MD-04 MODULAR HELMET BLACK LG Category_Default Category/SLED/Yamaha/Mountain Max '20+ Each valve is designed using

Each valve is designed using Finite Element Analysis software

The Boondocker Breathe Right™ Intake Vent is your ticket to fearless exploration in even the most challenging snow conditions

It fits almost all brake master cylinders and hydraulic clutches

Straightline performance has an exciting line of vents from Frogzskin

MD-04 MODULAR HELMET BLACK LG Category_Default Category/SLED/Yamaha/Mountain Max '20+ Each valve is designed usingThe MD 04 Modular is the perfect lightweight helmet for cross country adventures. The MD 04 has all the essentials, including a list of standard GMAX features normally only found on more expensive helmets.