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Old 01-27-11, 11:36 PM   #1
Dannihilator
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Oooh, I like.

http://dmrbikes.com/?Section=page&p=...cts&newsid=211

I may have to get one.
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Old 01-28-11, 12:45 AM   #2
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Interesting. Not many people doing concentrics any more. Lenz and Rotec are two that come to mind. Hinged dogbone is a unique approach too.
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Old 01-28-11, 12:50 AM   #3
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Black market has a concentric with the killswitch
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Old 01-28-11, 12:54 AM   #4
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That's right. I think I like the looks of the DMR better. I know the Killswitch probably works fine - - just looks odd.

Gotta ask at this point though: why not go with a Bottlerocket or Double and be done with it?
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Old 01-28-11, 01:02 AM   #5
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Won't fit on my bike rack and that I don't exactly have the best luck with aluminum. Which is why the Bolt is intriguing to me.
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Old 01-28-11, 06:46 AM   #6
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Hinge looks excessive and just one more bushing/bearing to loosen up.
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Old 01-28-11, 11:23 AM   #7
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In thinking about this more, when you have a fixed swingarm, you have to have some kind of hinging in the swing-link - - or have pivots or flex in the seatstays (like the Yeti AS-Rs and 575s). Any way you do it, there's going to be pivots and bearings.

Looking back at my AS-X, it had a small dogbone that attached the shock to the swing-link; so it too was actually a sort of scissor:



And, yes, I had to replace some bearings once; but they were standard industrial cartridge so I got them pretty cheap at the local bearing supply.
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