For your off-road riding, the Trek Rally WaveCel helmet balances comfort and performance with its Boa® Fit System and WaveCel technology to keep your focus on the obstacles that lie ahead.
- Features WaveCel advanced helmet technology; WaveCel is a collapsible cellular structure that lines the inside of the helmet
- Virginia Tech 5-STAR safety rating
- Boa Fit System lets you easily secure and adjust your helmet with one hand
- Adjustable visor offers multiple coverage options
- LockDown dividers make helmet strap management clean and easy to adjust
- Comfortable internal pads wick moisture; and they're easy to wash
- Trek Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership
- Complies with U.S. CPSC safety standards for bicycle helmets for persons age 1 and over
Imported.
To find your size, position a tape measure just above your ears and about 1 in. above your eyebrows. Keep the tape level to measure the circumference around the largest part of your head and then find the corresponding size in the Technical specs info.
View all Trek Mountain Bike Helmets| Best Use | Mountain Biking |
|---|---|
| Helmet Style | Mountain Bike |
| Helmet Construction | Injection-molded |
| Shell Material | Polycarbonate |
| Head Circumference | S: 20-22 inches M: 21-24 inches L: 23-25 inches XL: 24-26 inches |
| Vents | 13 |
| Visor/Brim | Yes |
| Weight | S: 12.7 ounces M: 14.1 ounces L: 15.2 ounces XL: 15.3 ounces |
| Gender | Unisex |