The Rally WaveCel is a trail-tested 5-star MTB helmet with updated lighter and cooler WaveCel safety technology designed for comfort and protection.
5-star safety, now lighter and cooler
The Rally WaveCel Mountain Bike Helmet is 5-star rated by Virginia Tech and features updated, lighter and cooler WaveCel safety tech. You'll love how easy it is to dial in the perfect fit with a BOA® Fit System, lay-flat camlock straps and a Fidlock magnetic buckle. Plus, the goggle-friendly three-position visor has built-in sunglasses storage and the removable Blendr mount makes it easy to mount a Trek light or GoPro.
Plus, the deeper rear coverage offers additional protection and two front-facing vents are strategically placed to offer more airflow to make the Rally WaveCel feel cooler and look the part as well.
Product details
- 5-star safety rating from Virginia Tech with lighter and cooler WaveCel technology
 - Deeper rear coverage provides added protection
 - Front vents and channel system with 10% larger cells for more airflow and efficient cooling
 - Excellent fit and comfort with the BOA® fit system, lay-flat camlock strap and a Fidlock strap buckle
 - Goggle-compatible three-position visor with built-in sunglasses storage
 - The removable Blendr magnetic mount system easily integrates a GoPro camera or Trek lights
 - Crash Replacement Guarantee provides a free replacement in the event of a crash within the first year of ownership
 
| Size | Circumference | 
|---|---|
| S | 
 52 - 56 cm 20" - 22"  | 
| M | 
 55 - 59 cm 22" - 23"  | 
| L | 
 58 - 62 cm 23" - 24"  | 
| XL | 
 61 - 64 cm 24" - 25"  |