Letturn E-Bike LCD Display — 24/36/48V Waterproof 5‑Pin Black ABS, Backlit Speed & Battery Monitor

The Letturn GD01 is a waterproof, multi-voltage LCD display that gives your electric bike clear speed, battery and distance readouts while mounting neatly on standard handlebars.

This compact electric-bike computer is built from durable black ABS and works with 24V, 36V, and 48V systems to deliver real-time ride data and simple headlight control. Designed for practical everyday use, the GD01 connects via a sealed 5-pin cable to compatible JN controllers and offers adjustable backlight levels so you can read the screen in bright daylight or after dark.

How will this display improve my daily rides?

The GD01 consolidates crucial riding information into one readable screen so you don’t need to guess speed or battery life. With instant speed, trip distance and battery indicators, you can plan routes and manage power more confidently.

• Real-time speed monitoring for safe pace control
• Trip and total distance tracking in km or miles
• Battery level readout to avoid unexpected power loss
• Headlight toggle directly from the display

Is this display reliable in wet weather and rough conditions?

The GD01 features a sealed waterproof connector and construction that protects internal electronics from moisture and light rain. That protection reduces the risk of malfunction during wet-weather commutes or rides on damp trails.

• Sealed 5-pin interface to prevent water ingress
• Waterproof housing that shields internal circuitry
• Durable ABS casing for everyday impact resistance

Will it fit my e-bike and how easy is installation?

This display is made for standard 22.2 mm handlebars and mounts with a compact footprint so it won’t crowd controls. Installation is straightforward: attach the unit, route the 5-pin cable to a JN-compatible controller, and secure the connections.

• Compact dimensions: 8.2 × 4.8 × 4.3 cm for low-profile mounting
• Standard handlebar clamp fits most e-bike bars (22.2 mm)
• Plug-and-play 5-pin connector for compatible JN controllers

How readable is the screen under different lighting?

The display offers three backlight brightness settings so you can adapt visibility for sunny afternoons or nighttime rides. The LCD layout is optimized to reduce glare and present numbers clearly, minimizing distraction.

• Three adjustable backlight levels for day and night use
• High-contrast LCD layout for quick glances while riding
• Selectable units (km or miles) to match your preference

Who is this for: The Letturn GD01 suits commuters, recreational e-cyclists and anyone upgrading or replacing an e-bike display who needs reliable, weather-resistant readouts and simple control in a compact package. It’s especially appropriate for riders using JN-series controllers and those who value clear, adjustable visibility on varied routes.