# ONGUARD Bulldog Medium 8013M Bicycle Lock — medium-duty chain lock, model ONG-8013M

**URL:** https://aio.lv/en/product--onguard-ong-8013m--12402796
**Data updated:** 2026-04-29 13:51 (EEST)
**Category:** Kids’ Ride-On Accessories
**Manufacturer:** ONGUARD
**Manufacturer code:** ONG-8013M
**EAN:** 7290001281420
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 47.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 39.66 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--onguard-ong-8013m--12402796

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

ONGUARD Bulldog Medium 8013M is a bicycle chain lock designed for securing bikes with a medium level of theft protection. Supplied as the ONG-8013M model, it uses a chained locking system suitable for everyday use, city commuting and short-term public parking. Its construction targets practical security for standard bicycles and accessories.

## Long description

ONGUARD Bulldog Medium 8013M is a medium-duty chain lock designed to secure bicycles during everyday use. The ONG-8013M combines a linked steel chain and a locking mechanism to offer practical protection for city commuting, short-term public parking and general-purpose bike security. Its size and construction target standard bicycles and common accessories, balancing portability and resistance against opportunistic tampering.
Advantages
The Bulldog Medium offers a compromise between weight and security: a hardened steel chain delivers cut resistance typical for medium-strength locks while remaining manageable to carry for daily riders. The locking head is designed for straightforward operation and the finish helps resist weathering during urban use. This model provides visible deterrence and simple handling without the bulk of heavy-duty chains.
Suitable for (tasks / use cases)
City commuting and short-term stops at shops, cafes or public transport hubs
Securing standard adult and children’s bicycles in low- to moderate-risk areas
Locking bicycles to street racks, posts or fixed objects for brief periods
Protecting accessories such as lights or small bags when left with the bike for short intervals
When it may not be suitable
This medium-duty chain lock is not intended for high-risk environments or long-term outdoor storage where determined thieves with heavy cutting tools may be present. For locations with frequent theft attempts or for securing high-value bicycles, a heavy-duty lock with thicker links or a U-lock rated for high security is recommended. Consider a more robust solution if the bike will be left unattended for extended periods in poorly supervised areas.
Key specifications
Lock type: chain lock with integrated locking mechanism
Security level: medium-duty protection suitable for everyday urban use
Material: hardened steel chain links (treated for cut resistance)
Portability: designed to be carried during daily commutes without excessive weight
Intended use: short-term parking, commuting, general-purpose bicycle security
How to use
Wrap the chain around the bicycle frame and a fixed object such as a rack or post, ensuring the chain passes through the frame and, if possible, a wheel. Insert the chain end into the locking mechanism and engage the lock according to the key or combination operation provided. Choose a visible, well-lit location and position the lock to minimize leverage points that could be targeted by tools. When not in use, carry the chain in an integrated sleeve or storage method to protect the bicycle finish and make transport easier.
What to consider before purchase
Assess typical parking duration and theft risk in your area to confirm medium-duty protection is adequate
Check weight and length to ensure the chain is practical for your commuting needs and fits your bike frame
Consider compatibility with where you usually lock your bike (racks, posts, bike parking) and whether the chain length is sufficient
Decide whether additional security measures (secondary lock, secure parking) are needed for higher-value bicycles
Usage recommendations
For routine urban use, position the Bulldog Medium to secure the frame and at least one wheel, avoid ground-level placement that gives leverage to tools, and pair with a secondary locking method if leaving a bicycle unattended for longer periods or in higher-risk locations.

## FAQ

### How much does the ONGUARD Bulldog Medium 8013M Bicycle Lock cost, and is it available for purchase?

The price is 47.99 € (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 14.07.2026 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/12402796/68687266_large.webp