EPAspeed Box Giant & Yamaha E-Bike Tuning Module – Contactless Speed Unlock Device – Compatible with Giant SyncDrive & Yamaha Mid-Drive Motors – Tool-

Details

• ⚡ UNLOCK YOUR GIANT OR YAMAHA E-BIKE PERFORMANCE Remove the factory 25 km/h speed limiter and unlock the full capability of your Giant SyncDrive or Yamaha mid-drive motor system. The EPAspeed Box increases assisted speed up to 50 km/h, delivering smoother acceleration and enhanced riding performance.
• 🔋 100% CONTACTLESS TUNING TECHNOLOGY Unlike conventional tuning chips that require wiring or access to the motor electronics, the EPAspeed Box uses advanced wireless contactless tuning technology, transmitting a modified signal without altering the motor software, firmware, or circuitry. Safe, reversible, and removable at any time.
• ⚙️ FAST TOOL-FREE INSTALLATION The integrated snap-lock fastening system allows installation in seconds. Simply slide the EPAspeed Box over the speed sensor near the rear wheel and reposition the magnet. No tools, cables, or software changes required.
• 📊 SPEED SCALING DISPLAY SYSTEM To ensure system stability, the e-bike display shows speed using a 1:2 ratio while tuning is active: Display shows 20 km/h → Real speed 40 km/h Display shows 25 km/h → Real speed 50 km/h (±1 km/h) The EPAspeed Box remains the only fully contactless tuning module that preserves speedometer functionality without requiring smartphone apps or GPS accessories.
• 🔧 ENGINEERED FOR DURABILITY & RELIABILITY Featuring a reinforced slim housing, automotive-grade potting compound, premium carbon-fiber finish and long-lasting AAA battery, the EPAspeed Box is designed to withstand vibration, impact and demanding real-world e-MTB riding conditions.