Rally WaveCel is a high-style, high-value off-road helmet with trail-specific features and WaveCel, a leading technology in the protection against cycling-related head injuries.
WaveCel is a revolutionary helmet technology thats exclusive to Trek and Bontrager helmets. Its designed to be more effective than traditional foam helmets in protecting against certain cycling-related injuries.

• WaveCel is a leading helmet tech designed to absorb linear impacts and rotational energy
• Virginia Tech 5 STAR rating
• BOA Fit System lets you easily secure and adjust your helmet fit with one hand
• Adjustable visor offers multiple coverage options
• LockDown dividers make helmet strap management clean and easy to adjust
• Soft, comfortable, and moisture-wicking washable helmet pads
• Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership