Trek Circuit WaveCel Helmet Dnister Black Purple Flip Velo Ronny's Trek Rally and Quantum WaveCel MTB Helmets Review Trek Circuit WaveCel Helmet Dnister Black Purple Flip Velo Ronny's Helmet Review Trek Rally WaveCel Freehub Magazine. Experience the perfect blend of style and safety with the Trek Rally WaveCel Helmet. Designed for the adventurous cyclist, this helmet offers superior comfort and protection, allowing you to focus on your ride. Trail tested design featuring advanced WaveCel safety technology for enhanced comfort. Lightweight construction ensures a cooler experience during your rides. Deeper rear coverage for added protection on challenging trails. Strategically placed front vents and a channel system for optimal airflow. Customizable fit with the BOA fit system and a lay flat camlock strap. Goggle compatible visor with built in storage for sunglasses. Removable Blendr magnetic mount for easy integration of accessories like cameras or lights. This helmet is ideal for mountain biking enthusiasts seeking a reliable and stylish option for their outdoor adventures. Whether you're navigating rugged trails or enjoying a leisurely ride, the Trek Rally WaveCel Helmet provides the comfort and protection you need. Details: Available in Medium Purple Flip Black, CPSC certified for safety.