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cycling - rohloff gear calculator

Sat R Day Gear Test Form

You can use this form to work out the gearing on a Bike Friday Sat R Day recumbent bicycle that has a Rohloff Speedhub 500/14.

Chainring: 42 41 40 39 38 37 36 35

Jack Outer: 20 19 18 17 16 15 14

Jack Inner: 24 23 22 21 20 19 18

Sprocket: 18 17 16 15 14

Wheel: 16.2 16.1 16.0 15.9 15.8