BDH H2SQ DUAL-MODE SHIFTER

The BDH H2SQ represents the next generation in mechanical simulation hardware. Built on over two years of testing and iteration, the H2SQ improves upon our proven H1SQ platform with a new dual-rail architecture, mechanical enhancements, and practical refinements developed through real-world racing experience.

KEY ADVANTAGES:

TRUE DUAL-RAIL DESIGN: Inspired by real gearboxes, our selector architecture enhances shift precision and alignment.

HEX DRIVE- New Hex drive ensures the durability and centre positioning of the shifter runs true whilst mitigating play

DUAL-MODE OPERATION: Seamlessly switch between gated H-pattern and spring-loaded sequential modes.

INDEPENDENT SHAFTS: Dedicated shafts for each mode improve feedback and consistency.

MECHANICAL MODE COLLAR: Engages mechanical locks and remaps sensors for mode-specific input.

SENSOR LOGIC: 9th sensor disables H-pattern logic and enables 9th/10th inputs in sequential mode for clean software compatibility.

USB-C UPGRADE: A robust, external port replaces internal PCB-mounted connections.

HAND-TUNED MECHANISM: Each unit is calibrated for gate resistance and travel.

FULL METAL CONSTRUCTION: Aircraft-grade aluminium and tensile steel ensure long-term durability.

H-SHIFT SMOOTHNESS: Dual-shaft alignment reduces play, offering a slicker, faster engagement.

SEQUENTIAL LOCKOUT: Side-to-side shaft lock allows crisp up/down shifting without gear path interference.

BUILT TO FOR COMMERCIAL AREAS: Ideal for sim centres, rally schools, and driver training programs.

IMMERSIVE FEEL: Designed by real-world rally and circuit drivers to replicate actual mechanical shifting.

COMPACT AND SERVICEABLE: Easy access for maintenance and modular replacement.

LIFETIME WARRANTY: Confidence that lasts for both personal and commercial users.

MOUNTING FLEXIBILITY: Compatible with all major sim rig platforms.

CHOSEN BY MOTORSPORT UK: Trusted hardware for their driver development academies.

AUTHENTIC SHIFT FEEL: Machined detents and robust gate tolerances give every gear a satisfying mechanical click.

MIS-SHIFT MINIMIZATION: Precise shaft guidance improves performance under pressure.

TRUE RACE DNA: Derived from real-world motorsport mechanics including F1, Group A rally, and touring cars.

HOW THE H2SQ WORKS:

In H-pattern mode, both shafts move in unison, delivering enhanced tactile feedback and smoother motion.

In sequential mode, the secondary shaft locks into position, activating a spring-loaded return and reassigning signal output to 9th and 10th inputs.

The mode collar simultaneously adjusts mechanical function and signal routing for accurate, conflict-free operation in software.

This approach mirrors the selector systems found in race gearboxes — not just a sim-safe solution, but a true mechanical representation of what drivers feel on the track.

REAL-WORLD INFLUENCE

Many performance vehicles rely on dual or triple-rail gearboxes for strength and precision. The H2SQ draws inspiration from:

Mazda MX-5 – Crisp Aisin gearbox feel that informed the original H1.

Honda Civic Type R – Legendary shift accuracy thanks to dual selector rods.

Escort RS Cosworth – Rally-spec twin-rail dog boxes built for stage durability.

Porsche G50 – Classic mechanical precision with multi-rail shaft logic.

BMW M3 (E30/E36) – Getrag gearboxes praised for analog shift feel.

Toyota GR Yaris/Corolla – WRC-informed rail architecture designed for high torque.

The H2SQ isn’t just a high-performance sim shifter. It’s a mechanical homage to the engineering that defines real racing. Whether you're building muscle memory for the track, training at an academy, or seeking unmatched immersion in your home setup, the H2SQ is the tool to elevate your experience.

Built by racers, for racers.

Country/Region

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