Automatic Lap Timing
Select the circuit and G-Box measures current, previous, and best laps using the same start and finish logic as the app.
Track-day hardware by RACEMEASURE LLC
G-Box
A compact 25 Hz GPS lap timer and telemetry display for HPDE, open lapping, time attack, and club racing. Connect by Wi-Fi or Bluetooth, see the lap, live delta, speed, and acceleration data in the cockpit, then review the complete session in the G-Box app.
$199
USD per unit. Shipping and applicable taxes are confirmed separately.
No payment is taken on this website. Send the order request and our team will reply with availability, final shipping cost, payment instructions, and delivery timing.
Built for the next session
The information a driver needs, without a complicated setup
G-Box puts the useful track-day signals in one place and keeps the full data for deeper analysis after the car is back in the paddock.
Live Best-Lap Delta
See whether the current lap is gaining or losing time so you can connect a driving change to the result immediately.
Power Estimate
Use straight-line acceleration data to compare how the car pulls and estimate performance with the same G-Box analysis workflow.
Complete Session Record
Keep GPS, speed, and G-force data for track maps, graphs, video overlays, leaderboards, and post-session coaching.
Technical details, in driver language
Fast GPS data and two simple ways to connect
G-Box updates GPS position and speed up to 25 times per second. Choose Wi-Fi for the fastest live data link or Bluetooth for a straightforward wireless setup.
25 HzGPS update ratePosition and speed refresh up to 25 times per second for stable lap timing and smoother speed traces.
Wi-FiHigh-rate connectionUse Wi-Fi when you want the fastest live GPS and telemetry transfer to a compatible phone workflow.
BluetoothSimple wireless setupConnect without joining a separate Wi-Fi network when convenience matters most.
3.5 inColor touch displayLarge lap, delta, speed, and acceleration screens are designed for quick cockpit reads.
Full sessionRecorded driving dataKeep GPS position, speed, longitudinal G, lateral G, lap times, and track information for review.
Any circuitSystem and custom tracksUse known circuit start lines or create a start and finish marker for a private course or new layout.
From cockpit to review
Drive first. Study the details later.
Use the high-contrast screen for quick reads on track. After the stint, open the session on iPhone to inspect laps, maps, speed, longitudinal G, lateral G, video, and leaderboard position.
G-Box also supports custom circuits, so a private course or a new layout can use its own start and finish marker instead of waiting for a database update.
Track useHPDE, track days, time attack, club racing, and driver training
GPS rateUp to 25 position and speed updates per second
WirelessWi-Fi for the highest-rate live link, or Bluetooth for a simple connection
Live displayCurrent lap, best lap, previous lap, delta, speed, and acceleration screens
Session dataGPS position, speed, longitudinal G, lateral G, lap times, and track information
Phone workflowConnect to the G-Box app for session review, overlays, analysis, and sharing
Order price$199 USD per G-Box unit, before shipping and applicable taxes
G-Box Lap Timer for iPhone
Your sessions stay useful after the checkered flag
Record laps, select tracks, review telemetry and onboard video, compare drivers, estimate power-to-weight performance, and publish verified results to G-Box leaderboards.
Order request
Reserve your G-Box
Send the delivery details below. RACEMEASURE LLC will review the destination and reply by email with availability, shipping, applicable taxes, payment instructions, and an estimated delivery date.
Unit price
$199 USD
- 1.Submit the order request. No card or payment information is collected here.
- 2.We confirm the final total and delivery options by email.
- 3.Your order is accepted after you approve the total and complete the provided payment instructions.