PINION: STEEL, 48 PITCH SLIP ON TYPE ($3.95 each)
[48PXXXX]

PINION: STEEL, 48 PITCH SLIP ON TYPE ($3.95 each)

48 Pitch fits most small helicopters like the GWS Dragonfly, Hummingbird, and more.  

2 mm works with GWS EPS300, HIMAX, Razor etc....
2.3 mm works with GWS EPS 400, Speed 400, Hacker Brushless etc....
3 mm works with WARP 4 Brushless etc....
1/8 inch (3.17 mm) works with Mega, Lehner etc...

These are slip on type pinions so you will need some LOCTITE 609 to hold the pinion on the shaft.