Airbag ALPINESTARS TECH-AIR® MX

Alpinestars Tech-Air® MX is a next-generation airbag system designed exclusively for motocross and supercross. Developed based on Alpinestars’ decades of experience in MotoGP and the Dakar Rally, and refined through extensive analysis of real-world data from MX and Supercross riders, Tech-Air® MX provides precise, fast, and reliable protection in the most demanding conditions of the sport.

Compact, autonomous, and integrated into a lightweight chest protector, Tech-Air® MX offers advanced upper-body protection while allowing complete freedom of movement. With four selectable riding modes optimized for different off-road disciplines, riders benefit from unmatched safety and versatility on any terrain.

Key Features

Multiple riding modes

Default MX Mode plus two customizable “MY RIDE” modes (MX RACE, ENDURO, RALLY), configurable via the Tech-Air® App or the LED display.

Crash detection algorithm

Refined using thousands of hours of MX and Supercross data for precise airbag deployment.

Active airbag protection

Inflates in approximately 40 ms for instant impact absorption.

High versatility

Can be worn over or under MX gear; a single gas cartridge allows one deployment and is easy to replace where legislation permits.

Battery autonomy

Up to 30 hours on a full charge; 1-hour fast charge = 8 hours of use.

Quick activation

Automatically powers on when the left buckle is closed; deactivates when opened.

Bluetooth connectivity

System monitoring, ride mode management, and firmware updates via the Tech-Air® App.

Tech-Air® MX System Specifications

Integrated LED display

Shows battery level, system status, and riding modes; includes a USB-C charging port.

Nucleon PLASMA back protector

Ultra-lightweight, CE Level 1 certified, featuring a honeycomb structure for superior ventilation and comfort.

Breathable stretch mesh vest

Ergonomic, low-profile construction designed for mobility and optimal fit.

Fully autonomous system

No external sensors required.

Internally integrated ECU

Built into the CE-certified back protector.

Removable ECU and airbag

Allow easy cleaning and maintenance.

All-weather reliability

Operates between -10°C and +50°C; ECU is sealed and protected.

ECE R10 04 homologation

Ensures electromagnetic stability and performance integrity.

Firmware updates

Available via the Tech-Air® App for installation of new detection algorithms.

Protection

Full airbag coverage

Protects the shoulders, chest, and back.

4x greater protection

Provides more than four times the protection of passive armor upon deployment.

CE-certified airbag

Category II according to EN1621-4:2013; full inflation in 40 ms – 5 s from detection.

Durability

Certified for up to 6 deployments if the system is not damaged.

CE Level 1 passive protectors

Integrated chest and back protection with adjustable straps for precise fit.

Advanced sensors

Three accelerometers and three gyroscopes in the ECU ensure precise detection in dynamic MX conditions.

Riding Modes

MX Mode

Designed for motocross and supercross; optimized for outdoor tracks with jumps, berms, ruts, and rhythm sections.

MX RACE Mode

Dedicated to competition; deploys only in high-severity crashes to avoid unnecessary activation during racing.

ENDURO and RALLY Modes

Customizable via the Tech-Air® App; optimized for off-road, enduro, and rally riding with varied terrain and impact profiles.

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