# ONGUARD 5804 Bicycle Lock with 12mm Shackle

**URL:** https://aio.lv/en/product--onguard-ong-5804--11546025
**Data updated:** 2026-07-09 14:53 (EEST)
**Category:** Bicycle accessories
**Manufacturer:** ONGUARD
**Manufacturer code:** ONG-5804
**EAN:** 7290001258040
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 18.99 €
**Prices and availability valid until:** 2026-08-28 23:59
**Price without VAT (21%):** 15.69 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--onguard-ong-5804--11546025

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.08.2026 | free |
| Pickup points | 18.08.2026 | 1.79 EUR |
| Courier delivery to door | 18.08.2026 | 4.99 EUR |

## Summary description

The ONGUARD 5804 is a reliable keyed bicycle lock designed to provide essential security for your bike. Featuring a robust 12mm thick shackle, this lock offers a strong deterrent against theft. It is an ideal solution for securing bicycles in various urban environments, ensuring peace of mind during short stops or daily commutes.

## Long description

The ONGUARD 5804 is a dependable keyed bicycle lock engineered to provide essential security for your bicycle. Built with a robust 12mm thick steel shackle, this lock serves as a formidable deterrent against unauthorized access and theft. It is designed to offer reliable protection for cyclists who need a straightforward and effective security solution for their daily commutes or short stops in urban environments.
Advantages
This bicycle lock stands out due to its high-strength construction which provides a significant level of resistance against cutting and prying attempts. The compact design ensures that it is easy to transport while riding, fitting conveniently into a backpack or mounted to the bike frame. Its keyed locking mechanism is smooth and reliable, ensuring quick access when you need to secure or release your bicycle. The weather-resistant coating helps protect the lock from the elements, ensuring long-term durability and consistent performance in various outdoor conditions.
Suitable for
Securing bicycles during short stops in public areas
Daily commuting and urban cycling
Adding an extra layer of security to bike racks
Use in low to moderate risk environments
When it may not be suitable
This lock may not be suitable for securing high-value bicycles in high-risk areas for extended periods, such as overnight storage on city streets. For maximum security in high-theft zones, it is recommended to use this lock in combination with a secondary security device.
Key specifications
Shackle diameter: 12mm
Locking mechanism: Keyed
Material: Hardened steel
Design: U-lock style
How to use
To use the ONGUARD 5804, insert the key into the cylinder and turn it to release the shackle from the locking body. Position the shackle around your bicycle frame and a secure, immovable object such as a dedicated bike rack or a sturdy post. Once positioned, insert the shackle ends back into the locking body until you hear a click, ensuring it is fully engaged. Always ensure the lock is positioned in a way that minimizes ground clearance to prevent leverage attacks.
What to consider before purchase
Check the diameter of the shackle to ensure it fits your preferred locking points
Consider the weight and size for your specific transport needs
Evaluate the security level required for your local area
Usage recommendations
Regularly lubricate the locking cylinder with a silicone-based spray to maintain smooth operation and prevent debris buildup. Avoid dropping the lock on hard surfaces to maintain the integrity of the protective coating.

## FAQ

### How much does the ONGUARD 5804 Bicycle Lock cost, and is it available for purchase?

The price is 18.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 30 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 13.08.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All ONGUARD products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized ONGUARD service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11546025/66546297_large.webp