RFX Pro Launch Control (Blue) - Yamaha YZ/YZF 125-450 All Balls repair kits are

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RFX Pro Launch Control (Blue) - Yamaha YZ/YZF 125-450 All Balls repair kits arePro Series CNC Launch Control RFX Hardware Pro series CNC parts are designed, tested and manufactured for the serious competitor. Using our 30 years of racing and engineering experience we have blended quality designs, superior materials and precision manufacturing processes to create factory racing parts available to everyone. RFX Launch Controls allow you to lower and lock the front suspension to stop the front wheel lifting under hard acceleration