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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
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Description
OnGuard RockSolid U-Lock (Angle-Grinder Resistant)Introducing the OnGuard RockSolid, the pinnacle of bike lock innovation. Engineered with cutting edge materials and advanced technology, this revolutionary lock stands as an impenetrable fortress against even the most determined thieves armed with angle grinders. X4P Quattro Bolt Locking Mechanism: Secures the shackle at four points for maximum security. Z Cylinder: New and improved, bump proof, and resistant to picking, pulling, and drilling. 15mm
Introducing the OnGuard RockSolid, the pinnacle of bike lock innovation. Engineered with cutting-edge materials and advanced technology, this revolutionary lock stands as an impenetrable fortress against even the most determined thieves armed with angle grinders.
- X4P Quattro Bolt Locking Mechanism: Secures the shackle at four points for maximum security.
- Z-Cylinder: New and improved, bump-proof, and resistant to picking, pulling, and drilling.
- 15mm (0.59”) Hardened Steel Shackle with RockSolid Patented Coating: Massive and robust, resists angle grinder cutting, prying, and jacking.
- Centered Keyway: Enhancing security.
- Co-Moulded Crossbar Cover and Double Rubber Coated Shackle: Protects your bike’s finish from scratches and damage.
- All-Metal End Caps: New and improved, providing additional protection against hits and drops.
- Automatic Keyway Cover: Seals the lock internals from the elements, prolonging its lifespan.
Crafted from a proprietary blend of ultra-high-strength materials and reinforced with a multi-layered defense system, the OnGuard RockSolid is virtually impervious to the cutting force of angle grinders. Its intricate structure is engineered to resist cutting, rendering any attempts to breach its fortified exterior futile.
Each component is meticulously designed and rigorously tested, ensuring unrivalled resistance to brute force attacks. The hardened, shrouded shackle is impervious to an angle grinder, defying even the most aggressive cutting attempts.
The OnGuard RockSolid not only provides unbeatable security but also offers a seamless user experience. Its ergonomic design ensures easy handling, making it the lightest angle grinder-resistant lock on the market.
Experience peace of mind like never before with the OnGuard RockSolid. Defy the odds, protect what matters most, and leave would-be thieves in awe of this unyielding fortress of two-wheel security.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Solid product
Color: Dark Grey Heather, Size: Large
Great feel, great fit. Perfect for layering
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Reviewed in the United States on December 14, 2025
★★★★★ 5
My favorite pullover
Great fit, quality, design, and value. It lightweight but also has a thickness so I can wear it on cool mornings in the Northeast. I highly recommend!
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Reviewed in the United States on February 17, 2026
★★★★★ 5
Great Pullover
Color: Light Blue, Size: 3X-Large
Stylish and functional. I'm wearing it right now!
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Lightweight, and fits great
Color: Olive Green, Size: 3X-Large
Love this hoodie, fits and feels great
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Great Quality
Color: Misty Grey, Size: X-Large
Great quality product. Washed well and can be worn both in the cool and warmer weather.
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Reviewed in the United States on April 11, 2026