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23rd July 2012
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Senior Chief Master Mechanic 2nd Class
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Join Date: Jun 2011
Location: On a farm
Posts: 1,543 Sportster/Buell Model: XL77.2R Sportster/Buell Year: 2006
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I would suggest longer fork tubes. Fork extender can bring fitting, adjustment and structural problem.
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24th July 2012
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OzChick
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Join Date: Jun 2007
Location: Townsville, NQ, Oz.
Posts: 2,324 Sportster/Buell Model: XL 1200N Sportster/Buell Year: 08 Other Motorcycle Model: Trumpy
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You can "extend" the fork by changing out the internal damper rods. That (and fork springs/preload) is the key difference between the Iron's front suspension and the R for instance. Seraphan6 has a thread that shows that the stock fork tubes are the same length between the various rubbermount models (particularly the R and the N in that thread) and that changing the travel in the front forks is dictated by the length of the damper rod. As far as I know there are at least three different length damper rods: the 1200R/883R/1200C/833C share the one that gives the most travel; the 1200L in between; and the 1200N/883N/883L have the shortest.
I *think* Nitro went with the 1200L damper rod in his build.
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Sportytrace ~ "Orange is the happiest color"
OzChick ~ Riding Nyx
Work/Life Balance? Just work more at Living!
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24th July 2012
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Senior Chief Harley Engineer
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Join Date: Jul 2009
Posts: 1,017 Sportster/Buell Model: Sportster XL883N Sportster/Buell Year: 2009 Other Motorcycle Model: CBR replica minibike
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Thanks for jumping in Trace.
She's right, you just need damper rods from an R or C model. All the fork tubes/sliders are the same. I went from N to L and am now using R damper rods with RaceTech springs. The Ls give you an extra 3/4", the R/Cs give you 2".
If you want to keep using the gaitors they'll work with L length but will leave a gap with the R/Cs. I cut up a couple of pairs of HD gaitors and superglued them together - no issues after a year or so. Or there are cheap aftermarket ones that will do the same.
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"When I was a kid I used to pray every night for a new bike. Then I realised God doesn’t work that way, so I stole one and prayed for forgiveness."
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24th July 2012
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Senior Chief Harley Engineer
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Join Date: Jul 2009
Posts: 1,017 Sportster/Buell Model: Sportster XL883N Sportster/Buell Year: 2009 Other Motorcycle Model: CBR replica minibike
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Quote:
Originally Posted by sportytrace
I *think* Nitro went with the 1200L damper rod in his build.
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I did but now have Rs with straight rate springs and Intiminators - brilliant package - if you've got the legs!  |
24th July 2012
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Biker
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Join Date: May 2011
Location: The Orient
Posts: 69 Sportster/Buell Model: 883 Sportster Custom Sportster/Buell Year: 2005
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Quote:
Originally Posted by Nitro Circus
I did but now have Rs with straight rate springs and Intiminators - brilliant package - if you've got the legs! |
That's what she said |
24th July 2012
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OzChick
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Join Date: Jun 2007
Location: Townsville, NQ, Oz.
Posts: 2,324 Sportster/Buell Model: XL 1200N Sportster/Buell Year: 08 Other Motorcycle Model: Trumpy
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Quote:
Originally Posted by Nitro Circus
I did but now have Rs with straight rate springs and Intiminators - brilliant package - if you've got the legs! |
 Yeah I bet!!! And of course, I wish!
When I re-read your post after I replied I took in the 2" increase and kind of figured you may have changed out to the longer damper while I wasn't paying attention.
I've been thinking about my forks again lately and am getting "needy" for that R damper. Think that will be this summer's project while the monsoons happen. After riding Dan's 1200R last year with the stock setup I WANT that travel and while I know I'll have to be careful, I also know my tiptoes do reach 
Though needless to say I won't be going 14.25" on the back  |
11th August 2012
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Chief Know It All
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Join Date: Nov 2008
Location: Fort Hood, TX
Posts: 443 Sportster/Buell Model: 1200N Sportster/Buell Year: 2009
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Quote:
Originally Posted by Doc Pirahna
I just put 15"s on my Nightster. The bottom of the shock could rub the exhaust if you have a stock one. I just banged a dent on the inside of mine. The belt is apparently rubbing on a part of the muffler interconnect near the front sprocket. I might be able to mitigate this with some adjustment however. I am still running the stock kick stand as well.
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Doc, did you do anything to remedy your belt rubbing the muffler support? I'm noticing the same thing on mine after lifting the back end up with the hybrid shocks. I was thinking of grinding out a notch in the support bracket so the belt doesn't touch it, but I'm not sure it is a good idea because I don't want to compromise the structural integrity of the bracket.
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Dyna bottom mount headlight, RSD Clip Ons, NRHS Hurricane 2" A/C, Hand made Lucite A/C Cover, Screamin' Eagle II Slip ons with BCT Monster Baffles fitted, Whittle Beast Hybrid Shocks-Using the HD 2 up low profile springs, Engine Tuning by me and my TTS.
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18th August 2012
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Senior Chief Harley Engineer
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Join Date: Jul 2009
Posts: 1,017 Sportster/Buell Model: Sportster XL883N Sportster/Buell Year: 2009 Other Motorcycle Model: CBR replica minibike
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Quote:
Originally Posted by Nitro Circus
I wanted 15" shocks, but 14.25" is the longest you can go before the belt touches the rear brake bell housing.
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Correction, you can run 15" shocks with stock exhaust/slipons. You just gotta space out the crossover pipe bracket, the rear brake bell housing is fine and it stops the belt rubbing. Don't ask, but I broke two exhaust screws finding this out...  |
29th August 2012
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Biker
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Join Date: Jul 2012
Posts: 29 Sportster/Buell Model: 48 Sportster/Buell Year: 2012
Reputation: 10
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Whats the cheapest Online store to pick up Progressive shocks?
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30th August 2012
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Chief Know It All
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Join Date: Nov 2008
Location: Fort Hood, TX
Posts: 443 Sportster/Buell Model: 1200N Sportster/Buell Year: 2009
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Quote:
Originally Posted by Nitro Circus
Correction, you can run 15" shocks with stock exhaust/slipons. You just gotta space out the crossover pipe bracket, the rear brake bell housing is fine and it stops the belt rubbing. Don't ask, but I broke two exhaust screws finding this out... |
What do you mean by space out? |
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