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PostPosted: Fri Jan 03, 2014 8:41 am 
Retro Guru

Joined: Sat Dec 29, 2007 7:21 am
Posts: 894
Location: Hobart, Tasmania, Australia
I got a set of evoluziones...unfortunately they're IS mount and the rear has a 160mm rotor. Fit the fork fine (contrary to the talk that DHOs were FS mount they are actually IS bolt spacing), but I need a FS (48mm) mount caliper in silver and a 140mm 4 bolt rotor. Anyone!?


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PostPosted: Wed Jan 22, 2014 7:00 pm 
Gold Trader
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Joined: Thu Mar 26, 2009 8:52 am
Posts: 2370
Location: Poland / Cracow
got a rotor if You're interested


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PostPosted: Tue Feb 11, 2014 9:20 am 
Newbie

Joined: Mon Feb 10, 2014 10:09 pm
Posts: 5
Hi, just got hold of a set of red formula brakes and hubs

Image
Image
Image

Original dust but still working, shot bearings and missing rear axle. Discs have so much play it is a miracle they still hold.
So looking for a rear axle, the hubs service manual, original skewers, small discs, ... :D
Thanks


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PostPosted: Thu Feb 27, 2014 4:22 am 
Newbie

Joined: Thu Feb 27, 2014 4:05 am
Posts: 2
Someone gave me a few years ago a strong wheelset (Mavic D521) built with Carbonio hubs and a 180mm/ 140mm rotor combo but I have stopped using them for a while.
I am thinking of using them again on a dual suspension bike (not extreme riding though) and my question is about the actual quality of the rotors (the original aluminium/ steel ones). I have used them a few times with some Shimano calipers and once at the end of the ride there was a very steep road downhill for a bout a mile that required almost constant braking. Although I kept pumping and releasing, by the end of the road, the front rotor was so completely warped that it was rubbing badly. After cooling it for a few minutes, I braked once and it went back to normal. This did not give me much trust in it though.
Is it a common problem or do you think it was due to a bad pad/ disc combo ?
I am planning to use them with some Hayes calipers now.
Should I be better off replacing the rotors altogether?
Thanks for your help.
Cheers
Eric


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PostPosted: Thu Feb 27, 2014 8:49 am 
Newbie

Joined: Mon Feb 10, 2014 10:09 pm
Posts: 5
I would say that you should use discs/pads/callipers of the same era. Mixing generations will probably lead to the kind of issue you already experienced, too aggressive pads eating discs, too powerful callipers warping discs, ...


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PostPosted: Fri Feb 28, 2014 8:38 am 
Newbie

Joined: Thu Feb 27, 2014 4:05 am
Posts: 2
Thanks xchox. I think my Hayes are roughly of the same era early 2000.
I'll give it a try.


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PostPosted: Sat Mar 15, 2014 5:01 pm 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider
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Joined: Sun May 25, 2008 11:03 am
Posts: 18980
Location: Sunny Glasgow
Another 4 bolt, Hope this time, but anyone know the rotor size, as it doesnt match a 4 bolt modern front hub i have ,which i think is roloff pattern :?



Why go 4 bolt when you can go 3 :shock: :lol:


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 Post subject: Re:
PostPosted: Tue Mar 17, 2015 7:18 am 
Retro Guru

Joined: Sat Dec 29, 2007 7:21 am
Posts: 894
Location: Hobart, Tasmania, Australia
Does anyone have a copy of the FS mounting standard? I want to make some FS-to-IS adaptors.


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 Post subject: Re:
PostPosted: Fri May 08, 2015 10:33 am 
Newbie

Joined: Mon Feb 10, 2014 10:09 pm
Posts: 5
Just got a nice set of red closed ones:
Image
The later 51mm width.

I am still in need of adapters (48.5 or 51) for a non disc frame and for a Judy/Sid + this elusive rear Carbonio axle, anyone ? Thanks


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 Post subject: Re:
PostPosted: Sat Jul 07, 2018 8:53 am 
Retro Guru

Joined: Fri Nov 21, 2008 3:24 pm
Posts: 1068
Location: up north Sweden
Great old thread for old sucky disc brakes :facepalm:

So, these antique formula brakes came on my precious Sunn Exact 97
and being not overenthusiastic with there performance I went
bananas and swapped just the levers, closed originally to the open
lever.. questions is - can I do that? or will mr. Murphy come get me??


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