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• #452
Wait - did you build the bike around a pair of shoes
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• #453
Seems legit.
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• #454
Those bottles...
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• #455
Very nice.
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• #456
Wait - did you build the bike around a pair of shoes
No. This isn't DBAD!
Nice idea though.
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• #457
Those bottles...
I like these bottles. I have ... foibles.
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• #458
Very nice.
Thanks.
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• #459
This isn’t DBAD!
Yet
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• #460
That sock and shoe combo wouldn't cut it in the trainers thread.
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• #463
First time for me yesterday: descending no handed on this bike at about 30mph on a slightly rough surface and got a speed wobble or shimmy on the front end. Mildly shit myself and then slowed to a stop.
Checked the bike over, all fine. Nothing mechanical. It will probably be a characteristic of the bike geometry and material elasticity.
On the same ride I had descended faster with hands on bars on a smoother surface and had no problem.
Something to keep in mind.
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• #464
It's probably you rather than the bike.
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• #465
I've had speed wobbles on a steel bike and on my aluminium bike.
Mainly it's because I descend like a blouse. -
• #466
It's probably you rather than the bike.
My geometry and material elasticity?
Probably.
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• #467
Yeah, it can happen with any frame material. Seen videos of it on carbon too.
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• #468
My old steel commuter would do it just riding along no handed - I think it was exacerbated by being fixed so the power/flex (such as there was) would come at the same time each time.
I think its also made worse by bigger frames in light steel which is presumably thinner over a longer length than a more compact frame.
Glad you're enjoying the frame, its been a fun build to follow, and those shoes!
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• #469
Ah. The shoes.
I live for the shoes.
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• #470
I recommend leaving your hands on the bars whilst descending.
Nice bike Matt.
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• #471
Good advice.
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• #473
Have you checked the headset? If it's too tight or too loose, that can cause speed wobbles.
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• #474
Yep. First thing I checked when I stopped.
Esp since it came loose on my first proper ride on the bike (after being somewhat slapdashly installed by me and then adjusted by @hillbilly - neither of us come out of that story very well.) I was in Kingston at the time so the nice people in Sigma Sport did it up properly. (Blows kisses at Jim)
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• #475
I've heard there's a trick for preventing speed wobble that involves installing one set of bearings on the headset upside down.
NB rest of forum: this is a joke.
To reiterate. I fucking love this bike.