10# Best Xxxl Bike Helmet

Best bike helmets for large heads include the Bell Super Bell helmet, the Giro Synthe SE helmet, and the Schuberth C3 Pro helmet. All three helmets have been certified by the Snell Memorial Foundation as meeting or exceeding the safety standards for bike helmets.

To find the best bike helmet for your head size, measure the circumference of your head using a ruler or a flexible tape measure. Compare these measurements to the measurements listed below for each helmet. If your head size falls within the range of any of the helmets listed, choose that helmet. If your head size falls outside of any of the listed ranges, choose one of the helmets that falls within your head size range.

Bell Super Bell: 19-21 inches
Giro Synthe SE: 21-23 inches
Schuberth C3 Pro: 22-24 inches

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Our Top 10 Best Xxxl Bike Helmet Features

Bestseller No. 1
HJC CS-MX 2 Helmet (XXX-Large) (Matte Black)
  • Advanced Polycarbonate Composite Shell: Lightweight, superior fit and comfort utilizing advanced CAD technology
  • Revolutionary design with unique visor
  • ACS Advanced Channeling Ventilation System: Full front to back airflow flushes heat and humidity up and out
  • Nylex interior: Removable and washable
  • DOT FMVSS No. 218 Certified
Bestseller No. 2
AFX FX-17 Unisex-Adult Off-Road-Helmet-Style Helmet...
  • Retention system is Double D-ring.
  • A clear coat finish to protect paint and graphics.
  • This helmet model meets or exceeds DOT FMVSS-218 motorcycle helmet safety standards.
  • DOT FMVSS No. 218 Certified
SaleBestseller No. 3
Troy Lee Designs A2 Decoy Half Shell Mountain Bike...
  • Activity: cross-country, enduro, trail
  • Visor: yes
  • Audio Compatible: no
  • Certifications: Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older, CE EN 1078
  • Fit Adjustment: rear stabilizer fit system
Bestseller No. 4
CRG Full-Face Motorcycle Street Bike Fiberglass Helmet...
  • Professional Grade Motorcycle Helmet: DOT FMVSS 218 standard approved. Exactly what you need for Street Bike, Racing, Motocross, ATV, Dirt Bike, MX, Quad, Adventure etc, fit for men and women.
  • Outstanding Materials:Advanced FIBERGLASS reinforced plastic shell, Light Weight and High Impact Resistant.
  • Replacement Visor System: Transparent PC Shield, Scratch Resistant, easy to remove or install different color visor.
  • Ventilation System: Fully adjustable intake and exhaust vents to create a constant, light flow of air helping to keep the rider cool and comfortable.
  • Comfortable Liner and Pads: Fully removable and washable liner and pads to keep helmet clean, fresh. Extra space fit over glasses.
Bestseller No. 5
O'Neal 0627-007 3SRS Adult Helmet Flat (Flat Black,...
  • Shell is constructed with durable Polycarbonate
  • Ultra-plush removable/washable padded liner keeps you cool and dry by wicking away sweat
  • Adjustable visor design
  • Intake and exhaust vents for ventilation and cooling
  • - Meets DOT, ECE 22-05 and AS/NZS safety standards
Bestseller No. 6
Under Armour Men's Original Skull Wrap, Black...
  • Easily Put the Skull Cap On: The stretchable logo made from 84% Polyester and 16% Elastane makes it easy for the cap to stay on during play
  • Quick Drying: Material wicks sweat & dries really fast, keeping you cool
  • Versatile Cap: Use as a cycling cap, helmet liner, or for any sports you can think of
  • Work Hard While Staying Comfortable: Lightweight compression to keep your body ready for intense workouts
  • Wear Under a Winter Hat For Added Warmth: Layer up with this skull cap under your beanie or ski hat and stay warm in the snow
SaleBestseller No. 7
Giro Fixture MIPS X-Large Adult Mountain Cycling Helmet...
  • MARKET-LEADING PROTECTION: Engineered in Giro’s category-leading helmet test lab.
  • INTEGRATED MIPS: Utilizes the Multi-Directional Impact Protection System to redirect energy in a crash.
  • VENTILATION: 18 Wind Tunnel vents with internal channeling.
  • RUGGED: In-molding construction.
  • UNIVERSAL FIT SIZING: Get the right fit, straight out of the box.
Bestseller No. 8
MOON Bike Cycling Helmet Mountain Road Bicycle Helmet...
  • 【Mobile Oversized Visor】-The enlarged visor can more effectively block sunlight and avoid debris such as tree branches. The middle screw of the visor can move up and down for free height adjustment without disassembly. The visor hole is precisely the same as the hole of the helmet, which is beautiful and ventilates.
  • 【Firm Supporting Plate】-After adding a new supporting plate to the bottom of the bike helmet, it strengthens the overall structure of the helmet and makes it more stable. Compared to the traditional black EPS foam exposed, MOON Bicycle helmet with the bottom support looks more advanced and less likely to leave traces of use.
  • 【Magnet Buckle】-The pull-strap buckle has upgraded to a magnetic type, which locks and fastens the helmet more accurately and quickly. You can handle it with only one hand. That means easy to use and convenient.
  • 【Oval head design】The head shape of MOON bike helmet is oval, which is more suitable for occidental. The adjusting knob on the back of the helmet can rotate to adjust the size, which perfectly fits the head shape.
  • 【High-Performance Protective】-The rugged PC shell can effectively withstand the external impact, and the internal high-density EPS foam material has a cushioning function; PC+EPS integrated molding is firm and safe.
Bestseller No. 9
AFX Helmet FX17BH Flat BK 4XL
  • Retention system is Double D-ring.
  • A clear coat finish to protect paint and graphics.
  • This helmet model meets or exceeds DOT FMVSS-218 motorcycle helmet safety standards.
  • DOT FMVSS No. 218 Certified
SaleBestseller No. 10
ILM Adult Men & Women Bike Bicycle Helmet, Lightweight...
  • This ILM lightweight bike helmet is designed for adults, men and women. Suggested age range: 14 years old and up.
  • Over 360° adjustment dial offers a snug fit according to bikers’ preference. This bicycle helmet has quick release buckles with one touch control for riders to easily put on and off.
  • Made of PC outer shell and high density EPS foam, weighs around 10 oz.
  • While reducing wind resistance, 21 air vents are designed into the cycling helmets to keep cool and breathable during summer riding.
  • Sun visor and liners are removable. Please refer to the sizing information and wear your helmet properly.