This rear sprocket is used on the Chinese 200cc engines that's used on the Coleman CT200U mini bike. This sprocket has 50T and is compatible with the 420 chain only.
- #420 chain used on ATVs usually with a 7 inch rear wheel or smaller
- 50 Teeth
- Center hole diameter: 40mm [1.56"]
- Mounting holes: 57mm [2.23"] apart center to center [side by side]
- Mounting holes: 80mm [3.15"] apart straight across
- Overall diameter: 20.9cm [8.25"]
Be sure to measure your chain or current sprocket before ordering. 420 chain has 1/2" pitch and 5/16" roller diameter.