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Immersive Cycling Simulator

CRITICAL

Feel the Wind. Own the Ride.

Wind · Light · Sound · Fog — Four-dimensional immersion that turns indoor training into a track experience

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What is Critical?

Critical is a revolutionary immersive cycling simulator. Through synchronized wind, light, sound, and fog effects, it transforms any indoor trainer into a track-grade riding experience. Whether for serious training, showroom demos, or content creation, Critical delivers immersion you've never felt before.

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Wind

0–340 km/h continuous wind simulation

Light

14 presets + 8 dynamic effects

Sound

Real-time engine audio synthesis

Fog

Atmospheric fog effects

8 Core Features

Multi-sensory synchronization for true track immersion

Variable Wind

0–340 km/h, PWM continuous control

340 km/h

Smart Lighting

14 color presets + 8 throttle-linked effects

Engine Sound

5-layer 16-bit synthesis with crossfade

Audio Cast

Stream phone audio over WiFi to the speaker

Fog Effect

One-touch atmospheric fog for total immersion

Round Display

240×240 HD round LCD, 6-page swipe menu

Wind
LED
Sound
Fog
Setup
About

App Control

Bluetooth pairing, full real-time control

OTA Updates

OTA firmware updates + auto-updating app

v2.1.0v2.2.0
Upgrading...

The dedicated Critical App

Bluetooth pairing, full real-time control. Your immersive ride at your fingertips.

Scanning for devices...

Critical-A1B2Connect
Critical-C3D4Connect
128km/h

Throttle 60%

RGB color wheel

Preview

📷 Camera
🖼️ Gallery
🎵

Now playing

Highway Star — Deep Purple

Connected · Streaming

Firmware update

v2.1.0 → v2.2.0

72%12s remaining

Device Scan

Bluetooth scan and one-tap pairing with Critical

Android APK

Direct download v1.0.0

Google Play

Coming soon

App Store

Coming soon

Critical App v1.0.0 · Supports Android 8.0+ / iOS 14+

HardwareSpecs

Pro-grade hardware engineered for the ultimate ride

CategorySpecification
MCU
ESP32-S3 dual-core 240MHz, 16MB Flash, 8MB PSRAM
Display
GC9A01 1.28" round IPS LCD, 240×240, SPI 40MHz
LED Strip
WS2812B × 13 (10 main + 3 tail), 4 zones independently controlled
Fan
PWM continuous, 1000Hz, 10-bit resolution
Audio
I2S DAC, 16-bit 44.1kHz, 5-layer real-time mixing
Input
EC11 rotary encoder (PCNT 4× decoding), single/double/triple/long press
Connectivity
BLE 5.0 (control) + WiFi 2.4GHz (audio streaming)
Atomizer
GPIO on/off control
Storage
NVS + LittleFS, supports 3 custom logo slots
Updates
OTA over-the-air, dual-partition with rollback
Power
USB-C / DC 12V (TBD)

What's in the box

Critical main unit × 1
Power adapter × 1
Quick start guide × 1

UseCases

Multiple scenarios, unlimited possibilities

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Cycling Training

Pair with a smart trainer so wind speed reacts to your power output. Indoor sessions become genuine sprints with real resistance and speed feel.

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Showroom Display

Build immersive product demos for bike-brand showrooms and experience stores. Multi-sensory effects pull customers in.

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Content Creation

Give cycling YouTubers and live streamers cinema-grade visuals. LED + fog + wind audio create film-quality footage.

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