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Old 03-30-18, 12:58 PM
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A Sturmey Archer 4 speed (like the heavier 8 speed) is 1:1 first & 3 overdrive gears..

Greenspeed in Australia re Machines Sturmey Archer Drum brake front hubs Mostly for their Recumbents, But ..

They also are the Brompton distributor for Australia and rework the SA drum brake hubs to fit a 74 axle width fork..

given the hubs are 36 hole the skipping 1 hole in 3 a 24 hole rim can be used .. (my Bike Friday Tikit does this for its rear IGH)
[Sram i-9]

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