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Post subject: YPVS Metmachex shallow braced
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TOUT  Powerband Master Joined: 17 Jan 2004 Total posts: 734 Location: wigan |
Eccentrics question;
Should both ends be keywayed ? woodruff ?? To allign both ends as a pair
Or
Is the chain end done by ways of a peg ? into the keywayed spindle ?
Any pics or diagrams or accurate info please
Cheers Tout
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Posted: Fri Mar 14, 2008 7:26 pm
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Monochrome Regular Racer Joined: 08 Jan 2005 Total posts: 349 Location: Lancashire |
Assuming they're all the same, chain end of spindle (head end) has a woodruff key and outer eccentric has a slot to accommodate it. Threaded end of shaft has a slot and outer eccentric has a peg.
I doubt assembly would be possible if the same method was used at both ends.
Also, I've found that the peg can cause slight distortion of the slot in the threaded end over time. You'll know if it happens because the shaft will jam somewhere or other.
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Posted: Fri Mar 14, 2008 7:55 pm
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| Rich |
| Monochrome wrote: |
Assuming they're all the same, chain end of spindle (head end) has a woodruff key and outer eccentric has a slot to accommodate it. Threaded end of shaft has a slot and outer eccentric has a peg.
I doubt assembly would be possible if the same method was used at both ends.
Also, I've found that the peg can cause slight distortion of the slot in the threaded end over time. You'll know if it happens because the shaft will jam somewhere or other. |
I've had several and they've all been like this. The problems start when some idiot tries to hammer the spindle through when things aren't perfectly lined up and knocks the peg out of the eccentric 
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Posted: Fri Mar 14, 2008 8:00 pm
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TOUTPowerband Master Joined: 17 Jan 2004 Total posts: 734 Location: wigan |
Cheers,Fellas
I would have thought the threaded end was chainside ???
most RD`s are that way are`nt they ?
So ONE key,ONE peg thanks
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Posted: Fri Mar 14, 2008 8:52 pm
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MonochromeRegular Racer Joined: 08 Jan 2005 Total posts: 349 Location: Lancashire |
Well, you could swap the eccentrics round but I think it might be harder to get together. With an LC, you can leave the spacer until last, which gives room to manouvre.
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Posted: Fri Mar 14, 2008 9:02 pm
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TOUTPowerband Master Joined: 17 Jan 2004 Total posts: 734 Location: wigan |
Lots of you must have a metmachex fitted ?
So hopefully plenty of answers on this one 
ECCENTRICS.....Do you adjust with it cam over the top ?? or cam underneith ??.....Application of the rear brake must have a tendancy to want to shift the wheel forwards or backwards ??
Anyone with original Metmachex instructions , maybe a boffins ideas are required ?
Any help Fellas
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Posted: Mon Jun 09, 2008 9:09 pm
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MonochromeRegular Racer Joined: 08 Jan 2005 Total posts: 349 Location: Lancashire |
Instructions? Don't recall getting any. Over or under may be dictated by clearance problems as well as personal choice. Mine is over because I don't want the back end any higher (tiny amount as it is) but brake pull can foul the arm. Shortened the torque arm to fix it. This leads to a need to spin the brake arm round a spline....
As for shifting the wheel, mine is an old one with only one pinch bolt and it's never moved. Don't worry about it.
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Posted: Mon Jun 09, 2008 10:34 pm
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TOUTPowerband Master Joined: 17 Jan 2004 Total posts: 734 Location: wigan |
Cheers M
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Posted: Tue Jun 10, 2008 8:47 pm
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