Hi,
I recently purchased a 1606 DTS and the speed sensor just attaches to the front fork using an O-ring. Trouble is it doesn't seem tight enough to hold the sensor securely. Ultimately vibration causes the sensor to move, usually into the magnet or spokes.
Has anyone else had this sort of problem and what did you do to get it fixed
Thanks
Sigma 1606 DTS
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- MichaelB
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- europa
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Postby europa » Thu Jul 26, 2007 4:41 pm
G'day Rusty, welcome to the peleton.
Usually you have the opposite problem with those O rings - there weren't two sizes were there? A large one for the handle bars and a smaller one for the fork?
Forks get thinner towards the drop outs, so sliding the sensor further up the fork might be a solution.
Swearing a lot won't fix it but it might ease the frustration.
If none of these work, a bit of double sided tape will do the trick (still using the O ring, the tape is just there to add a bit of grip). Failing that, see if you can strap the sensor in place with zip ties.
Richard
Usually you have the opposite problem with those O rings - there weren't two sizes were there? A large one for the handle bars and a smaller one for the fork?
Forks get thinner towards the drop outs, so sliding the sensor further up the fork might be a solution.
Swearing a lot won't fix it but it might ease the frustration.
If none of these work, a bit of double sided tape will do the trick (still using the O ring, the tape is just there to add a bit of grip). Failing that, see if you can strap the sensor in place with zip ties.
Richard
I had a good bike ... so I fixed it
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Postby gsxrboy » Thu Jul 26, 2007 4:46 pm
Random suggestions -
Maybe you could cut up a bit of an old tube and 'line' the inside of the mounting point with it to help with the vibration and to 'thicken' it up a bit to put a bit more pressure on the o-ring. Try a higher position on the fork leg, if possible, where if might be more vibration resistant and it might fit the contour of the wireless sender a bit better.
Edit - mostly beaten with the fork leg suggestion, that will teach me for doing work while foruming :p
Maybe you could cut up a bit of an old tube and 'line' the inside of the mounting point with it to help with the vibration and to 'thicken' it up a bit to put a bit more pressure on the o-ring. Try a higher position on the fork leg, if possible, where if might be more vibration resistant and it might fit the contour of the wireless sender a bit better.
Edit - mostly beaten with the fork leg suggestion, that will teach me for doing work while foruming :p
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Postby Rusty Bucket » Tue Jul 31, 2007 6:45 pm
Thanks for all the suggestions. Swapped to the smaller O-Ring and seems to hold firm after 160km of riding. Thanks again
- tuco
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Re: Sigma 1606 DTS
Postby tuco » Thu Aug 02, 2007 8:34 am
My worry is the O ring will break and there goes the sensor!Rusty Bucket wrote:Hi,
I recently purchased a 1606 DTS and the speed sensor just attaches to the front fork using an O-ring. Trouble is it doesn't seem tight enough to hold the sensor securely. Ultimately vibration causes the sensor to move, usually into the magnet or spokes.
Has anyone else had this sort of problem and what did you do to get it fixed
Thanks
Cable ties rule.
I think we can do better. I KNOW we can do better.
- europa
- Posts: 7334
- Joined: Sun Jul 16, 2006 10:51 am
- Location: southern end of Adelaide - home of hills, fixies and drop bears
Re: Sigma 1606 DTS
Postby europa » Thu Aug 02, 2007 8:37 am
The O rings on the Europa's computer are some years old now and have been moved around a few times (including bike swaps), yet seem to have withstood the ravages of time quite well. I don't think it's a problem though I understand what you mean - I have a similar concern.tuco wrote:My worry is the O ring will break and there goes the sensor!
Richard
I had a good bike ... so I fixed it
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