CrankSmith
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Choose Your Weapon

The ultimate toolbox for the modern cyclist. Optimize, analyze, and obsess.

The Drivetrain Lab

Gear Metrics

Analyze ratios, speed, and climbing capability. The ultimate reality check for your drivetrain.

The Scale

Weight Weenies

Gamify your gram obsession. Calculate cost-per-gram saved and simulate upgrades.

Start a New Build

The Workshop

The core builder. Validate compatibility across thousands of parts and standards.

The Contact Patch

Tire Pressure

Optimize for speed or grip. Advanced calculations for rim width and casing suppleness.

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