JT. Steel Standard 394 - 520 Gearbox output pinionRef : JTC01392A / 1077364002

JTF394.13 - JT SPROCKETS Standard Steel Sprocket 394 - 520

Replace your sprocket with a part from JT Sprockets, designed for the transmission of off-road and street machines. This 13-tooth steel sprocket, pitch 520 and type 394, offers a simple and robust solution for replacement or gearing adjustment. Ideal for quads, motocross bikes, and roadsters that use the 520 standard.

• Material: steel (SMC420 alloy)
• Number of teeth: 13
• Chain pitch: 520
• Type / Version: 394 – standard version
• Machining: CNC finish for precise tooth geometry

The JTF394.13 sprocket fits on drivetrains seeking reliability and longevity without compromising chain engagement. By changing the number of teeth, you can adjust the gearing to favor acceleration or top speed depending on your usage. It is particularly suitable for machines like HM CRM 125 Dérapage 2T (2015), Aprilia RX 125 (2012), or Can-Am DS 450 X (2009) — check compatibility with your machine before installation.

Original part from JT Sprockets for demanding riders: easy to install, robust, and ready to hit the road, track, or trails.