Boasting the comfort, protection, and broadly capable features of mountain bicycle helmets costing twice as much, the 4Forty is a bantamweight, all-conditions, all-kinds-of-trail champion packing a heavyweight value.

Mountain biking is a demanding sport, so compromises and shortcuts when it comes to gear are never a good idea. Bell's 4Forty is built to withstand the rigors of a trail-riding life.

Features

All-mountain value - optional integrated MIPS
Float Fit
Sweat Guide
Adjustable visor
Full hard shell
Generous ventilation
Extended rear coverage
Integrated MIPS protection
Rotational energy management
Eyewear compatible
No-twist Tri-Glides

With this downhill bike helmet, you'll be ready for anything the trail throws your way. Add Goggles or your favorite eye protection, and you'll be unstoppable.

Fast shipping
Satisfaction guaranteed

Specifications

MIPS	MIPS STANDS FOR MULTI-DIRECTIONAL IMPACT PROTECTION SYSTEM, WHICH IS A LEADING SLIP-PLANE TECHNOLOGY INSIDE THE HELMET DESIGNED TO REDUCE ROTATIONAL FORCES THAT CAN RESULT FROM CERTAIN IMPACTS.
CIRCUMFERENCE	58–62 CM
CONSTRUCTION	FUSION IN-MOLD POLYCARBONATE SHELL - A PROCESS PIONEERED BY BELL BONDS THE HELMET'S OUTER SHELL TO THE EPS FOAM LINER TO CREATE A STURDIER HELMET.
SPORT	CYCLING
VISOR	GOGGLEGUIDE ADJUSTABLE VISOR - ACCOMMODATES BOTH GOGGLES AND GLASSES
NUMBER OF VENTS	15 VENTS
COUNTRY OF ORIGIN	CHINA
INTERIOR/LINER TYPE	SWEAT GUIDE PAD DESIGN PULLS MOISTURE AWAY FROM THE BROW PAD AND AWAY FROM EYEWEAR
GENDER	UNISEX
FIT SYSTEM	FLOAT FIT - A MINIMALIST, LIGHTWEIGHT FIT SYSTEM WITH AN EASY-TO-TURN RUBBER OVERMOLDED DIAL FOR ADJUSTMENTS (INTEGRATED WITH MIPS)
PRODUCT WEIGHT	380 GRAMS (SIZE M)
CERTIFICATION	COMPLIES WITH THE US CPSC SAFETY STANDARD FOR BICYCLE HELMET FOR PERSONS AGE 5 AND OLDER