New Beta Power Valve Adjuster replaces stock adjuster
Allows on-the-fly power valve adjustment without tools
Variable control of throttle intake response & acceleration.
Red anodized billet aluminum in a simple, single-piece design.
Precision machined with Beta "B" logo
Designed & Made in USA
Fits all 2013+ 125/200/250/300 RR 2-Strokes & XTrainers