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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)
$5.63
Original: $16.09
-65%REAR SPROCKET JTR837.39 JT—
$16.09
$5.63Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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)
















