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Z20 Aero Z20 Stratus Catalyst Javelin Buying Options Buying Options Buying Options Buying Options Buying Options Customer Reviews 4.6 out of 5 stars 115 — — — 3.8 out of 5 stars 12 Price $95.17$95.17 — no data — no data — no data — no data SIZES S, M, L S, M, L S, M, L S, M, L S, M, L TOTAL VENTS 10 VENTS 18 VENTS 18 VENTS 18 VENTS 3 VENTS VENTILATION OVERBROW VENTILATION FEATURES INTAKE PORTS ON THE BROW OF THE HELMET TO USHER IN COOL AIR AND PUSH IT THROUGH THE AIR-CHANNEL MATRIX FOR FULL-HEAD VENTILATION OVERBROW VENTILATION FEATURES INTAKE PORTS ON THE BROW OF THE HELMET TO USHER IN COOL AIR AND PUSH IT THROUGH THE AIR-CHANNEL MATRIX FOR FULL-HEAD VENTILATION OVERBROW VENTILATION FEATURES INTAKE PORTS ON THE BROW OF THE HELMET TO USHER IN COOL AIR AND PUSH IT THROUGH THE AIR-CHANNEL MATRIX FOR FULL-HEAD VENTILATION OVERBROW VENTILATION FEATURES INTAKE PORTS ON THE BROW OF THE HELMET TO USHER IN COOL AIR AND PUSH IT THROUGH THE AIR-CHANNEL MATRIX FOR FULL-HEAD VENTILATION OVERBROW VENTILATION FEATURES INTAKE PORTS ON THE BROW OF THE HELMET TO USHER IN COOL AIR AND PUSH IT THROUGH THE AIR-CHANNEL MATRIX FOR FULL-HEAD VENTILATION COMPLIANCE CPSC BICYCLE CPSC BICYCLE CPSC BICYCLE CPSC BICYCLE CPSC BICYCLE MIPS MIPS-EQUIPPED - 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. MIPS-EQUIPPED - 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. MIPS-EQUIPPED - 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. MIPS-EQUIPPED - 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. MIPS-EQUIPPED - 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. CONSTRUCTION PROGRESSIVE LAYERING: THE PROCESS OF ENGINEERING A HELMET LINER WITH VARIABLE EPS FOAM DENSITIES TO BETTER MANAGE THE TRANSFER OF ENERGIES AFTER SOME IMPACTS FUSION IN-MOLD POLYCARBONATE SHELL AERO-OPTIMIZED SHAPE PROGRESSIVE LAYERING: THE PROCESS OF ENGINEERING A HELMET LINER WITH VARIABLE EPS FOAM DENSITIES TO BETTER MANAGE THE TRANSFER OF ENERGIES AFTER SOME IMPACTS FUSION IN-MOLD POLYCARBONATE SHELL 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. LIGHTWEIGHT INTERNAL POLYCARBONATE ROLL CAGE 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. LIGHTWEIGHT INTERNAL POLYCARBONATE ROLL CAGE 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. SEAMFLEX EARFLAPS MAKE IT QUICK AND EASY TO PUT ON OR REMOVE FIT SYSTEM FLOAT FIT RACE - A STATE-OF-THE-ART LIGHTWEIGHT FIT SYSTEM FEATURING SEAMLESS INTEGRATION WITH MIPS, AN EASY-TO-TURN DIAL, WIDE-RANGE VERTICAL ADJUSTMENT AND PADDED WIDTH-ADJUSTABLE CRADLES FLOAT FIT RACE - A STATE-OF-THE-ART LIGHTWEIGHT FIT SYSTEM FEATURING SEAMLESS INTEGRATION WITH MIPS, AN EASY-TO-TURN DIAL, WIDE-RANGE VERTICAL ADJUSTMENT AND PADDED WIDTH-ADJUSTABLE CRADLES FLOAT FIT - A MINIMALIST, LIGHTWEIGHT FIT SYSTEM WITH AN EASY-TO-TURN RUBBER OVERMOLDED DIAL FOR ADJUSTMENTS (INTEGRATED WITH MIPS) FLOAT FIT - A MINIMALIST, LIGHTWEIGHT FIT SYSTEM WITH AN EASY-TO-TURN RUBBER OVERMOLDED DIAL FOR ADJUSTMENTS (INTEGRATED WITH MIPS) no data VISOR no data no data no data REMOVABLE VISOR no data INTERIOR SWEAT GUIDE PAD DESIGN PULLS MOISTURE AWAY FROM THE BROW PAD AND AWAY FROM EYEWEAR X-STATIC PADDING - QUICK-DRYING MATERIALS, WOVEN WITH REAL SILVER FIBERS SWEAT GUIDE PAD DESIGN PULLS MOISTURE AWAY FROM THE BROW PAD AND AWAY FROM EYEWEAR X-STATIC PADDING - QUICK-DRYING MATERIALS, WOVEN WITH REAL SILVER FIBERS SWEAT GUIDE PAD DESIGN PULLS MOISTURE AWAY FROM THE BROW PAD AND AWAY FROM EYEWEAR SWEAT GUIDE PAD DESIGN PULLS MOISTURE AWAY FROM THE BROW PAD AND AWAY FROM EYEWEAR X-STATIC PADDING - QUICK-DRYING MATERIALS, WOVEN WITH REAL SILVER FIBERS WEIGHT 296 GRAMS (SIZE M) 305 GRAMS (SIZE M) 300 GRAMS (SIZE M) 329 GRAMS (SIZE M) 482 GRAMS (SIZE M)
FUSION IN-MOLDING POLYCARBONATE SHELL, AERO-OPTIMIZED SHAPE, & PROGRESSIVE LAYERING CONSTRUCTION - A process pioneered by Bell bonds the helmet's outer shell to the EPS foam liner to create a sturdier helmet. The process of engineering a helmet liner with variable EPS foam densities to better manage the transfer of energies after some impacts.
FLOAT FIT RACE (INTEGRATED WITH MIPS) & MIPS-EQUIPPED - Custom fit at the highest performance, Seemlessly integrated with MIPS and offers three-way adjustability height, pad width and tension. 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.
X-STATIC AND XT2 PADDING & SWEAT GUIDE - Quick-drying materials, woven with real silver fibers. Sweat Guide pad design pulls moisture away from the brow pad and away from eyewear.
NO-TWIST TRI-GLIDES & PROGRESSIVE LAYERING - Quick-adjust fasteners that help keep straps flat and properly positioned. The process of engineering a helmet liner with variable EPS foam densities to better manage the transfer of energies after some impacts.
SPECIFICATIONS - Small (52-56 cm), Medium (55-59 cm), and Large (58-62 cm) Sizes. Important always take a head measurement. Head sizes and shapes can vary, even within an age range. Using a helmet that does not fit can be dangerous; Overbrow Ventilation System with 10 vents.
Where do you begin with helmet reviews. Well let’s start below:- FIT: The helmet according to the sizing chart and measurements I took and ordered fit to a “T”. In fact, same sizing (large) as my Bontrager helmet. When tightened, it was snug and had no flop and did not create any unusual or pesky pressure point issues.- AIRFLOW: While I will agree I was riding 68 degree weather, the flow through the minimal venting was sufficient and even on a 95 degree day will suffice. I wear a skull cap even in the hottest of days to soak up sweat. I read a recent review by a customer here stating it was hot and the sweat retention too much. I would suspect she does not know you should wear a under helmet cap to help reduce that drastically even in the hottest of days. The air across the top of the head was good and this aero helmet should not be a issue next season when full on heat.- DESIGN: The design is stylish but mainly functional. I really pay secondary consideration to style. The vents are placed as well as can be to retain aero functionality but allow sufficient air to get in. Not sure if a midline vent with a slide closure on the hottest of days would benefit but maybe a consideration for a re-design by Bell for the future.-DURABILITY: That is yet to be determined. Stay tuned. But on appearance and a detailed hand inspection, seems to be well constructed without any issues to note.-PRICE: Insane! And it is not even the most expensive. No bicycle helmet should be over $125 ever! But to get more top features, unfortunately, you have to pay.Is this a 5 star helmet? I would say a definite 4.5 right now. But since Amazon which I deplore on their 1 star increments without ability to take .5 off for issues, I gave benefit of the doubt. However, I will change it if warranted down the road.