When you talk about flex on a bike

Richard Hwmb

What exactly do you mean by this.

I have a yeti 575 and I know Fozzy reckons they are quite flexy but I don't really understand what to look out for.

Any ideas?

Thanks

My Yeti 575

http://www.pinkbike.com/photo/?op=list& ... rid=152581

Unknown

stand bike up, grab hold of rear wheel at 12 O'clock and pull it across the frame and see how much the swingarm deflects.

nick
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Richard Hwmb

ah ok, thanks again Nick.

Surely most bikes would have some flex though, would this not be beneficial to some extent or is it better to have a bike with no flex at all?

My Yeti 575

http://www.pinkbike.com/photo/?op=list& ... rid=152581

s_j_pwmb

<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by nicklouse</i>

stand bike up, grab hold of rear wheel at 12 O'clock and pull it across the frame and see how much the swingarm deflects.
<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">

It's 13:17 now, so I'll wait 'till tomorrow to check it at midday [;)]

Unknown

Some of the very early electric bikes had loads of flex.

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Capt. Concussion

<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by Frankie</i>

Some of the very early electric bikes had loads of flex.


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My Orange 5 Pro

Unknown

well if it is flexing like above it will also flex when a pedalling force is applied not to mention if the sus moves at the same time.


But now we come to a HT where Compliance (flex) can be a benifit as it will take some of the buzz out of the trail and in some cases can make a bike feel livly as the back end moves a little bit.

so to sum up IMHO a fully should only move about the pivot axis(s) and a HT can flex a bit.

Some people will talk of a HT Alluminium frame feeling dead as it has not got the inherant (sp) flex/spring of steel.

nick
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