JT Rear Sprocket Steel 39T for 520 Chains - Part Number JTR1857.39

Upgrade your motorcycle's drivetrain with the JT Rear Sprocket Steel 39T designed specifically for 520 chain systems. Crafted from high-quality Japanese 545C high carbon steel, this sprocket offers superior durability and performance. The manufacturing process involves heat treatment and meticulous hand finishing to ensure it meets or exceeds OEM standards, providing a reliable upgrade for both street and off-road riding. Its robust construction ensures it outlasts mild steel or surface-hardened sprockets by two to three times, offering excellent longevity and value. Installing this sprocket can improve power transfer efficiency and extend the lifespan of your chain and sprocket assembly, making it a smart choice for enthusiasts seeking performance and durability.

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: JTR1857.39