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Replace suspension fork on Specialized Crosstrail

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Replace suspension fork on Specialized Crosstrail

Old 08-24-11, 03:01 PM
  #1  
neilheeney
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Replace suspension fork on Specialized Crosstrail

Been riding a 2010 Crosstrail Sport Disc since September of last year and after 1,400 miles I've decided that I love the bike but could do without the suspension fork as I'm on the road 90% of the time and even though its locked-out most of the time its just added weight. I don't want a new bike, just tune mine up so its a little more "road worthy." Already replaced the 700x45 tires with 700x32's and now want to replace the fork. Was hoping to get some suggesstions on what fork I need. I was hoping to get a carbon fork to help dampen some minor road vibrations. Any specific suggesstions? Size? Brand? Thanks in advance.
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Old 08-24-11, 04:00 PM
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I was in your exact same situation with my DS 8.3. With your suspension fork, you'll need a long fork so you don't mess up your geometry. A 29er will probably be the best fit and easier to find than a suspension corrected one. Since you've got disc brakes, it won't matter that the canti brake mounts don't line up correctly. I'd recommend the Kona Project 2 29er. That's the fork I went with. It's fairly light and fits really well. Plus it's only 30 bucks! https://www.bikeman.com/KON-P2CANTIDISC29.html
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Old 08-24-11, 05:48 PM
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As far as I know, the current Crosstrails (2010, 2011) are in effect '29er light' bicycles. So as said above, any rigid fork that is '29er specific' will work; you're looking for an axle-to-crown measurement of around 470 mm (give or take), carbon or steel. That will pretty much preserve the intended geometry.
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Old 08-24-11, 07:45 PM
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GarthW can you post a picture of your 4.3 with the kona fork? I like my suspension fork but I am curious to see how a trek DS looks as a rigid bike
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Old 08-25-11, 07:38 AM
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I'll post a picture as soon as I get back to my house.
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Old 08-26-11, 08:24 AM
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Here's my rigid fork on my DS 8.3
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Old 08-26-11, 08:32 AM
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Nice bike! The new fork looks like it belongs there.
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Old 08-26-11, 03:34 PM
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That looks good, did make a big difference over riding with the original fork when it was locked out? How much lighter is it?
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Old 08-26-11, 09:01 PM
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GarthW
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It's about 3 pounds lighter. It feels much better too. Even with the old fork locked out, the old fork had a little bit of movement and sort made a clicking noise when going over a bump. The rigid fork does feel lighter on the bike and seems to respond better. Overall I think it's better in every way. To the OP, I think it's a great idea to switch over to rigid.
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Old 08-27-11, 11:34 AM
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Great thread here's mine

lol Funny I just finished my crosstrail too. I bought it two months ago and did this change over. I love it even more now. I got the fork off ebay
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Old 08-27-11, 01:07 PM
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Originally Posted by tom d View Post
lol Funny I just finished my crosstrail too. I bought it two months ago and did this change over. I love it even more now. I got the fork off ebay
Maybe I'm wrong, but your geometry doesn't look right at all. From that picture, it looks like your pedal is going to hit the ground when just riding on flat ground.

Last edited by GarthW; 08-27-11 at 04:32 PM.
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Old 08-27-11, 03:26 PM
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I don't think you are wrong, looking at the top tube effective angle and the pedal to ground clearance. Looks pretty scary.

It looks like a road fork and as you said, it needs a 29er mtb fork.
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Old 08-27-11, 06:45 PM
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tom d
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hmm

Actually the rear tire is flat (Bad valve just havent gotton to the bike shop yet for a tube don't feel like using the spare.) And i did take it for a quick ride and it seems great to me. But I do see your point I didnt realize they make a 29r rigid fork. I may considerit after a good long ride. Ill take a better pic tommorw. I do appreciate the initial comments.
The pedals to not touch the ground It does look like it though even with an inflated tire in the rear.

thanks
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Old 09-15-11, 04:30 PM
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tom d
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Okay lesson learned. geometry sucks. Pedal will hit if I'm not careful. Anybody have any sources for a 29er rigid fork? The link in the above posts I noticed is out of stock.

Thanks
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Old 09-16-11, 08:54 AM
  #15  
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There's a bunch of other ones on Bikeman. Unfortunately none of them are going to be as great a deal as that P2 one. I would suggest ordering it and waiting or you could order that 29er P2 from another website, but it's usually around $70 instead of $30.
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Old 09-16-11, 02:41 PM
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tom d
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thanks

Yeah I just submitted a best offer on ebay for a Surley Monkey fork. It has very close to the same dimensions. If that doesnt work out perhaps I'll just spend the extra cash.
Thanks!!
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Old 09-16-11, 02:57 PM
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Not on the bike you have in question but I did the "fork swap" for my old Fuji Monterey 3.0 and it really improved the road handling, well that at going to 700cX32 instead of 700cX50 tires!! Good luck!

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Old 09-17-11, 06:57 PM
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That looks good man!!
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Old 09-18-11, 03:29 PM
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irclean
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I recently did two rigid fork swaps:

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Old 06-02-13, 09:55 PM
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Guess this is a pretty old thread, but fitting because I'm wanting to do this on my 2011 Crosstrail. The pictures (minus tom d's) all look about the same as the original, so that's comforting. I did a lot of research on SR Suntour's website for the stock shock and found that what they care about and measure is not how most shocks are measured. I'm kind of stuck on whether to go cheap or spend a bit more to get something nicer. These are the two I'm leaning toward and stock fork for comparison:
- SR Suntour SF11-NVX 700c, 2600g: https://www.srsuntour-cycling.com/dst...-NVX+700C.html
- Voodoo Zombie 26/29, $75, 470mm, 1430g: https://www.bikeman.com/BTI-VD9526.ht...FYEc4QodKHcAdA
- Surly Karate Monkey, $110, 468mm, 1220g: https://www.universalcycles.com/shopp...ls.php?id=6940

Either way it looks like I'm set to lose over 1200g or 2-1/2 lbs. Also, it lists the steerer length, how much of that have you all cut off when you did your conversions?
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Old 06-16-13, 07:37 PM
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And ended up going with the Karate Monkey for $85 shipped. Here's some pics including the weights of the stock fork and the new one (uncut shown). I cut around 2 to 2-1/2 inches of the steer tube to match the old one which dropped the weight another 0.15 lbs (to around 2.45lbs). VERY happy with the swap!
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Old 06-16-13, 08:57 PM
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thinking about doing this with my DS 8.2 as well.....love the bike, but not feeling the front suspension
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Old 06-17-13, 10:36 AM
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Originally Posted by stevenlsmith87 View Post
thinking about doing this with my DS 8.2 as well.....love the bike, but not feeling the front suspension
Just measure your current fork and search for a "suspension corrected" rigud fork that is about the same length. For mine it was 465mm and I can't tell any noticeable difference in ride height. Only thing I had to do was reverse the thick/thin shim on my brake pads because the Surly was designed for wider tires and therefore has a bigger gap.
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Old 06-17-13, 01:56 PM
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I just bought the Surly Cross Check to replace the suspension fork on my trek 7100. I'm hoping it isn't to short and throws off geometry. The current suspension fork is 456 with 50mm of travel. The Surly fork I bought is 400MM I figured if you subtracted the 50mm it would be damn near good enough. I should be getting it in today, so pictures will follow on another forum. I already changed out my threaded headset, that was easy.
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Old 06-25-13, 08:08 AM
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Well a 400 mm fork will drop you around 30-40 mm from your stock unless your front suspension is always completely compressed. Hopefully this doesn't result in something like tom d's (above pic). Post a shot when you get it installed!
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