Honda Grom Speedometer Calibration Device - SpeedoDRD by 12 O'Clock Labs

The 12 O'Clock Labs SpeedoDRD for Honda Grom is the world's most advanced speedometer and odometer calibration device, engineered for riders who modify their drivetrain with sprocket changes, tire size upgrades, or transmission alterations. This ultra-compact, weatherproof device ensures your speedometer and odometer display accurate readings after performance modifications.

Premium Engineering & Design

At just 20mm x 20mm (0.8" square), the SpeedoDRD is the smallest electronic speedometer calibration device available. The 2020+ model features epoxy-sealed construction with weatherproof connectors, delivering unmatched durability and protection against the elements. Proudly made in the USA with a 3-year product replacement warranty.

Key Features

• Ultra-Compact Design - World's smallest speedometer/odometer calibration device at less than 20mm square
• Weatherproof Construction - Epoxy-sealed with weatherproof device connectors for maximum durability
• Precision Calibration - Ratio-based correction in 0.1% steps, up to ±99.9%
• Advanced Adjustment - Fractional frequency multiplier & divider with 0.1 steps, up to ±99.9
• Max Speed Memory - Saves and recalls maximum speed to your stock gauge
• Widest Calibration Range - Percentage and multiplier/divider adjustment capability
• Built-In Testing Mode - Ensures proper installation and functionality
• Simple Setup - Easier configuration than any competing device
• Plug-and-Play Installation - 18" wiring harness with simple plug-in setup
• Universal Sensor Compatibility - Works with 3-wire Hall Effect or 2-wire Ground Switch sensors
• MPH/KPH Conversion - Switch between imperial and metric displays
• 3-Year Warranty - Made in the USA with comprehensive product replacement coverage

Compatibility

Available for OG/SF Grom, 2022+ Grom (No ABS), and 2022+ Grom (ABS Model). Select your model variant at checkout.

Important Note: The SpeedoDRD corrects the speed signal after modifications such as sprocket changes, tire size changes, or transmission alterations. It cannot alter your existing odometer readout, but ensures accurate readings going forward.