light, and makers having to add weight for uci races.
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  • Homer JHomer J Posts: 932
    I can guess they would wack the price up for a decent set of wheels
  • eheh Posts: 4,854
    I don't know why they can't have just put steel forks on it though as with modern bikes it's about not being too light,

    Huh? decent steel forks are way heavy as you actually need a fair amount of metal in them to get them stiff enough to react well under breaking. You'd be better still building the forks out of CF but beefing them up a bit to cope with the different braking forces from a disc.
  • term1teterm1te Posts: 1,462
    I like the idea of disk brakes, but there are pros and cons. Given that weight isn't an issue anymore... Are there any other bits of kit that could be added to imporve performance? Powermeter, ABS brakes, espresso machine?
  • calvjonescalvjones Posts: 3,850
    I'm not really sure what problem discs are supposed to solve. Would anyone honestly get down a hill or around a crit quicker or more safely with discs rather than calipers?

    And of course, when everyone has them. there's no performance advantage anyway, but a fair bit of added complexity.

    Mind you, they sell Di2 I suppose, so what do I know!?
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  • teagarteagar Posts: 2,100
    Surely, once you reach the ability to lock up your brakes, which you can do with calipers, it no longer is an issue of the brakes, but of the grip the tyres provide?
    Note: the above post is an opinion and not fact. It might be a lie.
  • dougzzdougzz Posts: 1,833
    teagar wrote:
    Surely, once you reach the ability to lock up your brakes, which you can do with calipers, it no longer is an issue of the brakes, but of the grip the tyres provide?


    +1

    I've never understood all the different brake types. Surely any well adjusted brakes can lock the wheels and then as teagar says it's about the mechanical grip from the tires.
  • bompingtonbompington Posts: 7,674
    Term1te wrote:
    I like the idea of disk brakes, but there are pros and cons. Given that weight isn't an issue anymore... Are there any other bits of kit that could be added to imporve performance? Powermeter, ABS brakes, espresso machine?
    Drip stand
  • Stuey01Stuey01 Posts: 1,273
    The main benefit of discs is that they work well in the wet. Whether you think that is a benefit worth having is a another question.
    Not climber, not sprinter, not rouleur
  • Buckled_RimsBuckled_Rims Posts: 1,648
    Term1te wrote:
    I like the idea of disk brakes, but there are pros and cons. Given that weight isn't an issue anymore... Are there any other bits of kit that could be added to imporve performance? Powermeter, ABS brakes, espresso machine?

    The possibility of connecting the Di2 system with the brakes could give anti-locking and even traction control :wink:

    I don't think that aerodynamics will be a problem once new systems are developed. Innovation will soon develope rather then using MTB style system. hydraulic lines could be routed inside the front fork or frames.

    The great factor IMO is that if you buy an expensive wheelset you need not worry about the rims wearing out if you live in a hilly area and constantly use the brakes on your bike.
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  • term1teterm1te Posts: 1,462
    bompington wrote:
    Term1te wrote:
    I like the idea of disk brakes, but there are pros and cons. Given that weight isn't an issue anymore... Are there any other bits of kit that could be added to imporve performance? Powermeter, ABS brakes, espresso machine?
    Drip stand

    I was going to suggest centrifuge, but didn't.
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