Zeta Pivot Lever Set CRF250L 12-, CRF250M 13-, CRF250RALLY 17- CNC 3-Fin - RedZeta Pivot Lever Set CRF250L 12 , CRF250M 13 , CRF250RALLY 17 CNC 3 Fin The Zeta Case Saver is a CNC machined aluminium barrier that sits between your drive sprocket and your engine case to guard against engine damage from the result of chain failure. The Zeta design features an open style sprocket cover aimed at shedding mud to prevent build up that can cause unnecessary wear. FEATURES CNC machined aluminium construction Anodized finish Laser print