The Fork Is Not Corrected For Suspension

Postby 1mad-dog on Thu 4/Nov/10 11:35am

Define please - bearing in mind I'm no techo

Picking up a Raleigh xxix today and I have noted this comment in online reviews. The bike is currently fully rigid, but the LBS that I am purchsing from assures me that they can fit a 29er fork to this bike.

I'm going to try it out for a while as a rigid, but think it highly likely that I will need some suspension up front (I am old and somewhat fragile at the best of times)
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Re: The Fork Is Not Corrected For Suspension

Postby pissface on Thu 4/Nov/10 11:41am

a rigid fork that is lengthened a bit over standard, to emulate the frame front height that would be found if the bike had suspension forks, to make sure that the head tube angle is appropriate for the designed intended operation.
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Re: The Fork Is Not Corrected For Suspension

Postby sifter on Thu 4/Nov/10 11:44am

1mad-dog wrote:Define please - bearing in mind I'm no techo

Picking up a Raleigh xxix today and I have noted this comment in online reviews. The bike is currently fully rigid, but the LBS that I am purchsing from assures me that they can fit a 29er fork to this bike.

I'm going to try it out for a while as a rigid, but think it highly likely that I will need some suspension up front (I am old and somewhat fragile at the best of times)


There's no appreciable gap between the tyre and the fork crown (unlike if you had a suspension fork, there'd be approx 100mm+)

I have one of these bikes and transformed it by putting a White carbon fork (currently about $320 landed) http://www.wiggle.co.uk/white-brothers- ... igid-fork/ Shaved close to 500g off the bike and much nicer ride...
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Re: The Fork Is Not Corrected For Suspension

Postby Conners on Thu 4/Nov/10 11:45am

I would take "The Fork is not corrected for suspension" to mean that it has a shorter axle to crown distance than a suspension fork?
What you really need to know if if the frame has geometry which allows for running a suspension fork. As a rule of thumb, an inch of extra travel (or more accurately axle to crown distance) slackens the head angle out by about a degree, which can make a noticible difference to the bikes handling.
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Re: The Fork Is Not Corrected For Suspension

Postby Conners on Thu 4/Nov/10 11:52am

What those guys said - sorry I'm having intertube issues today...
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Re: The Fork Is Not Corrected For Suspension

Postby great uncle bulgaria on Thu 4/Nov/10 1:47pm

fascinated.
why the belt drive?
rear drops look fixed too whydat?
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Re: The Fork Is Not Corrected For Suspension

Postby Conners on Thu 4/Nov/10 1:56pm

great uncle bulgaria wrote:fascinated.
why the belt drive?
rear drops look fixed too whydat?

Well I'm confused. :blink:
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Re: The Fork Is Not Corrected For Suspension

Postby great uncle bulgaria on Thu 4/Nov/10 2:08pm

so am i
this is what i got
http://www.raleighusa.com/bikes/mountain/xxix-11/

?different model
apparently the forks on this are suspension corrected
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Re: The Fork Is Not Corrected For Suspension

Postby great uncle bulgaria on Thu 4/Nov/10 2:09pm

so confused i need to go for a ride . . . . :D
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Re: The Fork Is Not Corrected For Suspension

Postby Jim on Thu 4/Nov/10 6:43pm

Change of subject here.

Dude, you have the name, great uncle bulgaria, yet have a picture of Ken Dodd.


Oh yeah, as you were.
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Re: The Fork Is Not Corrected For Suspension

Postby great uncle bulgaria on Thu 4/Nov/10 7:34pm

Yeah
I was really bummed out when I heard the name Princess Diana had been used. :huh:
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Re: The Fork Is Not Corrected For Suspension

Postby Jim on Thu 4/Nov/10 8:18pm

Still does not explain Ken Dodd.
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Re: The Fork Is Not Corrected For Suspension

Postby Oli on Thu 4/Nov/10 8:40pm

Nothing explains Ken Dodd! :D
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Re: The Fork Is Not Corrected For Suspension

Postby yak71 on Thu 4/Nov/10 8:43pm

1mad-dog wrote:Define please - bearing in mind I'm no techo

Picking up a Raleigh xxix today and I have noted this comment in online reviews. The bike is currently fully rigid, but the LBS that I am purchsing from assures me that they can fit a 29er fork to this bike.

I'm going to try it out for a while as a rigid, but think it highly likely that I will need some suspension up front (I am old and somewhat fragile at the best of times)

Basically putting a suspension fork on this frame changes the way the bike feels geometry wise. I've got one and tried it with a suspension corrected fork and the bike felt a bit weird - a bit 'floppy' and chopper like. Some people may not notice too much difference though. I am fussy.
I, like Sifter, put on a carbon white bros fork which was a huge improvement in weight and handling over the stock steel fork.

The xxix's came out with a suspension corrected fork in 2010 but the geometry of the frame was the same as the earlier models so it definitely can be done. Likewise the geared version of the xxix had a squishy fork but the frame is identical to the rigid ss model.

On a side note the 2011 xxix has got new geometry. It has really long chainstays to fit the belt drive, not too sure if anything has changed at the front.
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