1970s Sears Free Spirit 10 speed with shimano SE-Disc rear disc brake, basically a flip flop hub with the disc threaded on and locked with a BB lock ring, brake mechanism is also attached to hub with lockring and kept from spinning by attachment to seat stay. What should I do with this thing?
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![3368102631_6b8e4c4711.jpg](https://proxy.imagearchive.com/811/811673a0ceeb2aefe391dab7d04d94a4.jpg)