JT. Steel Standard Rear Sprocket 1843 - 428 SprocketRef : JTC01240A / 1074958001

Reference: JTR1843.49 — JT Sprockets standard steel sprocket 1843 for chain 428, 49 teeth.

Designed for motocross, this JT Sprockets steel sprocket (C49 carbon alloy) effectively replaces your original part during maintenance or gearing changes. Its steel construction provides good mechanical strength on muddy tracks and during repeated jumps, while remaining compatible with the common 428 transmissions found on small off-road bikes.

• Material: Steel (C49 carbon)
• Number of teeth: 49
• Chain pitch: 428
• Type: Standard (1843)

Changing the sprocket alters the final gearing: gaining or losing a few teeth affects acceleration and top speed — a factor to consider based on your setup and riding style. Direct replacement installation, ensure to check chain slack and torque to manufacturer specifications to guarantee smooth transmission.

Compatible with many small enduros and motocross machines; notable application references include: YAMAHA TT-R 125 LW BIG WHEELS E (2022), TT-R 125 LW BIG WHEELS (2016), and TT-R 125 E (2009). Choose this JT sprocket for a robust part designed for off-road terrain and the intensive use of off-road riders.