• YL-81F-SUK smart e-bike tuning display with 3.5-inch color LCD
  • Yolin YL-81F-SUK e-bike tuning display with plug-in performance tuning module
  • yl-81f-suk-ebike-display-tuning-module-kit
  • yl-81f-suk-performance-tuning-module-install
  • yl-81f-suk-smart-e-bike-tuning-display-function-explained
  • Yolin YL-81F-SUK smart display installed on an electric bike
  • Yolin yl-81f-suk-smart-e-bike-tuning-display-front-and-back-view
  • Yolin yl-81f-suk-smart-e-bike-tuning-display-size-picture
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Yolin YL-81F-SUK E-Bike Display with Performance Tuning Module

Yolin YL-81F-SUK E-Bike Display with Performance Tuning Module

$120.00 USD
$120.00 USD
Promotion Épuisé
Frais d'expédition calculés à l'étape de paiement.

Key Features

🚀 Unlock Your Riding Potential
Connect the tuning module to your display for quick system recognition and optimized riding settings. Enjoy a faster response, flexible parameter adjustment, and a simple plug-in experience without complicated setup.

📱 Smart Control & Security
Bluetooth connectivity with Yolin App sync, NFC keyless unlock, password protection, walk mode, and cruise control support for a smarter riding experience.

🔋 Universal E-Bike Compatibility
Compatible with advanced e-bike systems including dual motor and dual battery setups (optional), with USB phone charging and Type-C charging support (optional).

📊 Complete Riding Data Display
Monitor speed, battery level, mileage, pedal assist, power output, energy consumption, temperature, and system status with a clear and intuitive display.

Compatibility

✔ Supports 36V / 48V / 52V e-bike systems
✔ UART communication compatible systems
✔ Fits φ22.2 / φ25.4 / φ31.8mm handlebars

Before ordering, please send us a photo of the serial number on the back of your old display at support@yolintech.com

We will help verify compatibility after receiving your display info.

Note: The Yolin display tuning module is not sold separately and is only included with the purchase of this YL-81F-SUK display.

  • Performance Tuning - Flexible speed & riding settings
  • NFC Unlock - Keyless access
  • Bluetooth connectivity - App-connected smart control
Afficher tous les détails

More Control. More Flexibility. More Riding Possibilities.

This smart tuning module optimizes communication between the display and compatible e-bike systems, allowing riders to customize system settings and experience enhanced riding performance.

Designed for riders who want more flexibility from their e-bike, the module provides quick plug-in installation and responsive system recognition.

Keyless Access, Enhanced Protection

Enjoy a smarter way to access your e-bike. The built-in NFC keyless unlock allows quick and convenient system activation, while password protection helps prevent unauthorized access.

YL-81F-SUK Bluetooth smart e-bike display with app connectivity

Smart Control from Your Smartphone

Connect your e-bike display with the mobile app via Bluetooth. View riding data, adjust personalized settings, and customize your riding experience directly from your phone.

🚀 Performance Tuning Module

  • YL-81F-SUK plug-in e-bike performance tuning module-speed-unlock

    Fast Response Performance

    Experience quick system recognition and smooth response after installation.

  • yl-81f-suk-plug-in-ebike-performance-tuning-module

    Fully Reversible Design

    Easily switch between upgraded settings and the original configuration without permanent modifications.

  • yl-81f-suk-performance-tuning-module-install

    Switch Back Anytime

    Forget about complicated button sequences or messy wiring. Simply plug it in, and your e-bike is instantly upgraded. It’s that simple.

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🛡️ Beyond Basic E-Bike Display Certification

Independent Functional Safety Assessment by SGS

CE Marked | RoHS Compliant | Designed to UL Safety Standards

yl-81f-suk-smart-e-bike-tuning-display-sgs-Certification

The Yolin display has undergone an independent assessment by SGS covering defined safety protection functions of the display controller system.

The assessment references ISO 13849-1:2015 and ISO 13849-2:2012, with the evaluated safety functions achieving the specified PLc requirement.

Designed to meet European safety, health, and environmental protection requirements for electronic products.

SGS
ISO 13849-1:2015 & ISO 13849-2:2012
RoHS
Compliant
CE
Marked

Product Details

Specifications

Technical Specifications

Model YL-81F-SUK
Product Type Color Smart E-Bike LCD Display
Display Size 3.5 Inch Color LCD
Rated Voltage 36V / 48V / 52V / 60V
Communication Protocol UART
Assist Levels 0-3 / 1-3 / 0-5 / 1-5 / Custom Options
Waterproof Rating IP66
Material ABS Housing
Compatible Buttons K5 / K6
Handlebar Compatibility 22.2mm / 25.4mm / 31.8mm
Connector Type 5-Pin Waterproof Connector (Standard) / Custom Options Available
APP & Bluetooth Supported
Security Features NFC Keyless Unlock & Password Protection
Certification CE Marked / RoHS Compliant
Operating Temperature -10°C ~ 60°C
Weight 210 g

Package Includes

  • 1 × Yolin YL-81F-SUK Color E-Bike LCD Display
  • 1 × Yolin Display Tuning Module
  • 1 × Mounting Bracket
  • Installation Hardware

User Manual

Download the user manuals and setup guides below for detailed instructions on:

Connector Type

The product images show the standard version with a 5-pin connector.

To support different e-bike systems, we also offer various connector options, including 5-pin, 6-pin, 7-pin, and other customized versions.

Available connector types may include:

  • 5-Pin SM Connector
  • 5-Pin Waterproof Higo Connector
  • 6-Pin / 7-Pin Connector Options
  • JST Connector
  • Custom Connector Solutions

Connector type and cable configuration may vary depending on your e-bike system, controller, and original display model.

FAQS

 What is the Yolin e-bike display tuning module?

The Yolin tuning module is a custom-engineered performance accessory designed exclusively for this display model. It allows you to unlock advanced system settings and upgrade your riding experience in under 3 seconds.

Engineered for ultimate convenience, it features a simple “Plug In, Ride, Remove Anytime” design. Whether you want to customize your riding parameters on the fly or return to factory settings, you can install or remove the module whenever you choose. No complex setup, no permanent changes—just pure performance control tailored specifically for your bike.

Does this tuning module require an app or special software?

Absolutely not. We believe in a seamless, reliable riding experience, which is why our display is designed to work completely standalone. You do not need to download any apps, sync with software, or deal with complicated Bluetooth pairings.

We know that signal can be spotty during long rides or in remote areas, so our system is engineered for instant responsiveness and 100% offline functionality. Simply install it, power it on, and you’re ready to hit the road immediately—no internet connection or technical setup required.

Is installation complicated? Do I need professional tools?

Not at all! Our e-bike displays are designed for a quick, DIY-friendly installation. You don’t need any professional equipment or advanced technical skills; most users can have their new display up and running in just a few minutes. Typically, you’ll only need basic household tools. We include all necessary mounting hardware in your package to ensure a seamless setup experience.

Is this tuning module legal to use in Europe?

E-bike regulations vary between European countries. Standard EPAC bicycles in many EU regions are typically limited to specific requirements, such as 250W motor power and assistance cutoff at 25 km/h.

After modification, your e-bike may no longer be classified as a standard EPAC depending on your local regulations. Please check the rules in your country before using a modified e-bike on public roads or shared cycling areas.

Where should I use an e-bike with this module installed?

Always follow your local regulations. Depending on your location and e-bike configuration, usage may be limited to areas where modified e-bikes are permitted, such as private property or designated riding areas.

Legal & Usage Information - For European Riders

This product is designed for compatible e-bike systems to provide flexible riding settings and enhanced riding customization.

European E-Bike Regulation Awareness

  • In Europe, standard EPAC bicycles generally follow requirements such as 250W maximum continuous rated motor power and pedal assistance support up to 25 km/h. Regulations may vary depending on the country, region, and intended riding environment.Before installation and use, customers should check and comply with all applicable local laws and regulations.

Important Considerations Before Use

  • Modifying e-bike system settings may void your manufacturer warranty, affect insurance coverage, and alter the vehicle’s legal classification for road use.
  • Users are responsible for ensuring that their e-bike components, including brakes, tires, motor, battery, and drivetrain, are suitable for their intended use.

Safe & Responsible Riding

  • Riders are responsible for observing local traffic laws, ensuring regular vehicle maintenance, and utilizing certified safety equipment at all times.

By purchasing and using this product, you acknowledge that you have read, understood, and agree to comply with all safety instructions and applicable regulations.