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180mm or 200mm

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4.1K views 12 replies 12 participants last post by  mtnbiker0755  
#1 ·
So Here's the deal I'm building up a Commencal Supreme DH, and they specc the frame for 180 to 200mm. So I'm looking at the Super T 185mm, Boxxer 200mm, and Marz 888 203mm. I'm wondering how noticeble the change in ride would be with a 180 vs 200mm.

i.e. turn in, stability (at speed and comming of drops), riding through rough stuff. The majority of our course where I ride aren't super technical/rocky so I'm thinking that the shorter fork should turn in a little quicker and be slightly lighter which may be better for the terrain. However, will the change in geometry/travel be really noticable on the rough and rocky course
 
#3 ·
As far as I know 200mm+ is used mostly for downhill, racing etc. and 180mm- is more freeride oriented. less travel will make the bike more responsive at the techstuff but when going fast and dirty more travel is best.
 
#4 ·
rzarikian said:
As far as I know 200mm+ is used mostly for downhill, racing etc. and 180mm- is more freeride oriented. less travel will make the bike more responsive at the techstuff but when going fast and dirty more travel is best.
Cant recall the source, but Ive seen some reporting that says a lot of pros favor a 7" fork setup.

Heresay - maybe someone can confirm or deny. super T is a good fork, if you're comparing RCV to RCV then no biggie, of course the 888 will be stiffer (and has a little better turning radius due to the wider set stanchions.
 
#9 ·
Pro's don't usually need the extra cushion that the extra inch gives, like us mortals need. They don't need the extra degree slacker HA that us mortals need.

That said, it really depends where you ride and how you ride and personal preference. a 180mm fork will give you ~1* slacker HA and drop your BB ~1/2". If your looking for weight, the Boxxer will be the lightest
 
#10 ·
That extra inch does help on the rough stuff; It is very noticable Then again... I have built a fairly light 7inch travel bike (all the way around) that makes me wish I never wasted my time building a 9 inch travel bike.

At seven inches, I'd say that it does handle a bit better.. maybe because it has a lower profile/ center of gravity, whatever... but I wouldn't say theirs a big gap between 180-203 as far as handling goes. A lot of times, what really matters is the frame itself rather than the fork. If your bike is a tank, it will be less evasive no matter what travel fork you slap on it.

You, however, have a VERY nice bike. ( not that I or anyone else need tell you that) and I did have the chance to rip on one for a short time. it had an 888/roco set up/ eight inches up front, with its stalk set up. Riding it made me want to throw my previous bike off a cliff.

Try and get the 888, don't get the boxxer if you can avoid it.
 
#11 ·
Thanks for the feedback guys, as most of you mentioned I'm leaning towards the 8" set up. I am on the East side but make some trips to the rocky debts of Bromont and St. Anne, so the the plushness will help. Not to decide boxer or Marz. 888. Time to do some shoping I guess.
 
#12 ·
Dust_Head said:
Thanks for the feedback guys, as most of you mentioned I'm leaning towards the 8" set up. I am on the East side but make some trips to the rocky debts of Bromont and St. Anne, so the the plushness will help. Not to decide boxer or Marz. 888. Time to do some shoping I guess.
Since you would like to go for a Marz why don't you go for the 888 ATA WC: http://www.marzocchi.com/Template/detailSPAForksMTB.asp?IDFolder=113&IDOggetto=55968&LN=UK&Sito=mtb
You'll have 160mm to 200mm Adjustable Travel at any time within your ride.;)