Thread: Shimano FFS/Positron 2 upgrade
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Old 09-08-16 | 12:19 PM
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dsbrantjr
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Bikes: '93 Trek 750, '92 Schwinn Crisscross, '93 Mongoose Alta

Originally Posted by HillRider
It's downside was that the chain was moving when the rear wheel was rotating even if the crank was stationary. A lot of unwary riders and mechanics got fingers caught in the chain when they forgot this.


This alone would make it a non-starter for me. YMMV.
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