JT. Steel Noise-Free 1186 - 525 Gearbox output pinionRef : JTC00588A / 1126786002

JT Sprockets JTF1186.17RB — steel anti-noise sprocket for 525 chain, 17 teeth. Designed for roadsters, this front sprocket adheres to JT Sprockets standards with CNC machining for precise tooth profiles and is made from SMC420 steel, a material known for its strength. Its steel finish and carefully studied geometry help to minimize transmission noise and ensure a clean engagement of the chain.

• Brand: JT SPROCKETS
• Manufacturer reference: JTF1186.17RB
• Type: front sprocket (118)
• Number of teeth: 17
• Chain pitch: 525
• Material: SMC420 steel, steel finish

Ideal for those who wish to maintain a suitable gearing for their roadster while prioritizing a smooth and reliable transmission. Its anti-noise design reduces disturbances at the rear for a more comfortable ride. Before installation, check compatibility with your model and the condition of the chain: it is generally recommended to inspect or replace the chain and the sprocket at the same time for even wear.

Examples of compatible motorcycles (not exhaustive): Triumph Speed Triple 1200 RS (2025), Speed Triple 1200 RR (2025), Bonneville 1200 Speedmaster (2025). For any adjustment questions, refer to your motorcycle's manufacturer documentation.