T-Dash Gear set with 12T Pinion.
15T crown is made specifically for this larger diameter pinion and is included.
Complete set of Dash T-jet gears, with 12T Pinion gear and black delrin crown.
The Pinion gear is already pressed on to the cluster gear shaft for your convenience.
The 15t crown has a shorter barrel than the crown used with a 9t pinion.