JT. Steel Standard 1843 - 428 SprocketRef : JTC00055A / 1074958002

JT Sprockets Standard Steel Sprocket 1843 - 428 (Ref. JTR1843.54) — a transmission part designed for off-road practices. Made from C49 steel, this 54-tooth sprocket with a 428 pitch is aimed at motocross riders looking for a robust and straightforward solution to restore or modify the gearing of their machine.

Its black finish discreetly blends under the swingarm and minimizes dirt adhesion. The choice of C49 steel provides good mechanical strength and wear resistance suitable for the demands of trails and varied terrains, without frills: just the essentials for transmission.

• Material: steel (C49)
• Number of teeth: 54
• Chain pitch: 428
• Type: standard
• Color: black
• Manufacturer reference: JTR1843.54

Compatible with several 125 off-road bikes after verifying the chain pitch and drilling: for example, YAMAHA TT‑R 125 LW BIG WHEELS E (CE21) 2022, YAMAHA TT‑R 125 LW BIG WHEELS (CE18) 2016, and YAMAHA TT‑R 125 E (CE23) 2009. Before installation, check the bolt pattern and number of bolts for a safe fit.