ZETA Throttle Tube ze45-8120 F5172 ZETA ZETA throttle tube F5172. See if it fits your bike. Beta RR 125 2T Enduro Beta RR 200 LC 2T Racing Beta RR 200 LC 2T X-Pro Beta RR 250 2T RACE Beta RR 250 2T X-Pro Beta RR 300 2T Enduro Beta RR 300 LC 2T Racing Beta RR 300 LC 2T X-Pro Beta RX 300 Beta Xtrainer 250 Beta Xtrainer 300 Husqvarna TC 125