---
product_id: 38303503
title: "Keeper 712 Bike Chain Lock, 4ft Heavy Duty Anti-Theft Lock"
brand: "kryptonite"
price: "478.59 DT"
currency: TND
in_stock: true
category: "Kryptonite"
url: https://www.desertcart.tn/products/38303503-keeper-712-bike-chain-lock-4ft-heavy-duty-anti-theft
store_origin: TN
region: Tunisia
---

# 7mm hardened steel chain weather-resistant nylon sleeve includes 2 high-security keys Keeper 712 Bike Chain Lock, 4ft Heavy Duty Anti-Theft Lock

**Brand:** kryptonite
**Price:** 478.59 DT
**Availability:** ✅ In Stock

## Summary

> 🔒 Lock in confidence, ride with freedom.

## Quick Answers

- **What is this?** Keeper 712 Bike Chain Lock, 4ft Heavy Duty Anti-Theft Lock by kryptonite
- **How much does it cost?** 478.59 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/38303503-keeper-712-bike-chain-lock-4ft-heavy-duty-anti-theft)

## Best For

- kryptonite enthusiasts

## Why This Product

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

## Key Features

- • **Weatherproof Armor:** Durable nylon sleeve shields your bike and lock from scratches and harsh elements, keeping your gear pristine rain or shine.
- • **Compact 120cm Flexibility:** Perfectly sized for versatile locking options without bulk—secure your bike, scooter, or gate with ease.
- • **Unbreakable 7mm Hardened Steel:** Four-sided links engineered to resist cutting and leverage attacks, securing your ride with industrial-grade strength.
- • **Exclusive Anti-Theft Protection:** Register for Kryptonite’s KeySafe and Anti-Theft Protection Offer—because your security deserves a backup plan.
- • **Pick & Drill Resistant Cylinder:** Advanced disc-style lock mechanism offers superior protection against tampering, giving you peace of mind on every ride.

## Overview

The Kryptonite Keeper 712 is a 4ft (120cm) heavy-duty bike chain lock crafted from 7mm four-sided hardened manganese steel links. Featuring a weather-resistant nylon sleeve and a pick- and drill-resistant disc-style cylinder, it offers moderate security (rated 5/10) ideal for everyday cyclists. Weighing 1.7kg and including two keys, it combines robust protection with flexible use, backed by Kryptonite’s Anti-Theft Protection and KeySafe programs.

## Description

Keeper 712 Integrated Chain Lock features 7mm four-sided chain links made from 3t manganese steel. Patent-Pending End Link Design secures chain to hardened deadbolt eliminating critical vulnerability and providing extra holding power. High security disc-style cylinder is pick and drill resistant; resists most common hand tools. Durable weather-resistant nylon sleeve prevents scratches to painted finishes and protects the chain against the elements. With a 48-inch (120cm) chain length, the Kryptonite Keeper 712 is a flexible, compact and easy to use deterrent security.

## Features

- HEAVY-DUTY CHAIN: Made from 7mm hardened steel with four-sided links, this bike lock provides maximum resistance against cutting and leverage attacks
- PROTECTIVE FEATURES: Durable rubber coating around helps prevent scratching and wear and tear on your bike. Durable WEATHER-RESISTANT nylon sleeve prevents scratches
- DURABLE DESIGN: Keeper 712 Integrated Chain extends up to 120cm (47.3 in) in circumference, crafted from 7mm hardened steel links. Heavy-duty bike lock weighs 1.70kg (3.75 lbs). Includes two keys and rated 5/10 for moderate security on our scale.
- ATPO & KEYSAFE PROGRAM ELIGIBLE: Register to qualify for Kryptonite's Anti-Theft Protection Offer and KeySafe key replacement service

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00WE0A0JA |
| Additional Features | Anti-theft |
| Best Sellers Rank | #10,474 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #16 in Bike Chain Locks |
| Brand Name | Kryptonite |
| Color | Black |
| Control Method | Touch |
| Controller Type | Hand Control |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,158) |
| Finish Types | Painted |
| Global Trade Identification Number | 00720018001706 |
| Included Components | Kryptonite 001706 |
| Item Dimensions | 7.09 x 7.09 x 1.18 inches |
| Item Highlight | Weather-resistant, 120cm long, hardened steel 7mm links, 2 keys, 5/10 security rating, for motorcycles, scooters, or gates |
| Item Type Name | LOCK |
| Item Weight | 3.7 pounds |
| Lock Type | Pin Tumbler |
| Manufacturer | Kryptonite |
| Manufacturer Part Number | 001706 |
| Manufacturer Warranty Description | Manufacturer Warranty |
| Material Type | Alloy Steel |
| Model Name | Kryptonite Keeper 712 Integrated Chain |
| Model Number | 720018001706 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Recommended Uses For Product | Cycling, outdoor |
| Shape | catena |
| Style Name | Kryptonite Cadena Antirrobo Keeper 712-7mmx120cm Integrado 32" 001706 Black |
| UPC | 720018001706 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Kryptonite
- **Item dimensions L x W x H:** 7.09 x 7.09 x 1.18 inches
- **Lock Type:** Pin Tumbler
- **Material:** Alloy Steel
- **Special Feature:** Anti-theft

## Images

![Keeper 712 Bike Chain Lock, 4ft Heavy Duty Anti-Theft Lock - Image 1](https://m.media-amazon.com/images/I/81YrgF7RyIL.jpg)

## Available Options

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

## Questions & Answers

**Q: does this chain have keys**
A: Yes. It comes with a set of 2 keys

**Q: how big a hole in diameter does it need to fit through?**
A: The 48" Keeper 712 has a 1.3 inch diameter at the thickest part.

**Q: is it 'lead' free?**
A: This product does actually contain lead, and has a prop-65 warning.  You can look on the Kryptonite website directly for more information.

**Q: Does this lock have theft protection?**
A: This lock PROVIDES theft protection for your bike/trike/whatever. It is very secure, requiring a key to open. They send two keys with the lock. The heavy sleeve over the robust chain protects whatever it touches. I've had mine for over two years and it shows no wear. It's a great item.

## Frequently Bought Together

- Kryptonite Keeper 712 Bike Chain Lock, 4 Feet Long Heavy Duty Anti-Theft Bicycle Chain Lock with Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence,Black
- Lamicall Bike Phone Holder, Motorcycle Phone Mount - Motorcycle Handlebar Cell Phone Clamp, Scooter Phone Clip for iPhone 15 Pro Max/Plus, 14 Pro Max, S9, S10 and More 4.7" to 6.8" Smartphones
- Wsdcam 113dB Bike Alarm Wireless Vibration Motion Sensor Waterproof Motorcycle Alarm with Remote

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.tn/products/38303503-keeper-712-bike-chain-lock-4ft-heavy-duty-anti-theft](https://www.desertcart.tn/products/38303503-keeper-712-bike-chain-lock-4ft-heavy-duty-anti-theft)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-17*