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Chain slack/Axle adjustment


Tpoppa

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So...all these tips and techniques to align the rear axle...none of which would be needed with a fixed axle and a tensioner.

I still wonder why doesn't this exist w/chain drive :dunno

you make a good point.

I've always done the string measurement using as much length as possible though. The more you have, the more obvious small changes in angle are.

I was taught to tape the center of the string on the tire, then rotate that portion of the tire to the front of the swing-arm, and extend the string backward, anchoring the free ends to jack-stands, or something similar.

You're essentially extending the plane created by the edge of the rim, and thus seeing exactly where your back wheel is "pointing." Perfectly straight forward is the goal.

the longer the string, the more precise you can (try to) be.

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