X21 Max Electric Motorcycle for Adults​

EKX X21 MAX SPEC

  • Maximum speed ≤ 85km/h (52.8MPH)
  • Endurance 80-120km (50mile-75mile)
  • Slope <35°
  • Waterproof grade: IP67
  • Load weight ≤150kg (330LBS)
  • Age Group: For Adult
  • Motor parameters: 60v 3000w Brushless Motor
  • Charging Output power 3A
  • Charging time 4-8H
  • Battery type: 60V 30AH Samsung lithium battery
  • Undervoltage protection: 60V
  • Overcurrent protection: 80A

  • Actual weight: About 55kg (99LBS)

  • Frame material: Aluminum

  • Front fork: Hydraulic Front fork

  • Braking system: Front and rear hydraulic brakes

  • Transmission system: Rear drive

  • Tire size: 70/100-19 Off-road Tyres

  • Applicable height: 160-195cm(63″-76.8″)

x21 max electric motorcycle for adults​

For more detailed specifications and purchasing options, visit EKX X21 Review.

EKX X21 Ebike Parts

ekx x21 max​ official store

EKX X21 Max ebike​ Key Strengths

  • Powerful Motor: The 3000W motor ensures quick acceleration and reliable performance on various terrains.
  • Long Range: A max endurance of 120 km makes it suitable for extended rides without frequent recharges.
  • Robust Build: Lightweight aluminum frame and off-road tires make it durable for rugged use.
  • High Waterproof Rating: With IP67, it can handle rainy conditions and some off-road puddles with ease.
  • Safety Features: Hydraulic brakes, protective mechanisms, and excellent load capacity add to its reliability.
2000W EKX X21 Ebike

X21 Max eBike Overview

  • Dimensions & Weight:

    • Size: 174cm x 97cm x 65cm (68.5″ x 38.2″ x 25.6″) | Weight: 55kg (99 lbs)
    • Frame Material: Aluminum (lightweight and rust-resistant)

  • Suspension & Braking:

    • Front Fork: Hydraulic, improving off-road shock absorption.
    • Braking: Hydraulic brakes on both front and rear, offering excellent stopping power.

  • Drive & Tires:

    • Transmission: Rear drive, enhancing traction, especially off-road.
    • Tires: 70/100-19 off-road tires for better grip on uneven terrain.

  • Performance:

    • Max Speed: ≤ 85 km/h (52.8 mph) — suitable for city and off-road use.
    • Range: 80-120 km (50-75 miles) per charge, depending on terrain and rider weight.
    • Gradient Capability: Can handle slopes ≤ 35°, ideal for moderate hill climbing.

  • Electrical System:

    • Motor: 60V 3000W motor (Peak 6kw) — powerful for an electric dirt bike in this weight class.
    • Battery: 60V 30Ah Samsung lithium battery, ensuring durability and efficiency.
    • Charging: 3A output; charging time is 6-8 hours.

  • Safety & Load Capacity:

    • Waterproof Grade IP67.
    • Load Weight: ≤ 150kg (330 lbs) — supports heavier riders or additional cargo.
    • Undervoltage (60V) and overcurrent (80A) protections for safer operation.

  • User Compatibility:

    • Suitable Rider Height: 160-195 cm (63″-76.8″), x21 max designed for adults for off-road.

EKX X21 MAX - brake sensor deletion and controller programming

Here’s a concise guide for EKX X21 Max Electric Bike riders on brake sensor deletion and controller programming. This guide applies to the X21 Max electric motorcycle for adults, also referred to as the X21 Max eBike or EKX X21 Max eBike.

Brake Sensor Delete on the EKX X21 Max

  • Understand the Brake Sensor Function:

    • The brake sensor on the EKX X21 Max disables motor power when brakes are applied.

  • Method 1: Disconnect at the Handlebar

    • Remove the brake sensor switch by unscrewing it under the handlebar.
    • Keep the plunger pressed (use tape or a zip-tie) to simulate an inactive brake.
    • Tuck the disconnected wire securely to avoid interference.

  • Method 2: Disconnect at the Controller

    • Locate the two white brake sensor wires near the controller.
    • Unplug these wires to disable the brake sensor entirely.
    • Optional: Fully remove the wires for a cleaner setup on your X21 Max eBike.

Controller Programming and Dongle Compatibility Issues

  • Some aftermarket Bluetooth dongles may not fit the EKX X21 Max eBike due to its wiring harness configuration.
  • Key Points:
    • The X21 Max electric bike uses a 6-pin motor-to-controller connection, while many dongles require a 4-pin connector.
    • A factory wiring harness may be required for compatibility.
    • Always test connections carefully to avoid damage to the motor or controller.

Important Notes for EKX X21 Max Electric Bike Riders:

  • Disabling brake sensors alters safety mechanisms and may void your warranty. Exercise caution.
  • Removing brake sensor functionality on the X21 Max electric motorcycle for adults allows continuous throttle use while braking but requires advanced riding skills.

By following this guide, you can modify the EKX X21 Max for smoother operation while ensuring safety and functionality.

EKX eBike Parts

FAQ - x21 max electric motorcycle for adults​

How to fix x21 max ebike​ error 26

Error 26 (E26) means low voltage battery warning on the x21 max electric bike​.
Suggestion: Fully charge the battery before your first ride on X21 max e-bike.

What does error code 22 mean?

Error 22 indicates an issue with the throttle. Please check the wiring, as the EKX X21 Max e-bike has limited space on the frame, and cables may have become twisted connecting the controller box.

How to Remove Limiter on Ekx X21?

How to unlock speed limiter on EKX X21? Scroll down to P6 on throttle setting, speed limit range isn 1-63kmh or 1-41kmh on ekx x21 ebike.

x21 max electric motorcycle error code list

E01 Controller failure E024 Hall failure E022 Throttle failure E025 Brake failure E023 Motor phase failure E030 Communication failure

How to Fix EXK X21 Brake Issues

Adjust the Caliper: Remove unnecessary washers to align the caliper properly, keeping only what's needed to avoid rotor contact.
Check Brake Pads: Ensure even contact between the rotor and pads; replace pads if worn (use EKX X21 or Ridar Q20 pads).
Reduce Noise: Verify the rotor isn’t too close to the caliper and tighten all components to prevent rattling.
Test and Ride: After adjustments, test for smoother braking and less noise. These steps should resolve common brake problems effectively.

How to shift top speed from 28MPH to high speed 50mph?

How to remove speed limits on ekx x21 max​: 1. Turn off x21 max electric motorcycle 2. Hold the brake with your left hand and keep holding it during the whole process. Don’t pause or release once. 3. Use right hand to turn on the bike and wait 40 or more than 40 seconds. Then release the brake. That is all. It is all you need to do. Remember Don’t release brake. If you do once, you failed.
Because you must make sure that the brake is being holding BEFORE you turn on the bike. Not after it. This is very very important and tricky and wait 40 or more than 40 seconds. If you failed to make it work, you must have made mistakes.

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