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| Viewing Page 1 of 1 (Total Posts: 5) |
| Author | Comment |
Ian Watson
May 5, 08 - 2:49 PM |
Omega Alchemy - Sympathetic vibes
I have owned an Omega Alchemy for about three years now and am very happy with its performance. Only one problem I upgraded to a Reynolds Ouzo Pro carbon seat post - looks great until I hit c.35mph (downhill with the wind behind me!) and I get a really nasty groan - sounds like the back wheel is about to fall off! i have read somewhere about sympathetic vibes a la tacoma bridge - any views or help? |
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Neil
May 8th, 2008 - 3:52 PM |
Re: Omega Alchemy - Sympathetic vibes
I have exactly the same seatpost on an Enigma Esprit and haven't had any problems at speeds between 35 and 40mph. Don't know if that helps! |
Mark Reilly
 May 9th, 2008 - 1:01 AM |
Re: Omega Alchemy - Sympathetic vibes
Hi Ian This is a weird one! so before changing the seat post everything was fine? Was the Reynolds seat post a loose fit? Best regards Mark |
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Ian Watson
May 9th, 2008 - 11:37 AM |
Re: Omega Alchemy - Sympathetic vibes
I went out for a ride on Monday with the original seatpost - downhill no noise so deduced it must have been the Reynolds. However I think it is a mgnificent piece of kit so want to persevere - what torque setting would you recommend, Mark and I will give that a go... |
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Mark Reilly
May 10th, 2008 - 1:10 AM |
Re: Omega Alchemy - Sympathetic vibes
Hi Ian the seat clamp should be 8-10 N/mm and the seat post bolts should be 8 N/mm Hope that helps Best Regards Mark |
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