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- Posts: 121
- Joined: Fri Jan 25, 2008 3:23 pm
- Location: Perth, WA
Can I swap in a suspension front fork as an upgrade? Is there anything about the build of more recent MTB frames that stop me from doing this?
- Posts: 1432
- Joined: Fri Jul 14, 2006 4:37 pm
- Location: Canberra, ACT
A rigid frame's geometry is based around a known, fixed effective length of the front fork. A suspension fork will be longer, so it throws the geometry out of whack. You would end up with the front of the bike too high and the potential for the tyre to bottom out on the downtube when the fork compresses.
That said, I'm looking at a fork upgrade at the moment, and the cost of a decent fork as a single component is scary compared to the cost of a new bike.
Alchemy Diablo - Columbus Zonal tubing, Ultegra 9-speed groupset, UltraGatorskins
Gitane Rocks T1 - U6 tubing, Deore/XT groupset, CrossMarks
- Posts: 247
- Joined: Tue Oct 17, 2006 12:49 pm
- Location: Annandale, Sydney
I disagree, unless you're riding something very specialised, changes to the geometry of the frame will be negligable.
I'm not saying get a triple clamp with 200 mm of travel, that will feel a little funny, but you could easily get 30mm, 50 or even 80 mm of travel up front without any problem. I know because I've done it and have benefited from the change.
Just make sure you know what size steerer tuber you've got before you go buy one.
I recommend you get something 2nd hand off ebay Like a Rock Shox Tora for example. Won't set you back too much.
- Posts: 10
- Joined: Tue Apr 01, 2008 5:52 pm
- Location: Melbourne - Out East
Fixed fork is about 30mm shorter than the suspension fork, no noticeable difference to the geometry when riding though and it's certainly lighter and faster.
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