Home / Tekno RC / Drive-train: gearbox and gears / TKR9151B
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TKR9151B Differential Ring Gear, CNC, 43t, for use with TKR9153B. This is one of two ring and pinion sets for fine-tuning gearing on Tekno RC EB/NB48 2.x buggies. Improved tooth engagement gives smoother acceleration and lower rolling resistance, which helps corner speed. It is a direct replacement for TKR9151 and TKR9153, with no extra hardware needed. Overdrive: in very loose conditions, these gears can be used for under or over drive. Only use it in rare cases where traction is very low. 13/43 with 14/47 gives 1.484%, 13/43 with 12/40 gives 0.7724% (13/43 in front), and 12/40 with 14/47 gives 0.7116% (12/40 in front). Note: gears must be used with their counterparts. TKR9151B goes with TKR9153B, and TKR9151C goes with TKR9153C. Current 2.x: 12t pinion (TKR9153), 40t ring (TKR9151), FDR 12.3077. Included with EB/NB48 2.x. Most punch, but more rolling resistance off power. Good for smaller tracks with more 180s and for short run-ups to jumps out of corners. New: 13t pinion (TKR9153B), 43t ring (TKR9151B), FDR 12.2130. Reduced wheelspin on loose tracks.
