Yes, but a tiny minority of bikes use those, and the product is meant to go on existing bikes. Also, even on hub-geared bikes (or single-speeds) you’d still need to switch to a longer chain or significantly move the rear wheel to be able to mount the powered sprocket in the right place, so that it wouldn’t skip.
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Yes, but a tiny minority of bikes use those, and the product is meant to go on existing bikes. Also, even on hub-geared bikes (or single-speeds) you’d still need to switch to a longer chain or significantly move the rear wheel to be able to mount the powered sprocket in the right place, so that it wouldn’t skip.