Is it safe to use a Fox Talas 32 RLC at its full travel (140mm) on a Turner Burner, or must I keep the fork at the recommended 100-120mm range?
Thanks!
Thanks!
Is 140mm travel safe to use on a bike spec'd at 100-120mm?
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boren
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4,932 Posts
Probably wouldn't be a big deal but the frame geometry starts getting a little weird when you run forks outside of the recommended range. BB gets high, HA gets a little too slack. I doubt it would be a safety issue as long as you're still using it for XC style riding, just no hucking.
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2,502 Posts
There really isn't going to be any damage. According to RC Richard Cunningham adding or subtracting an inch front or rear won't adversely change geo.
However the folks at Turner don't like that. Or Intense. If a crack occurs they won't wanrranty
the frame.
However the folks at Turner don't like that. Or Intense. If a crack occurs they won't wanrranty
the frame.
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10,106 Posts
An inch definitely changes geo, you'll notice the second you ride it.
You can "potentially" damage the head tube, worst case shearing it off. I think this possibility is very overstated; that failure is really uncommon.
The talas rides a bit saggy too, its not a high riding 140mm fork.. might feel a lot like a 130mm fork.
You can "potentially" damage the head tube, worst case shearing it off. I think this possibility is very overstated; that failure is really uncommon.
The talas rides a bit saggy too, its not a high riding 140mm fork.. might feel a lot like a 130mm fork.
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13 Posts
It is highly unlikely you will damage your headtube. I have only seen people speculate about that happening, but never ever seen someone actually have that damage occur.
My friend put a 140mm on his frame rated for an 80mm to 100mm. I think it looks crazy, but he loves it...
I recently put a 130mm Vanilla on my Anthem, and found myself falling backwords on steeper climbs. This evening I pulled the spacers out and put in a 20mm. 110mm of travel now, and the geometry changed a lot from when it was a 130mm. My test ride is first thing in the morning, and I can't wait. I also put a mixture of 5wt and 10wt suspension fluid in the shock. Heard its awesome! Incredibly easy to do all this.
My friend put a 140mm on his frame rated for an 80mm to 100mm. I think it looks crazy, but he loves it...
I recently put a 130mm Vanilla on my Anthem, and found myself falling backwords on steeper climbs. This evening I pulled the spacers out and put in a 20mm. 110mm of travel now, and the geometry changed a lot from when it was a 130mm. My test ride is first thing in the morning, and I can't wait. I also put a mixture of 5wt and 10wt suspension fluid in the shock. Heard its awesome! Incredibly easy to do all this.
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426 Posts
FWIW I bought a bike here on classifieds and turns out the head tube is slightly ovalized on the top probably from hucking it off a drop. Its a very slight issue but I may opt to have it ground down a bit to try to get past that part or something. It can happen. I doubt you'd get catastrophic failure unless you are really cranking up the jumps.
Thanks for all the comments.
I don't jump with my bike, so I assume it should be safe enough to use 140mm when descending the more bumpy hills. I don't expect to use it as a general setting, but it's good to know it's likely to be safe when used on occasion.
I don't jump with my bike, so I assume it should be safe enough to use 140mm when descending the more bumpy hills. I don't expect to use it as a general setting, but it's good to know it's likely to be safe when used on occasion.
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678 Posts
I don't know about other manufactures but when asked, Specialized states that their frames are good for 20mm past their factory travel. Beyond that & it'll void the warranty.
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