A gear set that can be changed to a high gear ratio when participating in races such as Tamigra and Tamichare. 68T spar. A spar gear set for increasing the speed by changing the gear ratio (11.38 to 7.28) of the standard 70T spar to 9.82 to 6.55. Suitable for Tamiya Grand Prix. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility. Please check with the local customs office of your country of residence prior to making purchases to have an idea of what these additional costs would be. These charges are normally collected by the delivering freight (shipping) company or when you pick the item up - do not confuse them for additional shipping charges. For our future improvement, please feel free to contact us with y.