RFX Pro Series Forged Clutch Lever Including Bearing (Black) Suzuki RMZ250/450 07-14 Kawasaki KX65/80/85/100 00-11 KX125/250 97-08 KX500 89-01. RFX Hardware Pro Series Levers are manufactured using a metal forging process to increase inner core strength and resist damage in collisions. Black design with a laser etched RFX logo. Suitable for the pro level racer where machine failure is not an option.