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SKU: ULCK0349

OnGuard RockSolid 8590 U-Lock - Heavy-Duty 15mm Hardened Steel Shackle, Advanced X4P Quattro Locking Mechanism, Bump-Proof Z-Cylinder, Weather-Resistant Design, Secure Bicycle Lock for Ultimate Theft Protection

Regular price $217.37
$269.95 Sale price $217.37 Regular price
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$10 Gift Card

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Description

Secure Your Bicycle with Maximum Confidence - OnGuard RockSolid 8590 U-Lock (3.55" x 6.9")

The OnGuard RockSolid 8590 U-Lock is the ultimate choice for cyclists seeking top-tier bike security. Crafted with high-performance materials and advanced locking technology, this heavy-duty U-lock provides unmatched protection against theft, making it ideal for urban commuters, commuters, and bike enthusiasts alike.

Materials & Durability:

Constructed with a 15mm hardened steel shackle, the RockSolid lock offers superior resistance to cutting, sawing, and leverage attacks. The shackle is coated with a durable, anti-corrosive finish that guards against rust, weather, and UV damage, ensuring long-lasting performance in all riding conditions. Its weather-resistant design includes a centered keyway, all-metal end caps, and an automatic keyway cover that prevent dirt and moisture ingress, maintaining smooth operation over time.

Performance & Engineering:

Equipped with the revolutionary X4P Quattro olt locking mechanism, this lock secures the shackle at four points for enhanced strength and tamper resistance. Its Z-Cylinder technology is bump-proof, resistant to picking, drilling, and other malicious tactics, providing peace of mind during extended parking periods. The lock's compact yet rugged design makes it easy to carry without sacrificing security.

Components & Technology:

Innovative features such as all-metal end caps and a weather-resistant design ensure that the RockSolid U-lock performs reliably regardless of weather conditions. The automatic keyway cover protects the lock from debris and moisture, reducing maintenance needs and prolonging its life. The lock's precise machining and secure locking mechanism make it a reliable deterrent against even the most determined bike thieves.

Style & Use Case:

Designed with versatility and style in mind, the OnGuard RockSolid U-Lock is perfect for securing bikes in busy city environments, bike racks, and high-theft risk areas. Its sleek black finish complements any bike, while its robust construction offers maximum security without sacrificing portability. Whether you're commuting to work, heading to the trail, or parking downtown, this U-lock provides the peace of mind you need to confidently leave your bike unattended.

Why Choose the OnGuard RockSolid 8590 U-Lock?

- Heavy-duty 15mm hardened steel shackle with anti-cut coating

- Advanced X4P Quattro olt locking mechanism for maximum security

- Bump-proof Z-Cylinder resistant to picking, drilling, and forced entry

- Weather-resistant features for all-season durability

- Compact size (3.55" x 6.9") for easy portability and versatile use

Invest in the OnGuard RockSolid 8590 U-Lock - the trusted solution for protecting your bike with innovative security technology and unbeatable durability. Protect your ride today!

  • High-security U-lock with 15mm hardened steel shackle designed for maximum resistance to cutting, prying, and leverage attacks, ensuring unbeatable bicycle security.
  • Features the innovative X4P Quattro olt locking mechanism that secures the shackle at four points, providing superior protection against theft andUnauthorized access.
  • Constructed with a durable, weather-resistant coating and all-metal end caps, this lock offers excellent corrosion resistance and longevity in all cycling environments, from urban commutes to mountain adventures.
  • Equipped with the Z-Cylinder bump-proof and pick-resistant technology, delivering reliable performance and peace of mind in high-theft areas.
  • Compact and lightweight at 3.55 x 6.9 inches, making it easy to carry on bikes or in accessories while offering professional-grade security for your valuable bike components.
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We pride ourselves on our ability to ship and deliver your gear with excessive speed! We ship from 22 locations throughout the United States and most orders will arrive in 3 days or less with Free Shipping on orders over $75!

The nitty gritty, for specific delivery timelines please pay attention to the delivery timelines on the product pages and the time frame estimated in the carts. If you need a part by a specific day, please contact us by chat, phone, or

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Most orders placed during the workweek before 1:00 PM Eastern time ship the same day, but during peak/holiday season or depending on inventory location handling time can take up to 48 hours. If you have questions regarding shipping estimates, don't hesitate to get in touch with us before placing the order. There is a direct signature requirement for all orders over $500.

We provide the you the ability to utilize multiple shipping & billing addresses, based upon what fits your current needs. However you are responsible to maintain and update any new address changes, as 365 Cycles will not be held liable for orders being shipped to an incorrect address.

  • Our Mistake: If we messed it up you can rest assured we are going to make it right. Contact us by email, phone, or chat and we will make your head spin with how quick we fix it
  • Warranty: We are an authorized retailer for everything we sell, so rest assured your product is covered under the manufacturer's warranty. Contact Us if you are having an issue and we will make sure you are taken care of
  • Just don't want it anymore: We have a 30-day return policy for orders within the US. We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. If it's returned in this condition it may be denied and sent back to you

If you need to return your order please email us at info@365cycles.com, call us at 603-968-5797, or use the live chat on our site.

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*Please allow up to 3 business days for us to process your return*

365 Cycles puts the customer above everything. Our number one goal is your satisfaction. When you press the shift lever you want the gears to shift, and when you buy bicycle parts, you want the bicycle parts to arrive on time in new condition. With over 60,000 products and 22 warehouse locations throughout the country, we have the parts you need and they are coming in hot!

Living an active lifestyle is just that, a lifestyle that never goes away and our goal is to always exceed your expectations so we can take this lifelong journey together. We strive to have the parts you need, at competitive prices with unmatched shipping speeds!

If there is ever an issue with an order we will work at warp speed to fix our mistake and make sure you never go a day without a bicycle! If you are not receiving the quality of service you need from one of our exceptionally qualified bicycle experts, tell them Ben Berman told you to tell them "Customer Loyalty" and then name your terms.

Our team is waiting to help you 7 days a week and they are more qualified to help than I am but if you ever feel like you're not getting the service you need I’m personally asking you to email me at ben@365cycles.com with "CUSTOMER LOYALTY" in the title and I will personally handle your order.

Over the years we have served millions of satisfied customers and continue to serve many of them today. With your feedback, we are confident we can take this lifelong journey together and build a friendship that goes beyond parts and accessories.

“If you want to go fast, go alone, if you want to go far, go together.” -Someone Smart

Ben Berman Founder & CEO of 365 Cycles


Company Core Values: 

These were established by the members of our team and we use them every week to call out team members who have shined in one of these areas. Feel free to let us know at info@365cycles.com if someone you worked with has gone above and beyond in one of these areas. 

Customer Loyalty

Put yourself in their shoes and support those who support us.

You Control the Outcome

If it is to be, it’s up to me" You are personally responsible for controlling the outcome.

Seek Understanding

Understanding the answer is more important than the answer.

Progress Not Perfection

Pick a direction, analyze the results, and be willing to change course.

Will to Win

Customers, 365 Team, Partners, all need the will to win. Bring the Will to Win to every conversion.

Keep Moving

Move the body, move the mind, and remove any hurdles to achieving an active lifestyle.

Do the Right Thing:

Doing the right thing is more important than doing the thing right.

Stronger together:

If you want to go fast, go alone, if you want to go far, go together. Get your team involved and become stronger together.

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