BOYESEN PRO-199 BOYESEN REEDS, Boyesen Pro Series Reeds - PRO, PRO-199 Motocross tyres Heavy duty springs increase clamp

Heavy duty springs increase clamp load to help reduce slip under high torque use

The visor has been designed to direct air into the ports for enhanced airflow

Yamaha - WR450F - 2019

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BOYESEN PRO-199 BOYESEN REEDS, Boyesen Pro Series Reeds - PRO, PRO-199 Motocross tyres Heavy duty springs increase clampBoyesen Pro Series Reeds PRO199 Get the edge of Boyesens patented dual stage reed design plus the latest in carbon fiber technology Carbon fiber top reed and a durable fiberglass epoxy bottom reed Features the quickest acceleration any reed can offer while maximizing horsepower and torque Quick and precise response to changes in piston speed delivers smooth, dependable throttle response You wont sacrifice reed life as you might with traditional carbon