Precision Cycling Engineering
CrankSmith
Forge The Perfect Ride
The ultimate toolbox for the modern cyclist. Validate compatibility across thousands of parts, optimize gear ratios, and engineer your dream build.
5,000+
Parts in Database
Real-Time
Compatibility Validation
Free
Forever. No Catch.
Your Toolkit
Precision Tools
Start a New Build
The Workshop
The core builder. Validate compatibility across thousands of parts and standards.
The Drivetrain Lab
Gear Metrics
Analyze ratios, speed, and climbing capability. The ultimate reality check for your drivetrain.
The Contact Patch
Tire Pressure
Optimize for speed or grip. Advanced calculations for rim width and casing suppleness.
The Scale
Weight Weenies
Gamify your gram obsession. Calculate cost-per-gram saved and simulate upgrades.
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Thanks for Using CrankSmith
CrankSmith is a one-man project — I'm always working to make these tools better. If you run into a bug, a logic issue, or just have a suggestion, I'd genuinely love to hear about it.
mike@cranksmith.comAlready have an account?
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