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

**URL:** https://aio.lv/en/product--bell-bel-39280-067-l--12406048
**Data updated:** 2026-04-30 18:35 (EEST)
**Category:** Protective Helmets
**Manufacturer:** BELL
**Manufacturer code:** BEL-39280-067-L
**EAN:** 199270049168
**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-l--12406048

## 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 is a mountain bike helmet featuring Integrated MIPS technology for rotational impact protection. This solid matte white size L helmet offers ventilation and trail-focused coverage for cross-country and all-mountain riding. Designed to protect the head during off-road cycling while providing a comfortable fit for long rides.

## Long description

BELL 4FORTY AIR Integrated MIPS is a mountain bike helmet designed to offer trail-oriented protection and ventilation for cross-country and all-mountain riders. The shell provides extended coverage around the back and sides of the head while integrated MIPS technology helps reduce rotational forces in certain impacts. This size L helmet in solid matte white is intended for riders who need a balance of airflow, coverage and a stable fit for longer off-road sessions.
Advantages
The helmet combines integrated rotational impact protection with focused ventilation channels to maintain airflow without compromising coverage. Its construction provides a secure fit that reduces movement during active trail riding and the matte finish resists glare for consistent visual appearance. The design emphasizes protection in common impact zones while keeping weight appropriate for extended use.
Suitable for
 Cross-country mountain biking where ventilation and light weight matter
 All-mountain and trail riding requiring extended rear and side coverage
 Riders seeking a size L helmet with a neutral matte white look
 Long rides where a stable, comfortable fit is important
When it may not be suitable
This helmet may not be the best option for riders who need a full-face helmet for downhill racing or activities that require additional facial protection. It is also not a substitute for helmets designed specifically for urban commuting with integrated lighting or for multi-sport helmets that include certification for other sports.
Key specifications
 Fit size: Large (L)
 Color: Solid matte white
 Protection: Integrated rotational impact protection system
 Coverage: Extended rear and side head coverage for trail riding
 Ventilation: Multiple airflow channels for improved cooling
 Intended use: Mountain bike — cross-country and all-mountain
How to use
Position the helmet level on the head so the front edge sits just above the eyebrows. Adjust the retention system and straps to achieve a snug, stable fit—the helmet should not shift when moving the head vigorously. Ensure the chin strap is fastened and adjusted so only two fingers can fit between the strap and the chin. Periodically inspect the helmet for damage after any crash and replace it if structural compromise is observed.
What to consider before purchase
 Confirm head circumference and fit for size L to ensure a secure, comfortable fit
 Check that the helmet meets the safety standards required in your region for mountain biking
 Consider whether you need additional facial protection (full-face helmet) for your riding style
 Evaluate ventilation needs based on typical riding temperatures and intensity
Usage recommendations
Use the helmet for trail and cross-country rides where lightweight protection and ventilation are priorities. Replace the helmet after significant impact or when padding and retention components show wear. Combine with goggles or glasses as needed for eye protection and clean the helmet with mild soap and water; avoid solvents or abrasive cleaners.

## FAQ

### How much does the BELL 4FORTY AIR Integrated MIPS helmet L 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 — 12 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 L 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/12406048/68692590_large.webp