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21-11.-2002, 07:02 PM
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#1 |
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Guest
Posts: n/a
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road bike with disc brakes
A road bike with disc brakes, have any of you guys seen these b4?<br /><br />http://www.giantbicycles.com/us/030.000.000/030.000.006.asp?lYear=2003&amp;bikesection=8830&amp;range=138&amp;mode l=10658<br /><br />
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21-11.-2002, 07:24 PM
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#2 |
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Member
Join Date: Nov 2001
Posts: 55
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Re:road bike with disc brakes
Not yet, but it certainly is an interesting idea and makes sense on a touring bike, if you for example buckle your rim badly your braking will not be affected and disc brakes do perform better than cantilevers.<br /><br />It might be a bit heavy for racing though.<br />
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The true measure of a champion is what he does when nobody’s around |
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21-11.-2002, 07:24 PM
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#3 |
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Senior Member
Join Date: Aug 2002
Location: Johannesburg
Posts: 180
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Re:road bike with disc brakes
Touring bike though, so I can understand. Don't some racing tandems have discs these days? Makes a lot of sense with the extra weight you are carrying in either case, I've heard some horribly tortured tandem brakes coming into downhill corners...
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What do you mean there's no granny gear? How do you go up hills? Ahh, I see, you don't have hills. |
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21-11.-2002, 08:25 PM
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#4 |
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Community Team
Join Date: Oct 2002
Location: Sydney Australia
Posts: 780
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Re:road bike with disc brakes
the discs were featured on roadbikereview and the Avid site<br /><br />Personally after my experience on some steep downhills in Sydney i'd LOVE a front disc (i'm quite heavy and i melted a set of pads last month)<br /><br />as long as the weight penalty wasn't too excessive<br /><br />the other problem i can see is the issue of compatibility with trick wheelsets, i mean you can't just whack a set of kysriums on unless they start making disc compatible hubs
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Don Stevenson Strength and Conditioning Coach Octogen Fitness www.octogen.com.au fitness@octogen.com.au |
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21-11.-2002, 10:35 PM
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#5 |
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Community Team
Join Date: Nov 2002
Location: Lierde Flanders
Posts: 296
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Re:road bike with disc brakes
I 've seen a cyclo-cross bike with disc brakes before on the training for the worldchampionships in zolder. De japanse owner only rode it during practice the bike got bannend before the main event.
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A winner is a loser who didn't quit! |
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22-11.-2002, 02:34 AM
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#6 |
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Community Team
Join Date: Jan 2002
Location: USA
Posts: 291
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Re:road bike with disc brakes
you raodies are such weight weenies ;D<br /><br />I would think that discs would be a great advantage in the rain!
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22-11.-2002, 05:17 AM
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#7 |
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Community Team
Join Date: Oct 2002
Location: Sydney Australia
Posts: 780
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Re:road bike with disc brakes
i checked the Avid and shimano sites for the weights of calipers and discs and found out that each disc brake weighs 361g while a pair (front and rear) of 105 calipers weighs 352g and a pair of dura ace calipers weigh 317g<br /><br />so if you ran front and rear discs you would be up for about 350-400g extra but you only really need the front disc and so you could get away with 1 disc (361g) + 1 caliper (176g for 105) thus only incurring about a 185g penalty.<br /><br />for bikes on a supermodel diet this may be enough to give their riders the shakes but for the rest of us i don't think its too bad<br /><br />now to see if i can get discs on decent wheels.....
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Don Stevenson Strength and Conditioning Coach Octogen Fitness www.octogen.com.au fitness@octogen.com.au |
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