Hi Traxxas. I need some help from you. My bike are using 67mm piston, cylinder head 22/24 ported,
Fcr41mm carb, change gearing 1,2 and 5, high cam, leo vince exhaust and using sprockets 15/33. Using uma meter and set it to 100%. Currently my top speed is 150 km/h. I need more top end can you advise me what sprockets size I should use. And my weight is 90 kg. hope u can help me on this. Thank you.