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Farkham Hall - Calculate Speed in Gears for Tyre Size & Sprocket Combo for Leytonstone, Wanstead, Snaresbrook

Welcome to the Farkham Hall Gear-u-lator. Login to manage your bikes and options, and calculate your gearing for unlimited sprocket and tyre combinations. No account yet? Just sign up, it only takes a minute. Members can store information on any number of bikes with any combination of tyre, front and rear sprocket to compare effects on gearing and speeds in gears.
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