JT SPROCKETS Standard Steel Sprocket 1847 - 428 (Manufacturer Ref: JTR1847.57)
57-tooth rear sprocket from JT Sprockets, designed to equip the final drive of roadsters fitted with a 428 pitch chain. Made from C49 carbon steel, it features a sleek black finish and a standard profile suitable for original replacement or gearing changes to modify engine behavior and torque response.
- Brand: JT SPROCKETS
- Reference: JTR1847.57
- Material: steel (C49 carbon)
- Number of teeth: 57
- Chain pitch: 428
- Type: standard
- Color: black
Ideal for maintenance operations or for adjusting gearing (more torque at low RPMs by increasing the number of teeth), this sprocket is aimed at riders looking for a simple and robust replacement part for the final drive. Before ordering, check the chain pitch, centering diameter, and drilling to ensure compatibility with your model.
Common compatibilities: YAMAHA TDR 125 (2001, 2002), YAMAHA FZR 400 RR (1992) — check specific mounts according to year and version.