RK Transmission Kit open chain HSB 126-428 sprocket 46z pinion 13z for Mash dirt track

The Motorcycle Transmission Kit is the ideal solution for those looking to optimize the performance of their vehicle. Composed of an RK chain, an ESJOT sprocket, and a JT pinion, this kit is designed to ensure smooth and reliable transmission.

The RK chain, with a pitch of 428 and a length of 126 links, features a tensile strength of 2450 kg, ensuring robustness and durability over time. Its open structure, free of O-Rings, makes it lightweight and high-performing, while the gray color on the outside and inside gives it an elegant and modern appearance. The clip closure facilitates installation and maintenance.

The ESJOT sprocket, with an inner diameter of 58 mm and a PCD of 90 mm, is made of steel to ensure strength and stability. With 46 teeth and a flat-head bolt type, it offers secure fastening and perfect compatibility with the rest of the kit.

The JT pinion, equipped with a small engagement, has an inner diameter ranging from 18 mm to 20 mm and a number of teeth of 18. This component is essential for responsive acceleration and optimal management of engine power.

• RK Chain
• Pitch: 428
• Links: 126
• Tensile strength: 2450 kg
• Structure: open, free of O-Ring
• Color: gray outside and inside
• Closure: clip
• ESJOT Sprocket
• Inner diameter: 58 mm
• PCD: 90 mm
• Material: steel
• Teeth: 46
• Bolt type: flat head
• JT Pinion
• Inner diameter: 18 mm - 20 mm
• Teeth: 18