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Location: Rochester, NY
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Bikes: Stewart S&S coupled sport tourer, Stewart Sunday light, Stewart Commuting, Stewart Touring, Co Motion Tandem, Stewart 3-Spd, Stewart Track, Fuji Finest, Mongoose Tomac ATB, GT Bravado ATB, JCP Folder, Stewart 650B ATB
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Do your homework well. With non E bikes this is usually fairly straightforward. Chain ring bolt circle diameter, number of bolts being first to match. But some E bikes use crank based sensors to control the E assist and I don't know if that will change with a ring that's nearly 25% larger.
I assume you're after a slower cadence for the same speed. Andy
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AndrewRStewart