Replace your secondary transmission with confidence using this complete JT kit: 15-tooth steel front sprocket, 34-tooth steel rear sprocket, and super-reinforced HDR 428 chain (130 links). Designed for road use on roadsters and small displacement bikes, this kit provides strength and durability where the chain takes over from the engine to the rear wheel.

• Chain: HDR 428, 130 links, steel color, super-reinforced quality.
• Pitch: 428 (standard for many 125s and roadsters).
• Front Sprocket: steel, 15 teeth (standard).
• Rear Sprocket: steel, 34 teeth (standard).
• Tensile Strength: 24.5 kN.

• Complete kit ready to install: sprocket, rear sprocket, and chain designed for quick replacement.
• Steel materials for good wear resistance and robust installation.
• Super-reinforced chain for better load handling and increased lifespan compared to a standard chain.

Biker Tip: Check compatibility with your model (number of teeth and chain length) before installation. Cutting links and installing a master link may be necessary depending on the setup. Ideal for Yamaha R125 / MT-125 and other roadsters equipped with 428.