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PostPosted: Thu Jul 04, 2013 3:57 pm 
Gold Trader
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Joined: Thu Aug 02, 2012 11:48 am
Posts: 977
Location: Somerset
The original brake studs from my '87 Cannondale have been lost :( and I need to find some replacements.

The thread into the frame is M10 (the big bolt in the picture below fits quite nicely) but what mounting diameter does a roller cam need? It's certainly not 8mm as the old bosses from my Funk rattle around a bit! Is a U-brake 9mm?

These guys might have something but I'm just not 100% sure what to order (if I can at all).

http://www.shop.brake-stuff.de/en/18-cantilever-studs

Can I buy replacements if so where from?

Cheers


Attachments:
IMG_3697.JPG
IMG_3697.JPG [ 95.76 KiB | Viewed 389 times ]
IMG_3698.JPG
IMG_3698.JPG [ 89.39 KiB | Viewed 389 times ]
Roller cam with small boss (front).JPG
Roller cam with small boss (front).JPG [ 92.8 KiB | Viewed 389 times ]
File comment: As you can see it's not exactly snug...
Roller cam with small boss (close up).JPG
Roller cam with small boss (close up).JPG [ 29.01 KiB | Viewed 389 times ]
Roller cam with small boss (back).JPG
Roller cam with small boss (back).JPG [ 34.28 KiB | Viewed 389 times ]


Last edited by Swede on Sat Jul 27, 2013 5:24 pm, edited 1 time in total.
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PostPosted: Fri Jul 05, 2013 4:13 pm 
Gold Trader
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I've made a bit of progress on this but if anyone has an old 'dale and could take some pictures of what I need it would be appreciated...

The pivot OD (I think) needs to be 8.9mm which (again I think) is the same as a U brake and looking at the few photos there are of roller cam equipped Cannondale’s I’m guessing the stud looks something like this (this came of a GT)?


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u_brake_stud_zaskar_91_148.jpg
u_brake_stud_zaskar_91_148.jpg [ 100.71 KiB | Viewed 360 times ]
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PostPosted: Fri Jul 05, 2013 4:52 pm 
98+ BoTM | BoTM | PoTM Winner
98+ BoTM | BoTM | PoTM Winner
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Joined: Tue Mar 10, 2009 2:53 am
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Location: San Rafael, CA, USA
The "Suntour" (metric) sized roller cam bosses are 8.9mm dia x 16.5mm long. See here: http://www.paragonmachineworks.com/cgi- ... key=BK0009 Although those won't work for your application.


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PostPosted: Fri Jul 05, 2013 8:22 pm 
Gold Trader
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Joined: Thu Aug 02, 2012 11:48 am
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Thanks, at least that confirms the OD is 8.9mm. Anyone got a set of these or know where I can find some?


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PostPosted: Fri Jul 05, 2013 8:34 pm 
Old School Hero

Joined: Fri Aug 24, 2012 1:35 pm
Posts: 166
Location: Madison, WI USA
This maybe....
http://www.cycle-frames.com/bicycle-fra ... -STUD.html


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PostPosted: Sat Jul 06, 2013 9:03 pm 
retrobike rider
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Where abouts are you?


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PostPosted: Sat Jul 06, 2013 10:02 pm 
Gold Trader
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Joined: Thu Aug 02, 2012 11:48 am
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I've found a solution :D. Bike-Stuff have these for BMX's, but they're not of the website (I had to ask); should do the trick nicely.


Attachments:
Brakes Boss - M10[1].jpg
Brakes Boss - M10[1].jpg [ 61.89 KiB | Viewed 304 times ]
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PostPosted: Sat Jul 06, 2013 10:10 pm 
retrobike rider
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Joined: Thu Apr 17, 2008 1:24 am
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Location: Manchester
Check the pitch of the thread too :)


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