REAR SPROCKET STEEL 42 [JTR301/210.42] 520, DOUBLE DRILLED JTR301, JTR210
The REAR SPROCKET STEEL 42 [JTR301/210.42] 520, DOUBLE DRILLED JTR301, JTR210 is a 42-tooth steel sprocket designed for 520 chain applications. It features dual mounting hole configurations (countersunk CSK 8.5 mm and plain CTB 10.5 mm) for broad compatibility. Constructed from C45 high-carbon steel, it is heat-treated and sandblasted for durability and stress resistance, and finished in either powder-coated black or bright zinc plating. Specifications include 42 teeth, 520 chain size, and dual fitment mounting (CSK 8.5 mm and CTB 10.5 mm). Part No. SR301-42.S.DR. Cross-reference OEM Part Numbers: JTR301.42, JTR210.42, L17-0242, MX-80342. Meets or exceeds motorcycle industry compound standards and is a direct OEM replacement. Manufacturer: Dirt Racing. Weight: 828g.
- SKU
- SR301-42.S.DR
- Brand
- Dirt Racing
- Availability
- In Stock (31)
FULL DESCRIPTION
Dirt Racing Rear Drive Steel Sprocket 42 Tooth 520 Chain
This 42-tooth rear drive sprocket is designed for 520 chain applications, offering a direct OEM replacement for enhanced drivetrain performance. Manufactured from C45 high-carbon steel, it undergoes a rigorous heat-treatment and sandblasting process to enhance durability, resist wear, and reduce surface tension.
Key Features:
- Constructed from robust C45 high-carbon steel for superior strength.
- Heat-treated and sandblasted to ensure longevity and stress resistance.
- Features a versatile double drilled mounting pattern with both countersunk (8.5 mm) and plain (10.5 mm) bolt holes for broad compatibility.
- Available in a durable powder-coated black or bright zinc plated silver finish.
- Meets or exceeds motorcycle industry standards for compound performance.
Specifications:
- Tooth Count: 42
- Chain Size Compatibility: 520
- Mounting Pattern: Dual fitment (Countersunk 8.5 mm & Plain 10.5 mm)
- Material: High-carbon steel
- Finish Options: Powder-coated black or Silver BZP
This sprocket is a reliable choice for riders seeking a high-quality, durable, and compatible rear sprocket for their motorcycle.
