



JT Sprockets JTF1904.17 Sprocket: steel engine sprocket designed for the final drive of roadsters. Ideal for replacement or gearing changes, this 1904 sprocket with a pitch of 525 stands out for its CNC machining and manufacturing from SMC420 steel alloy, ensuring mechanical strength and precise fabrication.
The CNC machining ensures a consistent tooth geometry for smooth engagement with the chain and the sprocket, while the SMC420 steel composition provides good mechanical resistance for road use. Designed with the "ride" spirit of roadsters in mind, this sprocket is suitable for riders looking for a reliable and easy-to-install transmission component.
Always check compatibility with your model before installation. Examples of compatible models: KTM 1390 SUPER DUKE R EVO (2025), KTM 1390 SUPER DUKE R (2025), KTM 1390 SUPER DUKE GT (2025). For optimal longevity, check the condition and tension of the chain during replacement.