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Old 01-20-08, 04:47 AM
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Originally Posted by ang1sgt View Post
Really Early MTB LX or XT stuff had 5 arms on the gears. This must have been early 4 arm stuff in the mid 90's I'd say. They made a few of these riveted wonders and they had WAY too many complaints when the chainrings wore out.

Unless you can get a really good pic of the teeth, it's best to stay away from these.

I shudder just thinking about these!

At first glance, I thought the big ring was bolted on not riveted. Does that mean the spider unbolts from the crank arms in order to change the big ring? Didn't Shimano have a similar system on 4 arm XTR cranks? Pictures I've seen of the XTR, early version, showed the big ring almost looking like it was part of the spider. I'm thinking Shimano is changing stuff just keep the aftermarket parts guys out of business.

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