Support - Bootstrap Demo

Discover our range of advanced racing telemetry devices designed to help you analyze and improve your performance.

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Support Center

Welcome to our support center. Here you can find answers to frequently asked questions and guides on how to use our products. If you cannot find the answer you are looking for, please contact our support team.

The device transmits data via BLE using the RaceChrono DIY protocol, designed specifically for seamless integration with RaceChrono.

The PRO series also features built-in memory where data is saved in NMEA format, allowing you to import your sessions into other analysis applications.

Ensure Bluetooth is enabled.
Important: Do not pair the device in iOS system settings! It must be added explicitly in the RaceChrono app.

Step 1

Open RaceChrono and tapping the gear icon to enter Settings.

Step 2

Tap Add other device.

Step 3

Select RaceChrono DIY.

Step 4

Select Bluetooth LE.

RaceChrono iOS Setup Step 4 - Connection Type

Step 5

Select Racetweak E75D.

RaceChrono iOS Setup Step 5 - Select Device

Step 6

Switch GPS on.

Step 7

Switch Bluetooth LE GPS on.

Important: You must pair the device in Android Bluetooth settings before adding it to the RaceChrono app.

Step 1

Open RaceChrono and go to Settings.

Step 2

Tap Add other device.

Step 3

Select RaceChrono DIY.

Step 4

Select Bluetooth LE.

Step 5

Select Racetweak E75D.

Step 6

Switch GPS on.

Step 7

Switch Bluetooth LE GPS on.