Alpinestars Tech-Air MX/DH System White

Developed from 26 years of Alpinestars airbag expertise, the Tech-Air® MX with Downhill Algorithm brings autonomous airbag technology specifically tuned for downhill mountain biking. Developed using professional athlete data collected since 2022, the dedicated algorithm is engineered around the unique dynamics of downhill riding, from high-speed descents and technical terrain to jumps, drops, rapidly changing surfaces, loss of rider control and terrain-induced instability.

• Downhill Riding Mode: Dedicated MTB Downhill Algorithm downloadable through the Tech-Air® App and specifically developed to recognise downhill-specific riding and crash dynamics.
• Multiple Riding Modes: MX, MX RACE, ENDURO, and RALLY profiles complement the dedicated Downhill Mode for multi-discipline versatility.
• Automatic Activation: Connecting the left buckle activates the System through an integrated magnetic switch; disconnecting it switches the System off.
• Tech-Air® App Connectivity: Bluetooth interface for Riding Mode management, System Status, diagnostics and firmware updates.
• Long Battery Life: Up to 30 hours of riding on a full charge, with approximately 8 hours of use available from a 1-hour charge.
• Fully Autonomous Operation: Self-contained functionality with no external sensors or GPS required.
• Airbag deploys in approximately 32–45 milliseconds following crash detection, depending on System size.
• Extensive coverage across the shoulders, chest, back and upper arms when the airbag is deployed.
• Provides up to an 82% reduction in transmitted impact energy compared with conventional passive chest protectors.
• Airbag protection extends to the shoulders and upper arms only when deployed, preserving unrestricted movement during normal riding.
• CE-certified Airbag Category II protection compliant with EN 1621-4:2013.
• Integrated CE Level 1 passive protection remains available after airbag deflation.
• System certified for up to six deployments before servicing is required, provided the airbag remains undamaged
• Compact, low-profile chassis designed to be worn over or under compatible MTB riding equipment.
• Breathable stretch-mesh construction with ergonomic patterning for mobility and comfort on technical downhill terrain.
• Integrated Nucleon PLASMA CE Level 1 back protector with a lightweight, ventilated honeycomb structure.
• Six-sensor architecture combining a tri-axial accelerometer and tri-axial gyroscope, continuously feeding rider movement data to the ECU.
• ECU integrated into the back protector within a sealed, shock-protected housing.
• Integrated single gas inflator with quick-release cover for straightforward replacement.
• Modular construction with removable ECU and airbag bladder to facilitate cleaning and maintenance.
• Integrated LED status display and protected USB-C charging port.
• Weather-sealed electronics and connectors engineered to operate between -10°C and +50°C.
• Electronic system engineered to meet ECE R10 04 electromagnetic compatibility requirements.