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Final drive ratio, rollout, and estimated top speed. Example values are a typical 1/10 RWD drift setup; replace with yours.
Internal ratio is the transmission/diff ratio from your chassis manual. 2S LiPo is 7.4 V nominal, 8.4 V full. A 10.5T is roughly 3,700 kV; boost and timing raise effective speed beyond this.
| Pinion | FDR | Rollout | Est. km/h | Est. mph |
|---|
Higher FDR (smaller pinion) means more punch and a cooler motor; lower FDR means more top speed and wheel speed. For drift, most people tune for throttle response over top speed.
