Polisport Seat Base for KTM SX SX-F EXC (2015-2019) Injection-Molded Plastic | Lightweight & Durable | Direct Fit for Motocross & Enduro Seat Rebuilds MO MASSFX has been producing reliable

MASSFX has been producing reliable and affordable ATV/UTV

robust protection against dust and debris

this setup ensures a strong

Power to Clear From 15' Full Throttle In Under 1 Second Up to 4 lbs

With its ready-to-use formula

Polisport Seat Base for KTM SX SX-F EXC (2015-2019) Injection-Molded Plastic | Lightweight & Durable | Direct Fit for Motocross & Enduro Seat Rebuilds MO MASSFX has been producing reliableRebuild your KTM seat with factory level precision using the Polisport Injection Molded Seat Base, engineered for SX, SX F, and EXC models from 2015 to 2019. Whether you're restoring a worn out seat or building a custom setup, this lightweight and ultra durable base delivers OEM style fitment and race ready performance. Ideal for motocross, enduro, and off road riders who demand reliability and precision, this seat base is the perfect foundation for a