# MASTERLOCK 8390EURDPRO Chain Lock with 90cm Hardened Steel Chain and 40mm Laminated Steel Padlock

**URL:** https://aio.lv/en/product--masterlock-8390eurdpro--12481676
**Data updated:** 2026-05-27 17:58 (EEST)
**Category:** Bicycle accessories
**Manufacturer:** MASTERLOCK
**Manufacturer code:** 8390EURDPRO
**EAN:** 3520190929402
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 17.99 €
**Prices and availability valid until:** 2026-07-07 23:59
**Price without VAT (21%):** 14.87 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--masterlock-8390eurdpro--12481676

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.06.2026 | free |
| Pickup points | 29.06.2026 | 1.99 EUR |
| Courier delivery to door | 29.06.2026 | 4.99 EUR |

## Summary description

The MASTERLOCK 8390EURDPRO is a reliable chain lock featuring a 90cm long, 6mm thick hardened steel chain paired with a robust 40mm laminated steel padlock. Designed for enhanced security, this black chain lock provides a durable solution for protecting bicycles, gates, and outdoor equipment. Its hardened steel construction offers high resistance to cutting and sawing, ensuring long-lasting performance and peace of mind for everyday security needs.

## Long description

The MASTERLOCK 8390EURDPRO is a robust chain lock designed to provide reliable security for your valuable items. It features a 90cm long chain constructed from 6mm thick hardened steel, paired with a durable 40mm laminated steel padlock. This combination is engineered to withstand physical attacks, making it an effective deterrent against theft for various outdoor applications.
Advantages
The primary strength of this lock lies in its hardened steel construction, which offers significant resistance to cutting, sawing, and prying attempts. The chain is encased in a protective nylon sleeve that prevents scratches and damage to the surfaces of your bicycle or equipment. Additionally, the included padlock features a laminated steel body with a weather-resistant cover, ensuring reliable operation even in challenging outdoor conditions. The 4-pin cylinder mechanism and dual locking levers further enhance security by protecting against picking and hammering.
Suitable for
Securing bicycles and scooters
Locking gates and garden fences
Protecting outdoor equipment and tools
General residential security needs
When it may not be suitable
This chain lock is intended for standard security applications and may not be sufficient for high-risk areas where professional-grade power tools could be used. Due to its 90cm length, it may be too short for securing multiple items or locking a bicycle to large-diameter objects.
Key specifications
Chain length: 900 mm
Chain link diameter: 6 mm
Padlock width: 40 mm
Shackle diameter: 9 mm
Material: Hardened steel chain and laminated steel padlock
Protective features: Nylon chain sleeve and thermoplastic padlock cover
How to use
To use the lock, wrap the chain around the object you wish to secure and the fixed anchor point. Ensure the chain is pulled taut to minimize slack, which makes it harder for tools to gain leverage. Insert the padlock shackle through the end links of the chain and snap the lock shut. Ensure the keyway cover is closed after locking to protect the internal mechanism from dirt and moisture.
What to consider before purchase
Verify that the 90cm length is sufficient for your specific locking requirements.
Assess the security level needed for your environment.
Check if the 6mm chain thickness meets your insurance requirements for bicycle security.
Usage recommendations
Regularly lubricate the padlock cylinder to ensure smooth operation and keep the keyway cover closed to prevent debris accumulation. Avoid dropping the lock on hard surfaces to maintain the integrity of the protective thermoplastic coating.

## Specifications

| Feature | Value |
|---|---|
| Type | Chain lock |
| Width | 40 mm |
| Quantity | 1 |
| Product colour | Black |
| Length | 900 mm |
| Housing material | Steel |
| Cover material | Nylon |
| Lock type | Key |
| Cable material | Steel |
| Base material | Steel |
| Leaves no scratches | Yes |
| Products per master (outer) case | 6 pc(s) |
| Shackle material | Steel |
| Suitable for bicycle | Yes |
| Suitable for motorcycle | No |

## FAQ

### How much does the MASTERLOCK 8390EURDPRO Chain Lock with Padlock cost, and is it available for purchase?

The price is 17.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 11 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 22.06.2026 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 MASTERLOCK 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 MASTERLOCK 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

### Where can I download the instructions for MASTERLOCK 8390EURDPRO Chain Lock with Padlock?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/12481676/68808753_large.webp