Onguard Mastiff 8019L 15.5-Inch Loop Chain Lock with X4 Padlock - Harley & Indian V-Twin
About Onguard
Onguard parts and accessories are stocked at Vtwinbikers for Harley-Davidson and Indian Motorcycle applications. Every Onguard item we list is new and sourced through authorized distribution. If you are not certain a part matches your year and model, use Shop by Bike or email our team before you order and we will confirm fitment first.
The Onguard Mastiff 8019L loop chain lock provides robust security for your Harley-Davidson or Indian Motorcycle. This 15.5-inch titanium-reinforced hardened steel chain is paired with an X4 Quattro Bolt padlock, offering serious theft deterrence.
Why riders pick this
- 15.5-inch titanium-reinforced hexagonal steel chain
- Loop chain design for versatile anchoring
- X4 Quattro Bolt padlock for advanced security
- Includes five laser-cut keys, one with micro-light
Protecting your V-twin is a top priority, and the Onguard Mastiff 8019L delivers with uncompromising strength. Its 15.5-inch loop chain features titanium-reinforced hexagonal links, engineered to resist cutting and prying. The advanced X4 Quattro Bolt padlock mechanism provides superior security, ensuring that your motorcycle remains safe and sound wherever you park it.
Uncompromising V-Twin Security
- 15.5-inch hardened steel hexagonal link chain with loop end
- Titanium reinforcement for enhanced strength and cut resistance
- X4 Quattro Bolt padlock mechanism for superior locking power
- Includes five laser-cut keys, one with a built-in micro-light for dark conditions
Designed for Durability and Ease of Use
The Mastiff 8019L is built for the demands of motorcycle security, offering a perfect balance of strength and practicality. The loop chain design allows for versatile anchoring options, while the included micro-light key makes securing your bike in low-light situations effortless. This lock system is an essential investment for any V-twin rider serious about protecting their machine.
Specifications
- Brand: Onguard
- Manufacturer Part #: 45008019LP
- UPC: 768661280765
- Length: 15.5 in
- Width: 7.5 in
- Height: 2 in
- Weight: 8 lbs
- Country of Origin: China (Mainland)
Common questions
What is the length of this chain lock?
This Onguard Mastiff 8019L features a 15.5-inch (39cm) hardened steel chain with a loop end, providing a compact yet secure option for your V-twin.
How many keys are provided with this lock?
You will receive five laser-cut keys in total. One key includes a micro-light for convenience in low-light conditions, and four are standard grip keys.
Is this chain suitable for securing my Harley or Indian?
Yes, this hardened steel chain lock is specifically designed for V-twin motorcycles, including Harley-Davidson and Indian Motorcycle models, offering robust anti-theft protection.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Onguard |
| TYPE | Security |
| SKU | 57-9604 |
| WEIGHT | 8.0 lb |
