- 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