# BELL 4FORTY AIR Integrated MIPS mountain bike helmet — solid matte white, size M

**URL:** https://aio.lv/en/product--bell-bel-39280-067-m--12405405
**Data updated:** 2026-04-30 18:34 (EEST)
**Category:** Protective Helmets
**Manufacturer:** BELL
**Manufacturer code:** BEL-39280-067-M
**EAN:** 199270049151
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 150.49 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 124.37 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--bell-bel-39280-067-m--12405405

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

BELL 4FORTY AIR Integrated MIPS is a mountain bike helmet in solid matte white, size M. It features integrated MIPS technology for rotational-impact protection and is designed for trail and enduro riding. The helmet provides ventilation, impact absorption, and a secure fit for everyday off-road use and technical descents.

## Long description

BELL 4FORTY AIR Integrated MIPS in solid matte white, size M, is a mountain bike helmet engineered for trail and enduro use. It combines a multi-impact shell design with integrated MIPS technology to reduce rotational forces in certain impacts, breathable channeling for airflow, and a fit system designed to hold the helmet securely during technical riding. The helmet is intended for everyday off-road use and more demanding descents where ventilation, impact management, and a stable fit are important.
Advantages
The helmet integrates a low-profile shell with a dedicated internal slip system that helps manage rotational energy during angled impacts while maintaining a compact shape. Ventilation channels and intake/exhaust ports assist in cooling on long climbs and hot conditions. The retention system and adjustable visor provide a secure fit and clear sightlines, and internal padding offers impact absorption and wearer comfort for extended rides.
Suitable for
Trail riding and enduro sessions where a balance of protection and ventilation is needed
Technical singletrack and moderate downhill sections
Everyday off-road riding and bikepacking on mixed terrain
When it may not be suitable
This helmet is designed for trail and enduro disciplines and may not provide the same coverage or integrated features as full-face downhill helmets required for extreme gravity riding. It is not a substitute for helmets certified for motorized activities or for non-cycling sports.
Key specifications
Fit size: Medium
Color: Solid matte white
Protection: Integrated rotational-impact mitigation system
Ventilation: Multiple intake and exhaust channels for airflow
Use: Trail and enduro mountain biking
Fit adjustment: Internal retention system with adjustable dial
Padding: Removable, washable comfort liner
How to use
Place the helmet level on your head so the front rim sits just above your eyebrows. Tighten the retention dial until the helmet feels snug but not restrictive, and adjust side straps to form a V around each ear. Fasten the chin strap and trim any excess to prevent flapping. Use the removable padding to refine fit and comfort. Inspect the helmet before each ride for cracks, excessive wear, or damage and replace it after a significant impact or if the shell or liner is compromised.
What to consider before purchase
Confirm correct size by measuring head circumference and comparing with the manufacturer’s size guide for Medium
Consider desired level of coverage versus full-face options for more aggressive downhill riding
Check compatibility with goggles, eyewear, and any communication or camera mounts
Usage recommendations
Use the helmet for trail and enduro riding where a balance of ventilation and integrated rotational protection is needed. Replace the helmet after any significant crash and follow the manufacturer’s care instructions for cleaning and storage to maintain performance.

## FAQ

### How much does the BELL 4FORTY AIR Integrated MIPS helmet — size M cost, and is it available for purchase?

The price is 150.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 16.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can BELL 4FORTY AIR Integrated MIPS helmet — size M be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 BELL 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 BELL 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/12405405/68692219_large.webp