V-Force 4X Reed Valve Set with Light Tension Petal - Yamaha
Low tension version of VFORCE4X reed valve, part #1008-0360 (sold separately), Ideal for woods riders, hard enduro riders, tight MX tracks or any rider looking for maximum bottom-end, Advanced reed petal resin system, carbon fiber and lay-up, Pre-curved reed petal ensures better seal at the tip, Wider reed cage for maximum airflow, Combined reed tip area is increased by 10.5% for better airflow, Airfoil shape added to cage tip to increase velocity from the outer ports, Reduced frontal area of the central wing combined with a more aerodynamic shape, Made in the USA