Biltwell Bonanza Helmet – Gloss Black Spectrum

The Gloss Black Spectrum graphic is now available in Biltwell’s Bonanza helmet. The Bonanza Helmet is an open face helmet that infuses modern comfort with a hand-stitched, removable moisture-wicking liner. DOT approved with 3 snaps that accept most bubble face shields.

• Injection-molded ABS outer shell with hand-painted finish
• Expanded polystyrene inner shell
• Hand-sewn removable brushed Lycra liner with contrasting diamond-stitched quilted open-cell foam padding
• Rugged plated steel D-ring neck strap with adjustment strap end retainer
• DOT approved

Sizing Chart

Head Shape

Sizing Chart
Helmet Size	Inches	Centimeters
XS	20 7/8″ – 21 3/8″	53 – 54.25cm
S	21 1/2″ – 22″	54.5 – 55.75cm
M	22 1/8″ – 22 5/8″	56 – 57.25cm
L	22 3/4″ – 23 1/4″	57.5 – 58.75cm
XL	23 3/8″ – 23 7/8″	59 – 60.25cm
XXL	24″ – 24 1/2″	60.5 – 61.75cm