The 300X thumb throttle gives riders instant, direct power on demand — a simple thumb press delivers smooth acceleration independent of pedal assist, ideal for quick starts or extra boost when you need it most.
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Design: Compact lever operated by the thumb for smooth speed control.
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Compatibility: Universal fit for standard 22.2 mm (7/8-inch) handlebars on e-bikes and electric scooters.
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Connection: Equipped with a waterproof quick-disconnect plug.
Electrical & Signal Specs
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Operating Input Voltage: 5V DC (supplied from the motor controller).
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Output Signal Voltage: 0.8V to 4.2V linear analog voltage.
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System Voltage Compatibility: 48V
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Internal Sensor: Linear Hall Effect component.
Physical & Mechanical Specs
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Handlebar Sizing: Fits standard 22mm to 22.5mm (7/8 inch) diameter bars.
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Installation Design: Split-clamp design featuring a tensioning bolt. This lets you mount or remove it without removing your handlebar grips.
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Orientation Options: Universal construction. It can be installed as a right-hand thumb lever or flipped over for left-hand use.
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Chassis Construction Material: High-impact PC/ABS blend matte composite.
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Base Net Weight: Approximately 43 grams.
Cabling & Plug Specs
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Cable Connection Type: 3-Pin waterproof connector.
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Cable Length:
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Environmental Weather Rating: IP65 waterproof standard.
