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Heavy-Duty 5-Digit Bike Chain Lock Anti-Theft Security for Road & MTB

(5.0)
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Ride With Confidence and Secure Your Bike Anywhere

Keep your bike safe wherever you go with this heavy-duty 5-digit bike chain lock. Designed for cyclists who want both strength and convenience, this lock gives you reliable security without the need for keys. Its thick alloy steel chain and advanced password system make it a smart choice for anyone who values peace of mind on every ride.

Strong and Durable Protection

Crafted from hardened alloy steel, the chain is built to withstand cutting, sawing, and tampering. The lock mechanism features a 5-digit password combination, offering up to 100,000 possible code variations. This makes it far more secure than traditional 4-digit locks. The chain is wrapped in a protective cover that prevents scratches on your bike frame while ensuring long-lasting durability.

When and Where to Use

This bike lock is perfect for daily commutes, weekend rides, and urban stops. Whether you’re parking at school, work, or outside a café, it keeps your bike secure in both busy city areas and quiet neighborhoods. Lightweight enough to carry yet strong enough to resist thieves, it’s a dependable companion for road bikes, mountain bikes, and e-bikes alike.

Why This Lock Stands Out

  • Maximum Security: 5-digit password offers stronger protection than standard locks.
  • Heavy-Duty Build: Thick alloy steel resists cutting and tampering.
  • Scratch-Resistant Cover: Protects your bike’s paint and finish.
  • Keyless Convenience: No more worrying about losing keys—just set your personal code.
  • Versatile Use: Ideal for mountain bikes, road bikes, and city commuting.

Take Control of Your Bike’s Safety

Don’t leave your bike’s security to chance. With its tough build, smart design, and easy-to-use password lock, this chain lock gives you unmatched protection and confidence every time you ride. Upgrade your bike security today and enjoy every journey without worry. Secure your ride—because your adventures deserve nothing less.
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Shipping & Payment

Shipping

We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:

Location *Estimated Shipping Time
United States 5-20 Business days
Canada, Europe 5-20 Business days
Australia, New Zealand 5-20 Business days
Central & South America 5-20 Business days
Asia 5-20 Business days
Africa 5-20 Business days
*This doesn’t include our 1-3 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.

Returns

Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.

Refunds

Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time (45 days not including 1-3 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside of our control (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside of our control.

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message at support@sellvia.com

Exchanges

If for any reason you would like to exchange your product, perhaps for a different size in clothing, you must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

Refunds & Returns

Refunds, returns, and exchanges

In the event that your order arrives damaged in any way, please email us as soon as possible at support@sellvia.com with your order number and a photo of the item’s condition. We address these on a case-by-case basis but will try our best to work towards a satisfactory solution.

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