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Dirt Jump Bike Questions........


caddis

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I was browsing on e-bay wen i noticed the dmr trailstar with those large front forks fitted (sorry i dont know what they are called)

ae_1_b.JPG

Is it possible to fit these type of forks on the dmr rythm or on a 24 seven bike.Would i still be able to do dirt jumping with these on and would i get more height.

All help appreciated.

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Hiya, they are double-triple clamp forks.

Yes it is possible to put those on the bikes you mentioned, but whether it would affect the geometry I dont know. Those types of forks tend to be longer and hence slacken the head angle. Due to the extra length they can also put more stress on the headtube of a bike, which is not ideal!

There is no need for them for dirt jumping, you will no longer be able to fully cross up or bar spin, they can damage the frame in a crash and, no they wont help you get any higher!

I would advise against it personally,

~Gareth

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If you land bad it will rip out the head tube as they put to much force on the head tube.

Also it will mess up the geo so making the bike harder to jump.

You would be able to put them on a dmr rythem but you would have to have a disk, also because the rhythm has 24" wheels it might keep the geo the same. But it could still rip out the head tube.

So don't.

Thanks Sam

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They are triple clamp forks, mainly used for DH only, cause they spread the stress out on the forks, so if you fit a big rock at 30MPH it wouldn't snap the stantions.

They are rock shock Judys i think, they aren't meant for dirt jump, just get some dirt jumpers or something that are lighter and haven't got as much travel :)

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they are double-triple clamp forks.
:)

They are old school rock shox judy xl's.

  If you land bad it will rip out the head tube as they put to much force on the head tube.

No they won't the fork's arent' strong enough to do that and they only have 120mm of travel. :lol:

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Sorry about so many questions its just i have no experience with these bikes and i am hoping to get into it.

What do you mean by travel?

So would only a full sus frame be best to go with the triple clamp forks.Also with downhill bikes can i still go up jumps and pull some tricks.

:)

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Travel is the distance the forks can compress to take the bumps out. More is better if you intend to go hurtling down hillsides....

Any strong frame will take those kind of forks.

There were a few pics in mbuk a while back of a lad doing backflips on an orange 222, just to show what can be done (I think his name was Glen Coe)

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I have just been browsing at the marzocchi freeride forks,would i be able to fit them onto a dmr etc.

I just looked in one of my recent mbuk mags and there was someone who had this on a 24 seven le toy bike.

One last thing,would an identiti dr jekyl be a strong nough frame to have triple clamp forks on it.

all help appreciated.

Edited by caddis
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:)

They are old school rock shox judy xl's.

:lol: back! As far as I am aware they are double-triple clamp forks (commonly abbreviated to triple clamp), a clamp above the headtube and one below, each clamp having 3 holes (one for each fork leg, one for the steerer tube). I read his post as asking what type of fork they are, to which I answered :">

~Gareth

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I have just been browsing at the marzocchi freeride forks,would i be able to fit them onto a dmr etc.

I just looked in one of my recent mbuk mags and there was someone who had this on a 24 seven le toy bike.

One last thing,would an identiti dr jekyl be a strong nough frame to have triple clamp forks on it.

all help appreciated.

ive got pair of freerides kicking around spare (changed to jnr t's) erm i wouldn't put them on the sidekick, hang on ill check for the trailstar lt and ill let you know.

EDIT: Ok, make sure on dmr site taht the frame your getting can handle taht amount of travel, alot of the dmr frames have a standard on then a lt (long travel) for example, trailstar and trailstar lt, make sure you get the right one for the fork you want.

Edited by Ingram
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One last thing,would an identiti dr jekyl be a strong nough frame to have triple clamp forks on it.

all help appreciated.

why do you want triple clamps on a dj bike, theres a kid round here who has them on his bike, it rides shit cos of the 50000" of travel he has, and also the fact they raise the front of the bike about a mile higher than it would be usually.

sieriousley single crown forks will preform and look loads better. if you look at the pro riders no one is using tripple clamp (or double crown) forks as they rule out the option of cool tricks like barspins and x ups also heavier and makes bike ride like shit as mentioned above.

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not alot people relise a good pair of single crown forks are strong than triple clamp, also as mathuds was saying it will raise your bike and make it ride like crap, itll feel horrible when you hit the take off of a jump, and it will be way uneven weighted.

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the z1 freerides have a aluminuim steera tube, not good for jumping, you can get steel one put on but its pricy i think. other than that, as long as the frame will take it, i dunno how strong freeride forks are to say dirtjumpers.

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Yeh, Marzocchi Dirt Jumper's are good for dirt jumping.

As has been said many times, triple clamps are designed for DH bikes.

The Rock Shox Pike forks are also good for dirt jumping.

If you want slightly more freeride oriented, get some Marzocchi Z1 Wedge forks (if you can still find them :)), i've been running these for years and they have been excellent.

However there is slightly too much travel (130mm) and slightly too soft for full-on dirt jumping.

For a Rhythm frame, you'd be best off limiting yourself to forks around the 110mm mark.

Anything over that will start to make your bike ride shit.

Dirt jumping requires a relitively hard fork, with slow rebound.

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ok, get somethig from the dj range by marazocchi. you can get them very cheap off ebay. they will last ages and provide good plush suspension with enough travel and not effect geometry too much. they also look very cool.

if you need more info add me on msn so i can explain this to you

Edited by mathuds0
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:) back! As far as I am aware they are double-triple clamp forks (commonly abbreviated to triple clamp),  a clamp above the headtube and one below, each clamp having 3 holes (one for each fork leg, one for the steerer tube). I read his post as asking what type of fork they are, to which I answered  :">

~Gareth

Wrong: They're either called "Double crown" because of the "Double crown", or "Triple clamp" because of the 3 clamps :lol:

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