TRX90 50 Tooth Rear Sprocket.
Fits:
TRX90 93-04

Yamaha 40T Rear Sprocket.
Fits:
YFZ350 Banshee 89-06
YFM350X Warrior 89-04
YTZ250 Tri-Z 85-86
YFM660R Raptor 01-05

13 Tooth Front Sprocket
Fits:
TRX300EX 93-04
ATC350X 85-86

14 Tooth Front Sprocket for Honda.
Fits:
TRX300 EX 93-04
ATC350X 85-86

38 Tooth OEM Style Rear Sprocket.
Fits:
TRX400EX 99-03
TRX300EX 93-03
TRX250R 88-89
TRX250R 86-87*
*One Tooth Smaller than stock

40 Tooth OEM Style Rear Sprocket.
Fits:
TRX400EX 99-03
TRX300EX 93-03
TRX250R 88-89
TRX250R 86-87

50 Tooth Rear Sprocket
Fits:
TRX125 85-86
This is an optional rear sprocket for ATC110 84-85 and ATC125M 86-87

36 Tooth Rear Sprocket for Honda.
Fits:
ATC70 73-85
TRX70 86-87

Optional 15T Front Sprocket
Fits:
ATC200X 86-87
ATC250R 81-86
TRX250R 86-89
TRX250X 87-88/91-92

48 Tooth Rear Sprocket.
Fits: ATC125M 86-87

Yamaha 13T Countershaft Sprocket.
Fits:
YFZ450 04-07
YFM660R Raptor 01-05

42 Tooth OEM Style Polaris Rear Driven Sprocket.