ONGUARD SKU: 57-9615

Onguard Bull Mastiff 8102 Padlock - Harley & Indian V-Twin

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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 Bull Mastiff 8102 padlock is engineered for serious V-twin security, featuring a robust laminated steel body and a hardened steel shackle. Designed with motorcycle owners in mind, it includes a non-marring bumper to protect your bike's paint and finishes from wear. This padlock offers superior resistance against cutting and prying, keeping your Harley-Davidson or Indian Motorcycle safe.

Why riders pick this

  • Laminated steel body for superior strength
  • 10mm hardened steel shackle resists cutting
  • Non-marring bumper protects paint and finishes
  • Weather-resistant for outdoor use
  • Includes five heavy-duty F-style keys

When it comes to securing your prized V-twin, compromise isn't an option. The Onguard Bull Mastiff 8102 padlock provides formidable protection with its heavy-duty construction. The laminated steel body and 10mm hardened steel shackle are built to withstand determined attacks, giving you confidence whether your bike is parked in the garage or out on the street.

Uncompromising Strength and Protection

  • Robust laminated steel construction with a smooth brass mechanism
  • 10mm hardened steel shackle resists cutting and prying attempts
  • Non-marring padlock bumper protects your bike's paint and finishes
  • Weather-resistant design for reliable outdoor storage
  • Includes five heavy-duty F-style keys for convenience

Designed for the V-Twin Rider

This padlock isn't just tough; it's also designed with practical motorcycle use in mind. The non-marring bumper is a crucial feature, preventing scratches and dings to your paintwork or chrome during regular use. Whether you're securing a chain, a gate, or another accessory, the Onguard Bull Mastiff 8102 is a reliable choice for any Harley-Davidson or Indian Motorcycle owner.

Specifications

  • Brand: Onguard
  • Manufacturer Part #: 45008102
  • UPC: 768661281021
  • Length: 6 in
  • Width: 4 in
  • Height: 1.5 in
  • Weight: 9.1 lbs
  • Country of Origin: China (Mainland)

Common questions

What is the shackle size of this padlock?

The Onguard Bull Mastiff 8102 padlock features a 10mm hardened steel shackle, designed to resist cutting attempts.

Will this padlock scratch my motorcycle's paint or chrome?

No, it features a non-marring bumper on the body, specifically designed to protect your paint, finishes, and chrome from dings and scratches during use.

How many keys are included with this padlock?

The Onguard Bull Mastiff 8102 padlock comes with five heavy-duty F-style keys, providing you with ample spares.

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.
BRANDOnguard
TYPESecurity
SKU57-9615
WEIGHT9.1 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
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