---
product_id: 99689857
title: "Kryptonite Keeper Standard Bike U-Lock, 12mm Hardened Steel Bicycle Lock | Heavy Duty Anti-Theft Shackle, Sold Secure Silver Rating, Includes Mounting Bracket and 2 Stainless Steel Ergonomic Keys"
brand: "kryptonite"
price: "$117.17"
currency: USD
in_stock: true
reviews_count: 13
category: "Kryptonite"
url: https://www.desertcart.us/products/99689857-kryptonite-keeper-standard-bike-u-lock-12mm-hardened-steel-bicycle
store_origin: US
region: United States of America
---

# 12mm hardened steel shackle Sold Secure Silver anti-theft rating Includes quick-mount bracket for easy transport Kryptonite Keeper Standard Bike U-Lock, 12mm Hardened Steel Bicycle Lock | Heavy Duty Anti-Theft Shackle, Sold Secure Silver Rating, Includes Mounting Bracket and 2 Stainless Steel Ergonomic Keys

**Brand:** kryptonite
**Price:** $117.17
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in your ride, lock out the worry — security that rides with you.

## Quick Answers

- **What is this?** Kryptonite Keeper Standard Bike U-Lock, 12mm Hardened Steel Bicycle Lock | Heavy Duty Anti-Theft Shackle, Sold Secure Silver Rating, Includes Mounting Bracket and 2 Stainless Steel Ergonomic Keys by kryptonite
- **How much does it cost?** $117.17 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/99689857-kryptonite-keeper-standard-bike-u-lock-12mm-hardened-steel-bicycle)

## 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

- • **Vinyl-Coated Shackle:** Protects your bike’s finish while enhancing durability against weather and wear
- • **Versatile Quick-Mount Bracket:** Snap-in design for effortless, hands-free transport on your bike frame
- • **Ergonomic Stainless Steel Keys:** Designed to reduce torque and prevent bending or breaking under pressure
- • **Unyielding 12mm Hardened Steel:** Resists cutting and leverage attacks for ultimate bike security
- • **Silver-Standard Anti-Theft Protection:** Sold Secure Silver rating ensures trusted defense in urban and suburban settings

## Overview

The Keeper Standard Bike U-Lock features a robust 12mm hardened steel shackle with a double deadbolt design, delivering strong resistance against cutting and twisting attacks. Rated Sold Secure Silver, it offers reliable protection for quick stops or extended parking in diverse environments. The lock includes two ergonomic stainless steel keys and a patented snap-in mounting bracket for convenient, hands-free transport. Its vinyl-coated shackle safeguards your bike’s finish while enhancing weather resistance, making it a trusted choice for millennial professionals who demand both security and style.

## Description

The Kryptonite Keeper Standard U-Lock features a 12 mm hardened steel shackle with a double deadbolt anti-rotation design that resists bolt cutters and twisting leverage attacks. The lock’s disc-style cylinder with center keyway is protected by a vinyl coating and is pick and drill resistant. It includes two stainless steel keys with an ergonomic design to reduce torque and keep them from bending or breaking. Rated at a 5 / 10 on our security scale, the Keeper Standard is good for quick stops in a metropolitan area, a couple hours in the suburbs or all day & overnight in rural areas. It also includes our patented Side Mount, Snap-In Bracket providing convenient U-Lock transport. The combination of these great features and our support programs including Key Safe, Anti-Theft Protection, and Lifetime Warranty make Kryptonite Bicycle Locks the best choice for protecting what you value.

Review: Good product for the price - The lock is kinda finicky but otherwise a sturdy quality product
Review: Longer shape to also lock front rim - Big enough to lock in around the frame and the front rim, a necessity in cleveland

## Features

- HIGH-SECURITY DESIGN: Made from a 12mm hardened steel shackle, this bike lock provides excellent resistance against cutting and leverage attacks
- MULTI-FUNCTIONAL: This Kryptonite bike lock is ideal to secure your bicycles, sports equipment, gates and fences, tool boxes & ladders, grills & lawnmowers, skateboards, truck bed and more
- SPECIFICATIONS: U-Lock interior locking dimensions are 4 in. x 8 in, 12.mm steel shackle with a weight of 2.05 lbs. Includes two stainless steel keys with an ergonomic design
- PROTECTIVE FEATURES: Durable vinyl coating around the shackle helps prevent scratching and wear and tear on your bike. The high-security disc-style cylinder keyway is pick and drill resistant
- EASY TRANSPORT with BRACKET: Includes a versatile bracket for quick and secure mounting to your bike frame, ensuring convenient transport without the need for a bag or backpack.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B078HHPQLD |
| Additional Features | Weather Resistant |
| Best Sellers Rank | #5,931 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #12 in Bike U-Locks |
| Brand | Kryptonite |
| Brand Name | Kryptonite |
| Color | Black |
| Connectivity Protocol | Wi-Fi |
| Control Method | App |
| Controller Type | Hand Control |
| Customer Reviews | 4.4 out of 5 stars 1,807 Reviews |
| Finish Types | Unfinished |
| Global Trade Identification Number | 00720018004196 |
| Included Components | U-Lock^Bracket^Key(2) |
| Item Dimensions | 3.15 x 1.18 x 1.18 inches |
| Item Type Name | Bicycle Lock |
| Item Weight | 2.1 pounds |
| Item dimensions L x W x H | 3.15 x 1.18 x 1.18 inches |
| Lock Type | Combination Lock |
| Manufacturer | Kryptonite |
| Manufacturer Part Number | 4196 |
| Manufacturer Warranty Description | Limited Lifetime Warranty |
| Material | Hardened Steel |
| Material Type | Hardened Steel |
| Model Name | Keeper 12 Standard |
| Model Number | 004196 Keeper 12 Standard |
| Number of Items | 4 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Recommended Uses For Product | Security |
| Shape | U Shape |
| Special Feature | Weather Resistant |
| Style Name | Standard |
| UPC | 720018004196 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Kryptonite
- **Item dimensions L x W x H:** 3.15 x 1.18 x 1.18 inches
- **Lock Type:** Combination Lock
- **Material:** Hardened Steel
- **Special Feature:** Weather Resistant

## Images

![Kryptonite Keeper Standard Bike U-Lock, 12mm Hardened Steel Bicycle Lock | Heavy Duty Anti-Theft Shackle, Sold Secure Silver Rating, Includes Mounting Bracket and 2 Stainless Steel Ergonomic Keys - Image 1](https://m.media-amazon.com/images/I/71of+0O8n1L.jpg)

## Available Options

This product comes in different **Pattern, Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good product for the price
*by M***W on May 16, 2022*

The lock is kinda finicky but otherwise a sturdy quality product

### ⭐⭐⭐⭐⭐ Longer shape to also lock front rim
*by R***L on March 20, 2026*

Big enough to lock in around the frame and the front rim, a necessity in cleveland

### ⭐⭐⭐⭐⭐ It locks
*by A***R on January 13, 2026*

It's a lock, what more can I say. It locks and unlocks so 5 stars I guess.

## Frequently Bought Together

- Kryptonite Keeper Standard Anti-Theft U-Lock, Heavy Duty, 12mm Shackle, Black, Combination Lock, Lifetime
- Kryptonite Keeper 785 Bike Chain Lock, 2.8 Feet Long Heavy Duty Anti-Theft Bicycle Chain Lock with Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence
- Apple AirTag

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**Shop now:** [https://www.desertcart.us/products/99689857-kryptonite-keeper-standard-bike-u-lock-12mm-hardened-steel-bicycle](https://www.desertcart.us/products/99689857-kryptonite-keeper-standard-bike-u-lock-12mm-hardened-steel-bicycle)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-10*