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3rd Generation heavy-duty
Fixed inner liner with multi-panel construction and 3D mesh inserts to improve comfort and ventilation
The RadiusX clutch prevents engine stalls so you can focus on the ride and let the auto clutch do the rest
Snap connection system allows integration of Nucleon Race back protector
durability and excellent windproofing performance
WSM Piston Kit - Yamaha - Standard 50-520PK K1 S Track 46 Helmet 3rd Generation heavy-dutyQuality and construction that meets or exceeds OEM Feature improved E clip design Contain piston, rings, pin and clips Additional rings available separately Order one per cylinder Skirts have a nonabrasive, expansion retarding MOS2 coating to reduce heat and friction for added power and longevity MOS2 coating actually draws heat through piston walls and out the bottom Specially hardened tops add strength to ring grooves
US$ 149.00
US$ 139.00
US$ 50.00
