JT. Steel Standard 1264 - 428 Gearbox output pinionRef : JTC01090A / 1077216002

JT SPROCKETS standard steel sprocket 1264 - 428 (Manufacturer part number: JTF1264.16)

Replacement sprocket designed for chain transmissions with a pitch of 428, this JT Sprockets is intended for urban and roadster use. Made from high-strength steel, it features the geometry and tooth profile suitable for small 125 cc single-cylinder engines, ensuring reliable gearing and predictable engine behavior. Ideal for a gear change or a chain overhaul, it easily integrates into standard transmissions.

• Material: steel (high-strength SMC420 alloy)
• Number of teeth: 16
• Chain pitch: 428
• Type / reference: 1264 — standard version
• CNC machining for precise tooth finish

Robust construction and careful finishing reduce premature chain wear when installation and maintenance are performed correctly. This sprocket is particularly suitable for 125 cc roadsters and urban motorcycles: HONDA CB 125 R (2025), VOGE 125 R (2024), RIEJU MARATHON 125 SM PRO (2020) are among the compatible models. Be sure to check the spacing and gear ratio before installation.