Simple fast and to the point... Calculate your gear, roll out, and speed or time over a fixed distance given cadence.


Support Black Dog Pro Cycling and the awesome sponsors who help Black Dog riders go fast!!

Instructions:
- On the first "GEARS" Tab view enter your Chainring size, Cog Size, and Tire Diameter
- Your gear and rollout will be immediately displayed below
"std" gear reffers to the name this gear is commonly given. this assumes an unrealistically large tire ~29mm. This is not an accurate measure, but is the name commonly used.
"actual" gear is mathematically correct gear size using whatever tire diameter is input
"roll out" is the linear distance the bicycle will travel for one full pedal revolution in inches or millimeters.



- On the second "SPEEDS" Tab input your cadence.
- Based on the gearing sellected on the gear tab, speed in meters per second, kilometers per hour, and miles per hour will be displayed.
- Times for common length races based on this speed are also displayed. 200m, 250m, 333m, 1000m, 4000m, and 16000m.