Bull Mastiff 8103 Padlock
$ 16.99
In stock
Bull Mastiff 8103 Padlock
Part #: 57-9616
Onguard quality guaranteed.
Available for ship to store.
Bull Mastiff 8103 Padlock
Product Specifications
| Weight | 6.6 lbs |
|---|---|
| Dimensions | 6.5 × 4 × 1.5 in |
| Part Number | 57-9616 |
| MPN | 45008103 |
| Brand | Onguard |
| UPC | 768661281038 |
| MAP Policy | true |
| Country of Origin | China (Mainland) |
Product Description
Bull Mastiff 8103 Padlock is available now from Knobtown Cycle, your Kansas City motorcycle parts specialists.
Key Features
- Keyed padlock
- Smooth, one-handed rotary operation and tight shackle-to-body clearance to eliminate pry points and making cutting difficult.
- 5 heavy-duty F-style keys
Product Specifications
- Part Number: 57-9616
- Brand: Onguard
- Weight: 6.6 lbs
- UPC: 768661281038
Available at Knobtown Cycle
Shop online or visit our Kansas City showroom. Fast shipping available on all orders! Free Ship to Store!
Part Locations
| Location | Available |
|---|---|
| Ashley (IN) | 0 |
| Elizabethtown (PA) | 0 |
| Boise (ID) | 0 |
| Midway (GA) | 1 |
| Fresno (CA) | 0 |
| Jessup (MD) | 0 |
| Midlothian (VA) | 5 |
| National Total | 6 |
Stock levels last updated: March 8, 2026 5:04 PM
Professional Installation Available
Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.
Thank you for Shopping at Knobtown Cycle!
When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.
Product Reviews
Need help with installation? Our Service Department based in Kansas City, Missouri is here for you. Fill out a Service Request and lets get you rolling!

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