JT/JT 420HDS 13/62 standard chain kit - standard sprocket by JT DRIVE CHAIN: a robust and reliable final drive for your roadster. Designed to meet the needs of small displacement bikes, this kit gathers the essential components to replace the secondary transmission and restore a neutral handling of the motorcycle.

• Pitch: 420, suitable for lightweight and compact transmissions.
• Number of links: 138 links, ready to be adjusted according to the motorcycle.
• Quality: super-reinforced chain in steel finish for increased wear resistance.
• Tensile strength: 39.4 kN, an indicator of the mechanical capacity of the chain.
• Sprocket material: steel, standard sprocket compatible with road use.
• Sprocket/chain ratio: 13 teeth at the front / 62 teeth at the rear (13/62), for torque and response suitable for small engines.

This kit is designed for easy replacement of the final drive: check compatibility with your model before installation. A precise adjustment of the tension and regular lubrication will extend the life of the links and teeth. Suitable for several 125 cc single-cylinder models (e.g., APRILIA SX 125 - listed models).

Note: Manufacturer reference: Not provided. Ensure that the dimensions and pitch match your motorcycle before ordering.