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Old 03-25-11, 11:42 AM   #1
puppypilgrim
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Does a Brompton flex or creak under hard riding?

Wondering if a Brompton creaks or makes noises under hard riding like climbing hills or sprinting.
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Old 03-25-11, 11:47 AM   #2
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handlebar-stem "joint" only. I used to ride a couple of S-Type Bromptons quite aggressively. The only place producing flexy noises was the Al. handlebar (replaced on almost all my Bromptons)
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Old 03-25-11, 12:16 PM   #3
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The bolt that goes thru the rubber suspension piece needs a little grease on it.

hammer heads have the firm suspension elastomer as an option now.

seems putting a hose clamp around the rubber piece was been used, too.
limits rubber expansion as the suspension compresses it in length.

Last edited by fietsbob; 03-25-11 at 12:20 PM.
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Old 03-25-11, 04:45 PM   #4
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I seem to get some creak when pedaling hard out of the saddle, but not more than I would on a full size bike. The frame is a lot stiffer than I thought it would be.
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Old 03-25-11, 05:05 PM   #5
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As a new Brompton owner accustomed to 20" Dahons I'm finding the stem quite flexy. No creaks so far, but the ride is noodley.
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Old 03-25-11, 07:42 PM   #6
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I had my own Brompton for over 5 years now. No sound beyond the soft clicks or ticks of the internal hub in motion.
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Old 03-30-11, 06:41 PM   #7
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I find if I get creaking it's time to get the cranks off and re-grease the splines.
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Old 03-30-11, 06:51 PM   #8
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Crank those T handles on the hinge joints tight enough ,
and it should be sufficiently solid.
any issues and that's the 1st place I check.
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Old 03-31-11, 06:54 AM   #9
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I have the 2-speed Titanium S-Type with the firm rubber block. Absolutely silent while riding... about the only noticeable sound is the free-wheel ratchet while pushing the bike alongside me around the railway station (and I quite like that sound)

The Dahon MU SL's I had squeaked and creaked like a pig.... really embarrassing riding past people (espcialy kids) who would stare and shout comments
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