Thor Sector Birdrock Helmet :: MotorcycleGear.com

Thor Sector Birdrock Helmet

Features:
  • Dual density EPS liner features extensive venting
  • Injection molded polycarbonate/ABS shell
  • Fully adjustable vented visor to reduce lift
  • Removable/washable moisture wicking liner
  • Flexible rubber nose piece
  • Hi-flow mouth vent with filter for air intake
  • Rear shell shape easily repositions the goggle strap

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Free Shipping on All Orders over $89!
Our Price:
$109.95
Return any item through the end of the year on any order after November 15.

Sizing Information

Need help choosing the right shape and size helmet for your own noggin?
Learn about the LidPicker!

We’ll help you find the right fit!



Thor Helmet Sizing chart

Adult Helmets Size Inches Hat Size
X-Small 20 3/4 – 21 1/4 6 5/8 – 6 3/4
Small 21 5/8 – 22 6 7/8 – 7
Medium 22 1/2 – 22 3/4 7 1/8 – 7 1/4
Large 23 1/4 – 23 5/8 7 3/8 – 7 1/2
X-Large 24 – 24 1/2 7 5/8 – 7 3/4
2X-Large 24 3/4 – 25 1/8 7 7/8 – 8

Here is a link to sizing advice provided by ThorMX

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