Stop guessing. Start tuning.

A mobile-first dirt bike setup tool for gearing, sag, suspension, tires and jetting. Free to use, with permanent one-time upgrades.

SAVED BIKES

Free: 1 bike · Pro: unlimited

SETUPS

Your saved setup history

Basic Setup

Rider weight, riding style, gearing, sag, tires and a starting suspension direction.

Jetting Pro

Weather and elevation based starting-point guidance for 2T and 4T bikes.

Build a Setup

Enter what you know. The calculator gives starting points, not a substitute for your bike's service manual.

Bike name

Engine

Rider weight (lb)

Skill

Riding

Terrain

Elevation (ft)

Temperature (°F)

Front sprocket

Rear sprocket

Rear travel (mm)

L1 fully extended (mm)

L2 bike only (mm)

L3 rider loaded (mm)

Current tire pressure (rear PSI)

Current rear shock compression clicks

My Bikes

Free accounts can save one bike. Unlock Unlimited Bikes for $4.99 to save as many as you want.

Own the full toolkit

No subscription. Each upgrade is a one-time purchase. Buy categories individually or unlock everything for $19.99.

Unlimited Bikes

Unlimited saved bikes, setups and history.

$4.99

Advanced Gearing

Gear ratio comparison, tire-size effects and gearing presets.

$4.99

Suspension Pro

Three-point sag, static sag, spring diagnostics and clicker tracking.

$4.99

Jetting Pro

2T/4T weather, elevation and air-density starting-point calculator.

$4.99

Setup Pro

Advanced history, exportable setup cards and multi-bike tools.

$4.99

Everything unlocked

Get all five permanent upgrades for $19.99. With the free base app, that's $24.98 total if you own everything.

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