---
product_id: 70277552
title: "Kryptonite Keeper 712 Combo Bike Chain Lock, 4-Foot 7mm Steel Heavy Duty Anti-Theft Resettable Combination Chain for Bicycles, E-Bikes & Scooters, Sold Secure Bronze | chain-bike-locks"
brand: "kryptonite"
price: "¥25706"
currency: JPY
in_stock: true
category: "Kryptonite"
url: https://www.desertcart.jp/products/70277552-kryptonite-keeper-712-combo-bike-chain-lock-4-foot-7mm
store_origin: JP
region: Japan
---

# 4-ft (120 cm) compact length 7mm 3T manganese steel chain 4-digit resettable combo Kryptonite Keeper 712 Combo Bike Chain Lock, 4-Foot 7mm Steel Heavy Duty Anti-Theft Resettable Combination Chain for Bicycles, E-Bikes & Scooters, Sold Secure Bronze | chain-bike-locks

**Brand:** kryptonite
**Price:** ¥25706
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Lock in your ride, unlock your freedom!

## Quick Answers

- **What is this?** Kryptonite Keeper 712 Combo Bike Chain Lock, 4-Foot 7mm Steel Heavy Duty Anti-Theft Resettable Combination Chain for Bicycles, E-Bikes & Scooters, Sold Secure Bronze | chain-bike-locks by kryptonite
- **How much does it cost?** ¥25706 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/70277552-kryptonite-keeper-712-combo-bike-chain-lock-4-foot-7mm)

## 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

- • **Peace of Mind Guaranteed:** Sold Secure Bronze rating plus lifetime warranty and anti-theft protection program.
- • **Unmatched Urban Security:** Heavy-duty 7mm four-sided manganese steel chain resists cutting & leverage attacks.
- • **Scratch-Free & Weatherproof:** Durable nylon sleeve shields your bike frame and chain from damage and elements.
- • **Perfectly Portable Protection:** Compact 4-foot length balances secure reach with easy everyday carry.
- • **Customizable Combo Convenience:** Over 10,000 code possibilities with smooth, resettable 4-digit dial—never worry about lost keys.

## Overview

The Kryptonite Keeper 712 Combo is a 4-foot, 7mm thick heavy-duty bike chain lock made from hardened 3T manganese steel, designed to resist cutting and leverage attacks. Rated Sold Secure Bronze and featuring a weather-resistant nylon sleeve, it offers reliable protection for city bikes, e-bikes, and scooters. Its resettable 4-digit combination lock provides over 10,000 code options, backed by Kryptonite’s Combo Safe Program and a limited lifetime warranty for lasting security and peace of mind.

## Description

The 712 Integrated Chain features an end-link locking point for extensive holding power and 7mm four-sided chain links made from 3T manganese steel. Rated at a 5 / 10 on our security scale, it is good for quick stops in a metropolitan area, a few hours in the suburbs or overnight in rural areas. The hardened deadbolt design provides extra holding power and the disc-style cylinder is both pick and drill resistant. The lock comes with two new ergonomic "I" keys and a weather-resistant nylon sleeve to prevent scratches. The lock is 120 cm long and weighs 3.75 lbs.

## Features

- HEAVY‑DUTY ANTI‑THEFT BIKE CHAIN LOCK: Built with 7 mm four‑sided 3T manganese steel chain links, this heavy‑duty bike chain lock provides strong resistance against cutting and leverage attacks, making it ideal for city bikes, e‑bikes, scooters, and motorcycles
- SOLD SECURE BRONZE RATED SECURITY: Certified by Sold Secure and rated a 5/10 on Kryptonite’s internal security scale, this lock meets Bronze‑level standards for resistance against common theft methods. Featuring a patent-pending end link design for keyless holding power, it is perfectly suited for moderate‑risk areas, quick stops, and everyday commuting
- 4‑FT (120 CM) COMPACT & STRONG CHAIN DESIGN: The Kryptonite Keeper 712 Combo features a 4‑ft (approx. 120 cm / 47.2 in) length, offering the perfect balance of secure locking reach for thicker poles and easy portability; total lock weight is approx. 4.5 lbs (2.04 kg)
- PROTECTIVE NYLON SLEEVE & WEATHER RESISTANCE: Includes a durable, weather‑resistant nylon sleeve to help protect your bike frame from scratches and paint damage, while shielding the heavy-duty chain against the elements to extend its lifespan
- CUSTOMIZABLE 4-DIGIT COMBINATION: Features a smooth, positive-indexing dial with a 4-digit resettable combination, giving you over 10,000 possible codes. It is fully backed by the Kryptonite Combo Safe Program, which securely stores your code online in case you ever forget it
- ANTI‑THEFT PROTECTION & LIFETIME WARRANTY: Eligible for Kryptonite’s Anti‑Theft Protection Offer (ATPO) with coverage for registered locks. Kryptonite also offers a limited lifetime warranty and dedicated Customer Experience support, ensuring total peace of mind and product quality

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B078HTBSY6 |
| Additional Features | Portable |
| Best Sellers Rank | #9,352 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #12 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 (755) |
| Finish Types | Unfinished |
| Global Trade Identification Number | 00720018003298 |
| Included Components | Chain |
| Item Dimensions | 15 x 4 x 6 inches |
| Item Type Name | Security Lock |
| Item Weight | 4.5 pounds |
| Lock Type | Combination Lock |
| Manufacturer | Kryptonite |
| Manufacturer Part Number | 003298 |
| Manufacturer Warranty Description | Limitied Lifetime Warranty |
| Material Type | Alloy Steel |
| Model Name | Kryptonite Keeper 712 Combo Chain |
| Model Number | 720018003298 |
| Number of Pieces | 1 |
| Recommended Uses For Product | Security |
| Shape | Round |
| Style Name | Chain Lock |
| UPC | 720018003298 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Kryptonite
- **Item dimensions L x W x H:** 15 x 4 x 6 inches
- **Lock Type:** Combination Lock
- **Material:** Alloy Steel
- **Special Feature:** Portable

## Images

![Kryptonite Keeper 712 Combo Bike Chain Lock, 4-Foot 7mm Steel Heavy Duty Anti-Theft Resettable Combination Chain for Bicycles, E-Bikes & Scooters, Sold Secure Bronze | chain-bike-locks - Image 1](https://m.media-amazon.com/images/I/81bX4mdDWOL.jpg)
![Kryptonite Keeper 712 Combo Bike Chain Lock, 4-Foot 7mm Steel Heavy Duty Anti-Theft Resettable Combination Chain for Bicycles, E-Bikes & Scooters, Sold Secure Bronze | chain-bike-locks - Image 2](https://m.media-amazon.com/images/I/51K2xMfu+kL.jpg)
![Kryptonite Keeper 712 Combo Bike Chain Lock, 4-Foot 7mm Steel Heavy Duty Anti-Theft Resettable Combination Chain for Bicycles, E-Bikes & Scooters, Sold Secure Bronze | chain-bike-locks - Image 3](https://m.media-amazon.com/images/I/81Wl-QTnXhL.jpg)
![Kryptonite Keeper 712 Combo Bike Chain Lock, 4-Foot 7mm Steel Heavy Duty Anti-Theft Resettable Combination Chain for Bicycles, E-Bikes & Scooters, Sold Secure Bronze | chain-bike-locks - Image 4](https://m.media-amazon.com/images/I/7146e+yjIGL.jpg)
![Kryptonite Keeper 712 Combo Bike Chain Lock, 4-Foot 7mm Steel Heavy Duty Anti-Theft Resettable Combination Chain for Bicycles, E-Bikes & Scooters, Sold Secure Bronze | chain-bike-locks - Image 5](https://m.media-amazon.com/images/I/818iDqmLjEL.jpg)

## Frequently Bought Together

- Kryptonite Keeper 712 Combo Bike Chain Lock, 4 Feet Long 7mm Steel Chain Heavy Duty Anti-Theft Bicycle Chain Lock, 4-Digit Resettable Combination Lock for E-Bike Scooter Road Mountain Bikes
- Apple AirTag 4 Pack
- 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 Japan*
*Store origin: JP*
*Last updated: 2026-08-04*