# ONGUARD Mastiff Chain with Integrated Key Lock (110cm x 10mm)

**Brand:** [ONGUARD](https://shop.coreranger.com/brands/ONGUARD)
**SKU:** 45008020
**Price:** $107.95 · in stock
**URL:** https://shop.coreranger.com/product/onguard-mastiff-chain-with-integrated-key-lock-110cm-x-10mm-341781089

## Specifications

| Spec | Value |
|---|---|
| Type | Chain Lock |
| Color | Black |
| Model # | 45008020 |
| Internet # | 341781089 |
| Returnable | 90-Day |
| Store SKU # | 1016017086 |
| Manufacturer Warranty | non-transferable ltd lifetime on original defects |

## Description

The OnGuard Mastiff 3.5 ft. Chain Lock delivers serious protection for bikes, scooters, and e-bikes in medium-to-high risk environments. The 110 cm (3.57 ft.) chain is built with titanium-reinforced hardened steel hex links designed to resist cutting, prying, and leverage attacks. The chain integrates directly into a heavy-duty X2P Double Bolt Lock Head, securing both sides of the locking mechanism for exceptional pull resistance. A dual rubber housing helps protect frames and finishes from scratches while also improving durability and weather resistance. The advanced Z-Cylinder core adds protection against bumping, drilling, and picking attempts for dependable long-term security. Designed for riders who want strong yet manageable protection, this chain lock offers an ideal balance of durability, portability, and everyday convenience. Includes 5 precision laser-cut keys.

• Heavy-duty 10 mm steel chain with titanium reinforced links
• Dual rubber housing protects frames and finishes from scratches
• Z Cylinder core resist bumping, drilling or picking