RK transmission kit open chain XRE 98-520 black sprocket 39z 15z pinion for Yamaha XT

The Motorcycle Transmission Kit is the ideal solution for those looking to optimize the performance of their vehicle. Composed of an RK chain, a JT sprocket, and a JT rear sprocket, this kit ensures smooth operation and exceptional durability.

The chain, with a pitch of 520 and a length of 98 links, is designed with XW-Ring technology, which ensures a tensile strength of 3650 kg. Its gray color, both externally and internally, gives it an elegant and modern appearance. The rivet closure provides additional security during use.

The JT rear sprocket, with an inner diameter of 125 mm and 39 teeth, is made from robust steel. It is secured with 4 flat-head bolts, ensuring stability and reliability. With a PCD of 145 mm and a bolt hole diameter of 10.5 mm, this sprocket is perfectly compatible with numerous motorcycle models.

The JT sprocket completes the kit with a design optimized for wide engagement. With 6 teeth and an inner diameter ranging from 21 to 25 mm, it features 2 fastening bolts and a hole spacing of 42 mm, ensuring perfect integration with the chain and rear sprocket. The width of 8 mm and the number of teeth equal to 15 guarantee optimal power transmission.

• RK Chain
• Pitch: 520
• Links: 98
• Technology: XW-Ring
• Tensile strength: 3650 kg
• Color: gray (external and internal)
• Closure: rivet
• JT Rear Sprocket
• Inner diameter: 125 mm
• Teeth: 39
• Material: steel
• Fastening: 4 flat-head bolts
• PCD: 145 mm
• Bolt hole diameter: 10.5 mm
• JT Sprocket
• Teeth: 6
• Inner diameter: variable between 21 and 25 mm
• Fastening: 2 bolts
• Hole spacing: 42 mm
• Width: 8 mm
• Teeth: 15