JT Open Chain X1R3 Transmission Kit 98-520 Black Sprocket 39T 15T Gear for Yamaha XT

The motorcycle transmission kit is the ideal solution for those seeking high performance and durability over time. Composed of a chain, a sprocket, and a cog, this kit is designed to ensure smooth and reliable operation.

The chain, branded JT, features a pitch of 520 and a length of 98 links, with an innovative double-locking closure system. Thanks to X-Ring technology, it offers a tensile strength of 4050 kg, ensuring optimal performance even in the most demanding conditions. Its sleek design, with a gray exterior and interior color, perfectly integrates with any motorcycle.

The sprocket, also branded JT, is made of steel and boasts an inner diameter of 125 mm and 39 teeth, ensuring efficient and responsive power transmission. With a PCD of 145 mm and a bolt hole diameter of 10.5 mm, it is designed for secure and stable fastening, thanks to its 4 flat-head bolts.

The cog, also from the JT brand, features a wide engagement fastening and has 15 teeth. With an inner diameter ranging from 21 mm to 25 mm and a hole spacing of 42 mm, this component is designed for easy and quick installation, ensuring perfect compatibility with the rest of the kit.

• JT branded chain
• Pitch: 520
• Number of links: 98
• Closure system: double locking
• Tensile strength: 4050 kg
• Design: gray exterior and interior color
• JT branded sprocket
• Material: steel
• Inner diameter: 125 mm
• Number of teeth: 39
• PCD: 145 mm
• Bolt hole diameter: 10.5 mm
• Number of bolts: 4 (flat head)
• JT branded cog
• Fastening: wide engagement
• Number of teeth: 15
• Inner diameter: 21 mm - 25 mm
• Hole spacing: 42 mm