---
product_id: 38303503
title: "Kryptonite Keeper 712 Bike Chain Lock, 4ft Heavy Duty Anti-Theft Lock"
brand: "kryptonite"
price: "₨2008"
currency: SCR
in_stock: true
url: https://www.desertcart.sc/products/38303503-kryptonite-keeper-712-bike-chain-lock-4ft-heavy-duty-anti
store_origin: SC
region: Seychelles
---

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

**Brand:** kryptonite
**Price:** ₨2008
**Availability:** ✅ In Stock

## Summary

> 🔒 Lock in your ride’s safety with Kryptonite Keeper 712 — because your bike deserves the best!

## Quick Answers

- **What is this?** Kryptonite Keeper 712 Bike Chain Lock, 4ft Heavy Duty Anti-Theft Lock by kryptonite
- **How much does it cost?** ₨2008 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/38303503-kryptonite-keeper-712-bike-chain-lock-4ft-heavy-duty-anti)

## 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

- • **Flexible Freedom:** 120cm (47.3 in) chain length offers versatile locking options for any ride
- • **Trusted Protection:** High-security disc-style cylinder resists picking and drilling for peace of mind
- • **Anti-Theft Assurance:** Register for Kryptonite’s Anti-Theft Protection Offer and KeySafe key replacement
- • **Unbreakable Backbone:** 7mm four-sided hardened steel links resist cutting & leverage attacks
- • **Scratch-Free Security:** Durable rubber coating and weather-resistant nylon sleeve protect your bike’s finish

## Overview

The Kryptonite Keeper 712 is a 4ft heavy-duty bike chain lock crafted from 7mm hardened steel with four-sided links, designed to resist cutting and leverage attacks. It features a weather-resistant nylon sleeve and rubber coating to protect your bike’s finish, includes two high-security keys, and offers moderate security with a 5/10 rating. Ideal for cyclists seeking reliable, flexible, and durable anti-theft protection backed by Kryptonite’s key replacement and anti-theft programs.

## Description

Protect your bike with confidence using the Kryptonite Keeper 712 Chain Lock, a durable security solution designed for everyday cyclists. Built for riders who need reliable protection at home, school, work, or around town, the Keeper 712 combines hardened steel construction with a convenient, flexible design that makes securing your bicycle simple and effective. The Keeper 712 features 7mm four-sided chain links made from 3T manganese steel , providing dependable resistance against theft attempts while maintaining flexibility for everyday use. Its patent-pending End Link Design secures the chain directly to a hardened deadbolt, eliminating a critical vulnerability found in many standard chain locks and providing additional holding power for enhanced security. Designed to withstand common attack methods, the Keeper 712 is equipped with a high-security disc-style cylinder that is both pick and drill resistant. This advanced lock cylinder helps protect against many of the most common hand tools used in theft attempts, giving riders greater peace of mind when leaving their bike unattended. With a 48-inch (120 cm) chain length , the Keeper 712 offers outstanding versatility for securing bicycles to bike racks, poles, fences, and other fixed objects. The longer chain design provides added flexibility when locking both the frame and wheel or when securing bikes in locations where shorter locks may not reach. Despite its robust construction, the chain remains compact and easy to handle, making it an excellent choice for daily commuting and recreational riding. A durable weather-resistant nylon sleeve surrounds the chain to help prevent scratches and scuffs on painted bicycle frames while also protecting the chain from exposure to the elements. This protective cover enhances durability while keeping your bike looking its best during everyday use. Ideal for commuters, students, recreational cyclists, and urban riders, the Keeper 712 is compatible with a wide variety of bicycles, including road bikes, mountain bikes, hybrid bikes, commuter bikes, cruisers, and many e-bikes. It can also be used to secure scooters and other personal mobility devices. Backed by Kryptonite's trusted reputation in bicycle security, the Keeper 712 delivers a practical combination of security, flexibility, and convenience. Whether you're making a quick stop or locking up for the day, this heavy-duty chain lock provides dependable protection to help keep your ride secure.

## Features

- HEAVY-DUTY ANTI-THEFT PROTECTION: Features 7mm four-sided chain links made from hardened manganese steel, providing strong resistance against cutting and theft attempts for everyday bike security
- 4 FT FLEXIBLE CHAIN DESIGN: The 120cm (4 ft.) chain length offers versatile locking options, making it easy to secure your bike frame and wheel to bike racks, poles, and other fixed objects
- HIGH-SECURITY LOCKING SYSTEM: Equipped with a hardened deadbolt locking mechanism and reinforced lock head designed to provide dependable protection in urban and suburban environments
- DURABLE WEATHER-RESISTANT COVER: A tough nylon sleeve helps protect your bike frame from scratches while shielding the chain from dirt, moisture, and daily wear
- CONVENIENT & RELIABLE: Includes 2 ergonomic keys and access to Kryptonite's Key Safe Program. Weighing approximately 3.75 lbs (1.70 kg), it delivers an excellent balance of security, durability, and portability for commuters and recreational riders

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Additional Features | Anti-theft |
| Asin | B00WE0A0JA |
| Best Sellers Rank | #10,616 in Sports & Outdoors (See Top 100 in Sports & Outdoors) #9 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 (2,224) 4.6 out of 5 stars |
| 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 Keying System | keyed_alike |
| 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 |
| Unit Count | 1 Count |
| Upc | 720018001706 |

## 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

![Kryptonite 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
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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-10-30*