REAR SPROCKET JTR837.39 JT

Built from premium C49 high-carbon steel, JT Steel Sprockets deliver OEM-level precision and durability. With 2,500+ fitments for motorcycles and ATVs, they offer long life, exact fit, and dependable power transfer mile after mile.

Features

• C49 high-carbon steel rears for long wear


• Precision manufacturing for exact OEM fit


• Broad coverage with 2,500+ motorcycle & ATV applications


• Consistent power transfer and sprocket tooth profile accuracy


• Engineered for durability in street, track, and off-road use

Specifications

• Material: C49 high-carbon steel


• Tooth count: 39


• Drive chain pitch: 428


• Colour: Black

Vehicle Fitment

Yamaha (Road, Rear)

• RD125 DX Alloy Wheel 2R6 (1978-1981)


• RD125 DX Spoke Wheel 2R6 (1975-1977)


• RD200 DX Alloy Wheel (1978-1981)