The 4Forty Air MIPS is equipped with pro-level features yet designed with the privateer in mind. With a sleek new shell design 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. Bell s Float Fit system, built-in Sweat Guide and anti-microbial Ionic+ padding ensures all-day comfort, while integrated MIPS and extended hard-shell coverage helps 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 life.Rotational Energy ManagementMIPS (integrated with fit system)3-Position Adjustable VisorGoggle GripperEyewear PortsFidlock Magnetic BuckleNo-Twist Tri-Glides Sweat Guide Ionic+ Comfort PaddingConstruction: 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.Fit System: Float Fit - A minimalist, lightweight fit system with an easy-to-turn rubber over moulded dial for adjustments. No-Twist Tri-Glides: Quick-adjust fasteners that help keep straps flat and properly positionedWeight: 360 grams (size M)Certifications: CPSC Bicycle*, CE EN1078
BELL 4FORTY AIR MIPS MTB HELMETTRAIL LIFEFEATURES- ROTATIONAL ENERGY MANAGEMENT- MIPS® (integrated with fit system)- 3-Position Adjustable Visor- Goggle Gripper- Eyewear Ports- Fidlock® Magnetic Buckle- No-Twist Tri-Glides™- Sweat Guide™- Ionic+™ Comfort PaddingCONSTRUCTION- Fusion In-Mold Polycarbonate ShellFIT SYSTEM- Float Fit™(integrated with MIPS)WEIGHT- 360 grams (size M)SIZES- S 52–56 cm- M 55–59 cm- L 58–62 cm- XL 61–65 cm (select colors)CERTIFICATIONS- CPSC Bicycle* CE EN1078VENTS- 14
Bell 4Forty Helmet (MIPS)Heavyweight technology without putting the piggy bank at risk. The 4Forty Helmet (MIPS) from Bell rivals some of the high-end helmets at a fraction of the cost, punching above its weight to deliver incredible protection and safety on the trail.License To ThrillReady and waiting to kick up roost, the 4Forty Helmet is the ideal lid for pinning berms and flying into kickers. Not satisfied at just taking in the views, this safety-conscious helmet sports a Fusion In-Mould Polycarbonate Shell to absorb head impacts, should you ever suffer an unexpected fall that is. Ideal for shredding all forms of terrain, the 4Forty utilises extended rear coverage and an adjustable visor system to protect your eyes.MIPS (Multi-directional Impact Protection System)Made to meet and exceed international standards, Bell also turn to MIPS to add an extra layer of head protection to their 4Forty Air.The Mips system is designed to provide added safety for helmets in many accidents. For certain impacts, the Mips system can reduce harmful rotational motion that might otherwise be transferred to the user’s head.Rotational motion is a common cause of concussions in oblique hits to the head. In a crash, the Mips system is designed to move slightly inside the helmet to help redirect forces away from the head.Cool and ComfortableMaking sure performance isn’t compromised when the intensity of your ride heats up, the high-end breathability of the 4Forty ensures you stay cool and dry from the first pedal until the last. Fitted with built-in sweat guides and 15 individual vents, airflow is maximised around the head to fend off sweat while the lightweight feel of this Bell lid improves comfort. Thanks to the Fusion in-mould polycarbonate shell and sweat guide padding, you’ll find taking off the 4Forty MIPS Helmet a harder decision than whether or not to tackle that all-important booter.Features:Float Fit™Fusion In-Mould Polycarbonate ShellMIPS (Multi-directional Impact Protection System)Goggleguide™ Adjustable Visor SystemNo-Twist Tri-Glides™Sweat Guide™ PaddingSPECIFICATIONWEIGHT: 380 GramsVENTS: 15Shop all MIPS helmets - Click hereBuy Bell from Chain Reaction Cycles, the World's Largest Online Bike Store.
Bell 4Forty Helmet (MIPS)Heavyweight technology without putting the piggy bank at risk. The 4Forty Helmet (MIPS) from Bell rivals some of the high-end helmets at a fraction of the cost, punching above its weight to deliver incredible protection and safety on the trail.License To ThrillReady and waiting to kick up roost, the 4Forty Helmet is the ideal lid for pinning berms and flying into kickers. Not satisfied at just taking in the views, this safety-conscious helmet sports a Fusion In-Mould Polycarbonate Shell to absorb head impacts, should you ever suffer an unexpected fall that is. Ideal for shredding all forms of terrain, the 4Forty utilises extended rear coverage and an adjustable visor system to protect your eyes.MIPS (Multi-directional Impact Protection System)Made to meet and exceed international standards, Bell also turn to MIPS to add an extra layer of head protection to their 4Forty Air.The Mips system is designed to provide added safety for helmets in many accidents. For certain impacts, the Mips system can reduce harmful rotational motion that might otherwise be transferred to the user’s head.Rotational motion is a common cause of concussions in oblique hits to the head. In a crash, the Mips system is designed to move slightly inside the helmet to help redirect forces away from the head.Cool and ComfortableMaking sure performance isn’t compromised when the intensity of your ride heats up, the high-end breathability of the 4Forty ensures you stay cool and dry from the first pedal until the last. Fitted with built-in sweat guides and 15 individual vents, airflow is maximised around the head to fend off sweat while the lightweight feel of this Bell lid improves comfort. Thanks to the Fusion in-mould polycarbonate shell and sweat guide padding, you’ll find taking off the 4Forty MIPS Helmet a harder decision than whether or not to tackle that all-important booter.Features:Float Fit™Fusion In-Mould Polycarbonate ShellMIPS (Multi-directional Impact Protection System)Goggleguide™ Adjustable Visor SystemNo-Twist Tri-Glides™Sweat Guide™ PaddingSPECIFICATIONWEIGHT: 380 GramsVENTS: 15Shop all MIPS helmets - Click hereBuy Bell from Chain Reaction Cycles, the World's Largest Online Bike Store.
Bell 4Forty Helmet (MIPS)Heavyweight technology without putting the piggy bank at risk. The 4Forty Helmet (MIPS) from Bell rivals some of the high-end helmets at a fraction of the cost, punching above its weight to deliver incredible protection and safety on the trail.License To ThrillReady and waiting to kick up roost, the 4Forty Helmet is the ideal lid for pinning berms and flying into kickers. Not satisfied at just taking in the views, this safety-conscious helmet sports a Fusion In-Mould Polycarbonate Shell to absorb head impacts, should you ever suffer an unexpected fall that is. Ideal for shredding all forms of terrain, the 4Forty utilises extended rear coverage and an adjustable visor system to protect your eyes.MIPS (Multi-directional Impact Protection System)Made to meet and exceed international standards, Bell also turn to MIPS to add an extra layer of head protection to their 4Forty Air.The Mips system is designed to provide added safety for helmets in many accidents. For certain impacts, the Mips system can reduce harmful rotational motion that might otherwise be transferred to the user’s head.Rotational motion is a common cause of concussions in oblique hits to the head. In a crash, the Mips system is designed to move slightly inside the helmet to help redirect forces away from the head.Cool and ComfortableMaking sure performance isn’t compromised when the intensity of your ride heats up, the high-end breathability of the 4Forty ensures you stay cool and dry from the first pedal until the last. Fitted with built-in sweat guides and 15 individual vents, airflow is maximised around the head to fend off sweat while the lightweight feel of this Bell lid improves comfort. Thanks to the Fusion in-mould polycarbonate shell and sweat guide padding, you’ll find taking off the 4Forty MIPS Helmet a harder decision than whether or not to tackle that all-important booter.Features:Float Fit™Fusion In-Mould Polycarbonate ShellMIPS (Multi-directional Impact Protection System)Goggleguide™ Adjustable Visor SystemNo-Twist Tri-Glides™Sweat Guide™ PaddingSPECIFICATIONWEIGHT: 380 GramsVENTS: 15Shop all MIPS helmets - Click hereBuy Bell from Chain Reaction Cycles, the World's Largest Online Bike Store.
Bell 4Forty Helmet (MIPS)Heavyweight technology without putting the piggy bank at risk. The 4Forty Helmet (MIPS) from Bell rivals some of the high-end helmets at a fraction of the cost, punching above its weight to deliver incredible protection and safety on the trail.License To ThrillReady and waiting to kick up roost, the 4Forty Helmet is the ideal lid for pinning berms and flying into kickers. Not satisfied at just taking in the views, this safety-conscious helmet sports a Fusion In-Mould Polycarbonate Shell to absorb head impacts, should you ever suffer an unexpected fall that is. Ideal for shredding all forms of terrain, the 4Forty utilises extended rear coverage and an adjustable visor system to protect your eyes.MIPS (Multi-directional Impact Protection System)Made to meet and exceed international standards, Bell also turn to MIPS to add an extra layer of head protection to their 4Forty Air.The Mips system is designed to provide added safety for helmets in many accidents. For certain impacts, the Mips system can reduce harmful rotational motion that might otherwise be transferred to the user’s head.Rotational motion is a common cause of concussions in oblique hits to the head. In a crash, the Mips system is designed to move slightly inside the helmet to help redirect forces away from the head.Cool and ComfortableMaking sure performance isn’t compromised when the intensity of your ride heats up, the high-end breathability of the 4Forty ensures you stay cool and dry from the first pedal until the last. Fitted with built-in sweat guides and 15 individual vents, airflow is maximised around the head to fend off sweat while the lightweight feel of this Bell lid improves comfort. Thanks to the Fusion in-mould polycarbonate shell and sweat guide padding, you’ll find taking off the 4Forty MIPS Helmet a harder decision than whether or not to tackle that all-important booter.Features:Float Fit™Fusion In-Mould Polycarbonate ShellMIPS (Multi-directional Impact Protection System)Goggleguide™ Adjustable Visor SystemNo-Twist Tri-Glides™Sweat Guide™ PaddingSPECIFICATIONWEIGHT: 380 GramsVENTS: 15Shop all MIPS helmets - Click hereBuy Bell from Chain Reaction Cycles, the World's Largest Online Bike Store.
Bell 4Forty Helmet (MIPS)Heavyweight technology without putting the piggy bank at risk. The 4Forty Helmet (MIPS) from Bell rivals some of the high-end helmets at a fraction of the cost, punching above its weight to deliver incredible protection and safety on the trail.License To ThrillReady and waiting to kick up roost, the 4Forty Helmet is the ideal lid for pinning berms and flying into kickers. Not satisfied at just taking in the views, this safety-conscious helmet sports a Fusion In-Mould Polycarbonate Shell to absorb head impacts, should you ever suffer an unexpected fall that is. Ideal for shredding all forms of terrain, the 4Forty utilises extended rear coverage and an adjustable visor system to protect your eyes.MIPS (Multi-directional Impact Protection System)Made to meet and exceed international standards, Bell also turn to MIPS to add an extra layer of head protection to their 4Forty Air.The Mips system is designed to provide added safety for helmets in many accidents. For certain impacts, the Mips system can reduce harmful rotational motion that might otherwise be transferred to the user’s head.Rotational motion is a common cause of concussions in oblique hits to the head. In a crash, the Mips system is designed to move slightly inside the helmet to help redirect forces away from the head.Cool and ComfortableMaking sure performance isn’t compromised when the intensity of your ride heats up, the high-end breathability of the 4Forty ensures you stay cool and dry from the first pedal until the last. Fitted with built-in sweat guides and 15 individual vents, airflow is maximised around the head to fend off sweat while the lightweight feel of this Bell lid improves comfort. Thanks to the Fusion in-mould polycarbonate shell and sweat guide padding, you’ll find taking off the 4Forty MIPS Helmet a harder decision than whether or not to tackle that all-important booter.Features:Float Fit™Fusion In-Mould Polycarbonate ShellMIPS (Multi-directional Impact Protection System)Goggleguide™ Adjustable Visor SystemNo-Twist Tri-Glides™Sweat Guide™ PaddingSPECIFICATIONWEIGHT: 380 GramsVENTS: 15Shop all MIPS helmets - Click hereBuy Bell from Chain Reaction Cycles, the World's Largest Online Bike Store.
Bell 4Forty Helmet (MIPS)Heavyweight technology without putting the piggy bank at risk. The 4Forty Helmet (MIPS) from Bell rivals some of the high-end helmets at a fraction of the cost, punching above its weight to deliver incredible protection and safety on the trail.License To ThrillReady and waiting to kick up roost, the 4Forty Helmet is the ideal lid for pinning berms and flying into kickers. Not satisfied at just taking in the views, this safety-conscious helmet sports a Fusion In-Mould Polycarbonate Shell to absorb head impacts, should you ever suffer an unexpected fall that is. Ideal for shredding all forms of terrain, the 4Forty utilises extended rear coverage and an adjustable visor system to protect your eyes.MIPS (Multi-directional Impact Protection System)Made to meet and exceed international standards, Bell also turn to MIPS to add an extra layer of head protection to their 4Forty Air.The Mips system is designed to provide added safety for helmets in many accidents. For certain impacts, the Mips system can reduce harmful rotational motion that might otherwise be transferred to the user’s head.Rotational motion is a common cause of concussions in oblique hits to the head. In a crash, the Mips system is designed to move slightly inside the helmet to help redirect forces away from the head.Cool and ComfortableMaking sure performance isn’t compromised when the intensity of your ride heats up, the high-end breathability of the 4Forty ensures you stay cool and dry from the first pedal until the last. Fitted with built-in sweat guides and 15 individual vents, airflow is maximised around the head to fend off sweat while the lightweight feel of this Bell lid improves comfort. Thanks to the Fusion in-mould polycarbonate shell and sweat guide padding, you’ll find taking off the 4Forty MIPS Helmet a harder decision than whether or not to tackle that all-important booter.Features:Float Fit™Fusion In-Mould Polycarbonate ShellMIPS (Multi-directional Impact Protection System)Goggleguide™ Adjustable Visor SystemNo-Twist Tri-Glides™Sweat Guide™ PaddingSPECIFICATIONWEIGHT: 380 GramsVENTS: 15Shop all MIPS helmets - Click hereBuy Bell from Chain Reaction Cycles, the World's Largest Online Bike Store.
Bell 4Forty Helmet (MIPS)Heavyweight technology without putting the piggy bank at risk. The 4Forty Helmet (MIPS) from Bell rivals some of the high-end helmets at a fraction of the cost, punching above its weight to deliver incredible protection and safety on the trail.License To ThrillReady and waiting to kick up roost, the 4Forty Helmet is the ideal lid for pinning berms and flying into kickers. Not satisfied at just taking in the views, this safety-conscious helmet sports a Fusion In-Mould Polycarbonate Shell to absorb head impacts, should you ever suffer an unexpected fall that is. Ideal for shredding all forms of terrain, the 4Forty utilises extended rear coverage and an adjustable visor system to protect your eyes.MIPS (Multi-directional Impact Protection System)Made to meet and exceed international standards, Bell also turn to MIPS to add an extra layer of head protection to their 4Forty Air.The Mips system is designed to provide added safety for helmets in many accidents. For certain impacts, the Mips system can reduce harmful rotational motion that might otherwise be transferred to the user’s head.Rotational motion is a common cause of concussions in oblique hits to the head. In a crash, the Mips system is designed to move slightly inside the helmet to help redirect forces away from the head.Cool and ComfortableMaking sure performance isn’t compromised when the intensity of your ride heats up, the high-end breathability of the 4Forty ensures you stay cool and dry from the first pedal until the last. Fitted with built-in sweat guides and 15 individual vents, airflow is maximised around the head to fend off sweat while the lightweight feel of this Bell lid improves comfort. Thanks to the Fusion in-mould polycarbonate shell and sweat guide padding, you’ll find taking off the 4Forty MIPS Helmet a harder decision than whether or not to tackle that all-important booter.Features:Float Fit™Fusion In-Mould Polycarbonate ShellMIPS (Multi-directional Impact Protection System)Goggleguide™ Adjustable Visor SystemNo-Twist Tri-Glides™Sweat Guide™ PaddingSPECIFICATIONWEIGHT: 380 GramsVENTS: 15Shop all MIPS helmets - Click hereBuy Bell from Chain Reaction Cycles, the World's Largest Online Bike Store.
Bell 4Forty Helmet (MIPS)Heavyweight technology without putting the piggy bank at risk. The 4Forty Helmet (MIPS) from Bell rivals some of the high-end helmets at a fraction of the cost, punching above its weight to deliver incredible protection and safety on the trail.License To ThrillReady and waiting to kick up roost, the 4Forty Helmet is the ideal lid for pinning berms and flying into kickers. Not satisfied at just taking in the views, this safety-conscious helmet sports a Fusion In-Mould Polycarbonate Shell to absorb head impacts, should you ever suffer an unexpected fall that is. Ideal for shredding all forms of terrain, the 4Forty utilises extended rear coverage and an adjustable visor system to protect your eyes.MIPS (Multi-directional Impact Protection System)Made to meet and exceed international standards, Bell also turn to MIPS to add an extra layer of head protection to their 4Forty Air.The Mips system is designed to provide added safety for helmets in many accidents. For certain impacts, the Mips system can reduce harmful rotational motion that might otherwise be transferred to the user’s head.Rotational motion is a common cause of concussions in oblique hits to the head. In a crash, the Mips system is designed to move slightly inside the helmet to help redirect forces away from the head.Cool and ComfortableMaking sure performance isn’t compromised when the intensity of your ride heats up, the high-end breathability of the 4Forty ensures you stay cool and dry from the first pedal until the last. Fitted with built-in sweat guides and 15 individual vents, airflow is maximised around the head to fend off sweat while the lightweight feel of this Bell lid improves comfort. Thanks to the Fusion in-mould polycarbonate shell and sweat guide padding, you’ll find taking off the 4Forty MIPS Helmet a harder decision than whether or not to tackle that all-important booter.Features:Float Fit™Fusion In-Mould Polycarbonate ShellMIPS (Multi-directional Impact Protection System)Goggleguide™ Adjustable Visor SystemNo-Twist Tri-Glides™Sweat Guide™ PaddingSPECIFICATIONWEIGHT: 380 GramsVENTS: 15Shop all MIPS helmets - Click hereBuy Bell from Chain Reaction Cycles, the World's Largest Online Bike Store.
Prepare for the rigours of shredding with the 4Forty MTB Helmet (MIPS). Perfect for demanding MTB sessions where the intensity continues to rise, high-end breathability ensures you stay fresh from the first minute until the last. Fitted with built-in sweat guides and 15 individual vents, maximised airflow helps keep you cool while the lightweight feel of the 4Forty helps boost performance. Rich in comfort, the high degree of protection offered with this helmet will certainly appeal to the mountain bike connoisseur. Boasting a full hard-shell, extended rear coverage and adjustable visor, this MIPS-protected lid can withstand whatever terrain you decide to tackle. MIPS (Multi-directional Impact Protection System) Made to meet and exceed international standards, Bell also turn to MIPS to add an extra layer of head protection to their 4Forty Air. The Mips system is designed to provide added safety for helmets in many accidents. For certain impacts, the Mips system can reduce harmful rotational motion that might otherwise be transferred to the user’s head. Rotational motion is a common cause of concussions in oblique hits to the head. In a crash, the Mips system is designed to move slightly inside the helmet to help redirect forces away from the head. Shop All MIPS Helmets Click Here Punching above its weight, the 4Forty is certainly a middleweight packing a heavyweight punch.
Off-Road Over AchieverMountain biking is a demanding sport -- compromises and shortcuts when it comes to gear are never a good idea. The 4Forty is built to withstand the rigors of a trail-riding life; with generous ventilation, the comfort of Float Fit and built-in Sweat Guide, extended rear coverage, a full hard shell, adjustable visor and integrated MIPS protection. Boasting the comfort, protection and broadly capable features of helmets costing twice as much, the 4Forty is a bantamweight, all-conditions, all-kinds-of-trail champion packing a heavyweight value. Key Features: Integrated MIPS (Multi-Directional Impact Protection System) - MIPS is designed to reduce rotational forces that can result from certain impacts. By integrating the MIPS slip plane into the retention system, we are able to reduce complexity and weight for a compact, better ventilated helmet that fits more closely to the head.,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.,Float Fit - A minimalist, lightweight fit system with an easy-to-turn rubber overmolded dial for adjustments (integrated with MIPS),15 vents,GoggleGuide adjustable visor: accommodates both goggles and glasses,No-Twist Tri-Glides: Quick-adjust fasteners that help keep straps flat and properly positioned,Sweat Guide pad design pulls moisture away from the brow pad and away from eyewear,CE EN1078 certified,. 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. Fit System: Float Fit - A minimalist, lightweight fit system with an easy-to-turn rubber overmolded dial for adjustments (integrated with MIPS),No-Twist Tri-Glides: Quick-adjust fasteners that help keep straps flat and properly positioned,. Weight: 363 grams (size M)