28% Off Full Price MIPS

Bell 4Forty Air MIPS Helmet Matte Black

Brand: Bell

SKU: Select a size

Size: Select a size

SM MD LG XL

$179.00 Full price

$179.00

Club price

$249.99 Full price

REQUEST A PRICE BEAT

Pick up Delivery

Your store:

No location set

No click & collect information available for this location.

Click & Collect:

In Store

Select a size to view stock availability at this store.

$9.90 Not available

Select a size to view stock availability at this location.

Have a Question? Ask an expert on 0800 000 283

Product Details

Description

Equipped with pro-level technology but designed with the privateer in mind, the Bell 4Forty Air Mips is the first choice for your next trail helmet. With a sleek new shell and 3-position visor, the benefits aren’t just visibly rad but functionally significant for increased air ventilation, effective sweat management, and better goggle compatibility. The Bell Float Fit™ system, built-in Sweat Guide™, and Ionic+™ padding ensures all-day comfort, while Integrated Mips® and extended hard-shell coverage help you stay committed in all shred conditions. Upgrades like eyewear ports, a Fidlock® magnetic buckle, and premium straps make the 4Forty Air Mips your go-to for daily trail riding.

Key Features

Integrated MIPS for enhanced impact protection
Float Fit system for a secure fit
3-position adjustable visor for optimal visibility
Ionic+ padding for all-day comfort
Fidlock magnetic buckle for easy adjustments

Specifications

Product Overview

Product

Bell 4Forty Air MIPS Helmet Matte Black

Brand

Bell

Parent SKU

PMBSTJ6B

Product Features

Weight

360g (Size M)

Frequently Asked Questions

What is the Bell 4Forty Air Helmet used for?

The Bell 4Forty Air Helmet is built for trail and enduro riding, providing impact protection, ventilation, and goggle-friendly visibility for off-road cycling.

Why choose the Bell 4Forty Air Helmet?

Choose the Bell 4Forty Air Helmet for integrated MIPS protection, all-day comfort features like Float Fit and Ionic+ padding, and convenient upgrades such as the Fidlock buckle and eyewear ports.

Who is the Bell 4Forty Air Helmet designed for?

The Bell 4Forty Air Helmet is designed for privateers and daily trail riders who want pro-level safety and comfort without sacrificing practical features for everyday shredding.

Integrated MIPS Protection

Engineered with built-in MIPS to reduce rotational forces during impacts. Extended hard-shell coverage adds confidence on technical trails.

All-Day Comfort Fit

Float Fit system plus Ionic+ padding and Sweat Guide keep the helmet secure and dry from first lap to last. Fidlock magnetic buckle and premium straps make adjustments fast and effortless.

Trail-Ready Ventilation & Visibility

Sleek shell, enhanced airflow, and a 3-position visor improve ventilation and goggle compatibility. Eyewear ports and thoughtful venting manage sweat and maintain clear sightlines.

Bell Adult Helmets

	XS	SM	MD	LG	XL
General Sizing (cm)	53 - 54	52 - 56	56 - 58	58 - 60	60 - 62
4Forty MIPS	-	52 - 56	55 - 59	58 - 62	61 - 65
Local	-	51 - 55	55 - 59	59 - 61.5	-
Super DH	-	52 - 56	55 - 59	58 - 62	-

Bell Kids & Youth Helmets

	UNI	XS	SM
General Sizing	-	49 - 53	51 - 55
UNI Toddler	45 - 52	-	-
UNI Child	48 - 55	-	-
UNI Youth	51 - 58	-	-
Sidetrack II	-	47 - 54	50 - 57

Reviews

Improve a product