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Author Topic: How do/should I increase dampening  (Read 3450 times)

brad c

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How do/should I increase dampening
« on: September 21, 2005, 02:28:57 am »
I weigh 160 and have an evo 2 which seems to be much the same as the 4000 and the 856.  I'm recieving a crosslink today that uses the nr-1 and I believe the swingarm also uses an nr-1 but I can't find any identifying marks on the rear shock.  I'm a pretty aggressive rider and I preffer speed to precision when the trail gets nasty.  I'm an old mx-er and I'd rather go over than through.  Does this mean stiffer spring and or more damping?  Or do I have this backwards?  If I need more damping, how do I do this on the nr-1s?  P.S.  I know it can only be done internally...I just wanna know how.  
« Last Edit: September 21, 2005, 02:31:39 am by bdizo »
K2 evo, marzocchi mx comp, fsa cranks with mega exo BB, fox talas rear shock, cane creek aeroheat wheels.

Simon

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Re: How do/should I increase dampening
« Reply #1 on: September 21, 2005, 06:35:28 am »
First thing,
try it it may be fine for you,
to be honest from the sort of riding you do the cross link may not be your best choice of fork,its more a XC/Single track fork,
anyway first thing check the sag front and rear, for your sort of riding I'd set the sag at 25%-35% of shock stroke if this can be achieved without using more than 3 turns of the pre-load adjuster then the spring rate will be about right for you,should you have to use more/less
then you may have to look into getting a lighter/harder spring,
once you got the correct spring then you can look into getting the damping right for you,
however as the Nr1 is not rebound or compression adjustable you may have to have the oil weight changed or have it custom valved by a specialist,though it can be done DIY I believe it is nitrgen charged and needs special tooling.
I also believe there may be instructions on a Nr1/Nr2 re-build in the files section.
Simon.
 
856 FAUX BAR,Fox float,formula B4, Hope Ti,Raceface,FSA ISIS Ti,WTB Ti,Mega-air,XTR,Easton ct2,Easton monkey lite SL,Easton EA50,Goodridge Hoses,Eggbeaters,Ti bolts,DT swiss,

brad c

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Re: How do/should I increase dampening
« Reply #2 on: September 22, 2005, 01:42:13 am »
thanks.  you were dead on.  I dialed the fork in as recomended and the little guy works like a champ.  The front and rear are so perfectly matched in their bound and rebound I maybe I should pinch myself.  I'm hitting the trails today so we'll see if you're right about the style of fork or if I exaggerated my riding style. It was so much work to get the old front end to go where I wanted I just bulled through whatever was there...I have to stop writing now so I can ride.
K2 evo, marzocchi mx comp, fsa cranks with mega exo BB, fox talas rear shock, cane creek aeroheat wheels.

brad c

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Re: How do/should I increase dampening
« Reply #3 on: September 22, 2005, 02:52:37 am »
let me rephrase that...I hope you're mistaken BECAUSE I  miss-stated my riding style...not cause you're wrong.  I was trying to express my desire to keep the fork.  thanks for the help
K2 evo, marzocchi mx comp, fsa cranks with mega exo BB, fox talas rear shock, cane creek aeroheat wheels.

Simon

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Re: How do/should I increase dampening
« Reply #4 on: September 22, 2005, 05:06:22 am »
Hey, your happy with it and in the end thats all that counts,glad its worked out for you  [smiley=nod.gif]
Simon.
856 FAUX BAR,Fox float,formula B4, Hope Ti,Raceface,FSA ISIS Ti,WTB Ti,Mega-air,XTR,Easton ct2,Easton monkey lite SL,Easton EA50,Goodridge Hoses,Eggbeaters,Ti bolts,DT swiss,

rapiddescent

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Re: How do/should I increase dampening
« Reply #5 on: September 23, 2005, 12:22:34 am »
cool.  don't take the nr-1 apart.  as simon says, it is nitrogen charged - however, there is a valve pin that is under quite a lot of pressure.  a chap from ultrasport (ex-proflex UK) told me that one of their riders took one apart in a race car park and the pin exited at such velocity it went through the car roof.

not sure whether to believe that!!!

callum
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brad c

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Re: How do/should I increase dampening
« Reply #6 on: September 23, 2005, 01:47:44 pm »
I hit the trails several times this week on my new fork and I love it!  It's not as plush as my previous fork but I feel like I can flick my bike around a heck of a lot more.  I do get beat up a little more on the rough stuff but  I can definately get up and down the hills faster...especially up.  don't really know why, maybe I'm just getting better.  Never mind that the fork looks cool as sh@#.  
K2 evo, marzocchi mx comp, fsa cranks with mega exo BB, fox talas rear shock, cane creek aeroheat wheels.