JT. Steel Standard 1120 - 420 Output sprocketRef : JTC00282A / 1077202004

JT Sprockets JTF1120.13 Sprocket — standard steel 1120 sprocket for 420 chain, designed for urban motorcycles and roadsters. Ideal for original replacement or for modifying the gearing, this 13-tooth sprocket offers a robust and straightforward solution for the primary transmission of your machine. Its design focuses on everyday reliability, whether in the city or on small roads.

• Material: steel (high-strength SMC420 alloy)
• Number of teeth: 13
• Chain pitch: 420
• Type / Reference: 1120 / JTF1120.13
• Machining: CNC finish for precise geometry
• Version: standard, replaceable during regular maintenance

JT Sprockets are precisely machined to ensure a good fit with compatible chains and sprockets. The 13-tooth design allows you to adjust the gearing according to your use: more urban cruising or optimization for responsive acceleration on a roadster. Before installation, check the pitch, number of teeth, and compatibility with your output support for a secure fit.

Frequently compatible motorcycles (examples): RIEJU MRT 50 SM (2025), FANTIC XM 50 PERFORMANCE (2025), BETA RR 50 MOTARD (2025). Always confirm compatibility with your nameplate or manufacturer’s specifications.