---
product_id: 536297406
title: "Bike Locks Heavy Duty Anti Theft 18mm Thick, Motorcycle U Lock with 4FT x 6mm Moped Chain, 3Keys Large U-Shape Electric Bicycle Wheel Lock for Ebike, Escooter, Fat-Tire Dirt-Bike, Tricycle"
brand: "ndakter"
price: "$107.57"
currency: USD
in_stock: true
reviews_count: 8
category: "N Dakter"
url: https://www.desertcart.us/products/536297406-bike-locks-heavy-duty-anti-theft-18mm-thick-motorcycle-u
store_origin: US
region: United States of America
---

# 18mm hardened steel shackle 6mm x 120cm 3T manganese steel chain 3 durable brass keys included Bike Locks Heavy Duty Anti Theft 18mm Thick, Motorcycle U Lock with 4FT x 6mm Moped Chain, 3Keys Large U-Shape Electric Bicycle Wheel Lock for Ebike, Escooter, Fat-Tire Dirt-Bike, Tricycle

**Brand:** ndakter
**Price:** $107.57
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in peace of mind, unlock your freedom.

## Quick Answers

- **What is this?** Bike Locks Heavy Duty Anti Theft 18mm Thick, Motorcycle U Lock with 4FT x 6mm Moped Chain, 3Keys Large U-Shape Electric Bicycle Wheel Lock for Ebike, Escooter, Fat-Tire Dirt-Bike, Tricycle by ndakter
- **How much does it cost?** $107.57 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/536297406-bike-locks-heavy-duty-anti-theft-18mm-thick-motorcycle-u)

## Best For

- ndakter enthusiasts

## Why This Product

- Trusted ndakter brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Unbreakable Security:** 18mm thick hardened steel shackle resists cutting & lever attacks for ultimate theft protection.
- • **Built for All Weather:** Silicone and nylon protectors ensure durability and scratch resistance rain or shine—your gear stays safe and pristine.
- • **Ergonomic & Key-Ready:** Large U-shape lock with precision zinc alloy cylinder plus 3 brass keys—no combos to remember, no hassle.
- • **Heavy-Duty Chain Power:** 120cm manganese steel chain wrapped in nylon protector—stronger than ordinary cables, weatherproof & scratch-free.
- • **Versatile Locking Options:** Lock multiple bikes, scooters, or even gates with flexible double-loop chain design—perfect for urban warriors.

## Overview

NDakter Heavy Duty Bike Lock combines an 18mm hardened steel U-lock with a 120cm 6mm manganese steel chain, delivering robust anti-theft protection for e-bikes, scooters, motorcycles, and more. Featuring an ergonomic design, weatherproof materials, and 3 brass keys, it offers versatile, durable security for urban commuters and outdoor enthusiasts alike.

## Description

Buy NDakter Bike Locks Heavy Duty Anti Theft 18mm Thick, Motorcycle U Lock with 4FT x 6mm Moped Chain, 3Keys Large U-Shape Electric Bicycle Wheel Lock for Ebike, Escooter, Fat-Tire Dirt-Bike, Tricycle: U-Locks - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Great for fat tire bikes - Very sturdy and secure, no complaints. I love that it comes with 3 keys and the fact that it's big enough for my fat tire e bike. The chain is a plus too.
Review: Great security lock - This lock is secure and easy to use. I use it to secure my mobility scooter. It has weight to it, giving it the stability it needs to keep my scooter in place. Fits perfectly around the wheel spokes and is very durable.

## Features

- 【Heavy Duty Anti Theft】 NDakter's bike locks heavy duty anti theft, this bike u lock set is composed of an ergonomic bike u lock for scooter with double-open design and a 6mm x 120cm motorcycle chain. anti theft motorcycle wheel lock adopts 0.7 inch /18 mm hardened steel shackle, with external dimensions of 7.8in x 9.2in, internal dimensions is 5.5in x 7in, the weight of this ebike heavy duty anti theft u lock is 1.6KG, which makes it more secure against theft. The anti theft moped chain is made of high-quality 3T manganese steel chain, stronger than ordinary steel cable. This electric bike lock can effectively resist cutting and lever attacks, sfety of your motorcycle, ebike,moped and more
- 【Ergonomic Design & 3 Keys】Motorcycle u lock's cylinder is made of high-quality zinc alloy, and the large u shape is ergonomic, with structural precision, which can effectively prevent technical opening. This bike locks heavy duty anti theft come with 3 keys, so you don't need to memorize the code or worry about losing the keys. They are made of brass, very strong, and not easy to bend or deform
- 【Weatherproof & Wear Resistant】Ebike locks heavy duty anti theft chain is wrapped in a durable nylon protector, moped lock outer protector is silicone, weatherproof and suitable for outdoor use, which can effectively prevent your electric bicycle or other property from being scratched by the heavy duty anti theft big u lock and strong motorcycle chain
- 【Multi-purpose】: The motorcycle locks anti theft chain is 120cm long, which is enough to lock 3 to 4 tricycles together, you can also lock motorcycle together with a thick bar, and you can use a electric bike locks in low-risk areas. The heavy duty bike chain has two different sized steel rings, the smaller ring can be threaded through the larger ring and has more locking options. It's perfect for locking electric-motorcycle, motorbikes, e-bikes, electric-scooter, moped, tricycle, bicycle, lawnmowers, gates, fences, ladders, grills, sports equipment and toolboxes. This is the perfect gift for family, friends and students.（NOTICE: THE TOTAL LENGTH INCLUDES DOUBLE LOOP ENDS!）
- 【Packaging & Help】1 x ebike u lock (0.7in/18mm shackle) ;1 x black chain(6mm x 120cm); 3 x keys. The total product weight is:4.4 lbs.If you have any questions about the product, please inform NDakter at any time for after-sales service, NDakter will follow up closely

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | NDakter |
| Item dimensions L x W x H | 7.09 x 3.15 x 1.18 inches |
| Lock Type | Key Lock |
| Material | Brass |
| Recommended Uses For Product | indoor and outdoor |
| Special Feature | Anti-Drill |

## Product Details

- **Brand:** NDakter
- **Special Feature:** Anti-Drill
- **Lock Type:** Key Lock
- **Item dimensions L x W x H:** 7.09 x 3.15 x 1.18 inches
- **Material:** Brass

## Images

![Bike Locks Heavy Duty Anti Theft 18mm Thick, Motorcycle U Lock with 4FT x 6mm Moped Chain, 3Keys Large U-Shape Electric Bicycle Wheel Lock for Ebike, Escooter, Fat-Tire Dirt-Bike, Tricycle - Image 1](https://m.media-amazon.com/images/I/71exYN8zS-L.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great for fat tire bikes
*by R***N on October 22, 2025*

Very sturdy and secure, no complaints. I love that it comes with 3 keys and the fact that it's big enough for my fat tire e bike. The chain is a plus too.

### ⭐⭐⭐⭐⭐ Great security lock
*by N***O on August 5, 2025*

This lock is secure and easy to use. I use it to secure my mobility scooter. It has weight to it, giving it the stability it needs to keep my scooter in place. Fits perfectly around the wheel spokes and is very durable.

### ⭐⭐⭐⭐⭐ Great for e-bikes
*by A***L on November 15, 2025*

All I can say is this is an outstanding bicycle lock for our e-bikes.

## Frequently Bought Together

- NDakter Bike Locks Heavy Duty Anti Theft 18mm Thick, Motorcycle U Lock with 4FT x 6mm Chain for Moped, 3Keys Large U-Shaped Electric Bicycle Wheel Lock for Ebike,Escooter, Fat-Tire Durt-Bike, Tribike
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-01*