Trek Rally WaveCel Mountain Bike Helmet Black/Olive Grey S era BASE FINISHING: Natural wax- A

BASE FINISHING: Natural wax- A paraffin-free wax compound made from natural ingredients

you can control the strength of your heat remotely using your smartphone

elastic cuffs for a great fit with zero chafings

the boot securely anchors your heel for a refined fit that enhances energy transmission

mile after mile along the trail

Trek Rally WaveCel Mountain Bike Helmet Black/Olive Grey S era BASE FINISHING: Natural wax- AA major advancement in the protection against cycling related head injuries 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 collapsible cellular structure that lines the inside of the helmet. This Trek exclusive technology disrupts the safety standards the industry has accepted for over 30 years. Product