Tamiya 53104 - RC RD 0.4 Spur Gear Set 93T/104T (Racing Developed) OP.104 OP-104 田宮遙控車備用配件 雙星孖星  [53104]

That is an extremely efficient 0.4 module (or 64 pitch metric) nylon spur gear set usable on Tamiya 1/10 on-road models (F1 and GTP show).

Includes:

• 1- 93 tooth 0.4 module spur gear
• 1-104 tooth " " " "
  
  Requires:
• aluminum engine mount,
• 0.4 pinion gear- TAMC7375 (20t+21t), TAMC7280 (22t+23t), TAMC7380 (24t+25T) or TAMC7395 (26t+27t)