555 Tools Lab

Tools built for riders who want data, not guesswork.

Range, battery, pressure and cost - built for real conditions, real limits, and real decisions.

Range

Real-world range model based on rider, speed, terrain, weather and battery.

Calculate

Battery

Build and analyze battery packs cell by cell. Pick chemistry, define S/P, get full specs.

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Tire pressure

Calculates tire pressure from weight, wheel, terrain and riding style.

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Ride cost

EUC vs car vs transit vs e-scooter. Real TCO with electricity, depreciation, gear and CO2.

Calculate