JT SPROCKETS Standard Steel Sprocket 1780 - 420 (JTR1780.28)

Replace or adjust your gearing with a sprocket designed for cross use. This JT SPROCKETS sprocket, reference JTR1780.28, is made from C49 carbon steel and features 28 teeth with a 420 pitch. A simple and robust part that easily fits into a standard drivetrain for small displacement bikes.

• Material: steel (C49)
• Number of teeth: 28
• Chain pitch: 420
• Type: standard, model 1780
• Usage: universal Cross / rear transmission

Ideal for gearing adjustments on small motorcycles and pit bikes, this sprocket allows you to modify acceleration and top speed according to your needs. Pair it with a compatible front sprocket and a well-maintained 420 chain to maintain correct transmission geometry. Regularly check the condition of the teeth and the mounting after installation for optimal reliability.

Common compatibilities: SUZUKI JR 50 (2004‑2006, 50 cc). Verify compatibility with your model before ordering.