JT Rear Sprocket Steel 42 Tooth for 520 Chain - Model JTR820.42

The JT Rear Sprocket Steel 42 Tooth for 520 chains, model JTR820.42, offers a combination of durability and affordability for motorcycle enthusiasts and professional mechanics. Crafted exclusively from high-quality Japanese 545C high carbon steel, this sprocket ensures superior strength and longevity in demanding riding conditions. The heat treatment process and hand finishing meet or surpass original equipment manufacturer (OEM) standards, providing reliable performance and extended service life.
Designed to outperform standard mild steel or surface-hardened sprockets, the JT JTR820.42 sprocket can last two to three times longer, reducing the frequency of replacements and maintenance. Its precise engineering guarantees a perfect fit and smooth operation on compatible 520 chain systems, making it an ideal upgrade for performance-oriented riders. Installation is straightforward, and the sprocket’s robust construction enhances overall drivetrain reliability, whether used in racing, off-road, or daily commuting scenarios.
Constructed with quality materials and meticulous craftsmanship, this sprocket maintains its integrity under high torque and stress, providing consistent power transfer and minimizing wear on your chain and other drivetrain components. The JT JTR820.42 rear sprocket is an economical choice that does not compromise on durability or performance, ensuring your motorcycle remains in optimal condition for miles to come.

Features:

• Top quality at economical prices

• Made exclusively from Japanese 545C high carbon steel

• Heat treated and hand finished to meet or exceed OEM standards

• Outlasts mild steel or surface-hardened sprockets by two to three times

ATTRIBUTES:

BRAND: JT

MPN: JTR820.42