How to Choose a Bike Helmet

Built for the rugged adventurer who appreciates a perfect fit, the Giro Radix MIPS bike helmet keeps the sun out of your eyes and delivers plenty of ventilation.




$11
10% Reward
on this and every eligible full-price item*
+
$30
Bonus Card
valid for 30 days after joining*
=
$41
Value
Keep shopping
Imported.
| Best Use | Mountain Biking |
|---|---|
| Helmet Style | Mountain Bike |
| Helmet Construction | In-mold |
| Shell Material | Polycarbonate |
| Head Circumference | S: 20-21.7 inches M: 21.7-23.2 inches L: 23.2-24.8 inches |
| Vents | 25 |
| Visor/Brim | Yes |
| Weight | 11.1 ounces |
| Gender | Unisex |
Adding a review will require a valid email for verification