JT Transmission Kit open chain X1R 134-428 41z rear sprocket 17z front sprocket

The JT Transmission Kit is the ideal solution for those looking to optimize their motorcycle's performance. Composed of a chain, a sprocket, and a pinion, this kit is designed to ensure smooth operation and exceptional durability.

The X1R chain, with a pitch of 428 and a length of 134 links, features an innovative O-Ring X-Ring system that reduces friction and increases efficiency. With a tensile strength of 2800 kg, this chain is perfect for tackling even the most challenging conditions. Its sleek gray design, both inside and out, perfectly integrates with the aesthetics of your motorcycle. The clip closure ensures easy installation and maintenance.

The JT sprocket, with a pitch of 428 and an inner diameter of 60 mm, is made from robust steel and features 41 teeth for quick and precise response. The PCD of 90 mm and the bolt hole diameter of 10.5 mm ensure perfect compatibility with your vehicle, while the flat-head bolts provide a secure and reliable fastening.

The JT pinion, also with a pitch of 428, is designed for a wide engagement fitting, with an inner diameter ranging from 17 mm to 20 mm. With 6 teeth and a hole spacing of 34 mm, this component ensures optimal power transmission, improving acceleration and engine response.

• X1R Chain
• Pitch: 428
• Number of links: 134
• System: O-Ring X-Ring
• Tensile strength: 2800 kg
• Color: Gray (outside and inside)
• Closure: clip
• JT Sprocket
• Pitch: 428
• Inner diameter: 60 mm
• Number of teeth: 41
• PCD: 90 mm
• Bolt hole diameter: 10.5 mm
• Type of bolts: flat head
• JT Pinion
• Pitch: 428
• Fitting: wide engagement
• Inner diameter: 17 mm - 20 mm
• Number of teeth: 6
• Hole spacing: 34 mm