K2 / Proflex Riders Group
General => Tech Forum => Topic started by: Willie_B on August 25, 2007, 05:09:59 am
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How can I tell by looking? What's the differences between them. I know the 856 has some extra welding. I just don't know where. A photo of the 2 would be really great. My 855 was a shop parts bike for awile before it was put back togeather to sell. Thanks for the help.
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One difference that I know of is that there is a gusset above a weak spot on the drive side of the swingarm. If you look at the drive side, deraillieur cable port near the front pivot, there will be a small plate running above that cable port that helps tie in the 2 tubes. It is not on the other side.
If you don't see it, then it is an early swingarm. Some early swingarms buckled/cracked from the pedaling torque.
You might be able see it on Simon's faux bar.
(http://idriders.com/proflex/galleries/Simon/856_suspension.jpg)
Terry
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can't check right now but I have a feeling my 855 has that weld - maybe it's a later 855?
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I just looked at mine and it has the extra area welded on the top side.
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There's another weird deal on these...
I have two 856's with different swingarm pivot bore centers on the frame.
One was bored in the center of the machined face and the other was off center. I think they changed the swingarm geometry a tiny bit to prevent hitting the downtube. Don't know for sure.
Will
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x56 swingarm will have a strut with a cone depression in the strut.....if that helps...of course you could have a x55 with a x56 strut..check the for sale thread,there may be some pics of x55 and x56 there that show any differences.Any differences will be detail,they are basically the same bike