REAR SPROCKET STEEL 39 [JTR301/210.39] 520, DOUBLE DRILLED JTR301, JTR210, L17-0239, MX-80339
This REAR SPROCKET STEEL 39-tooth sprocket is for a 520 chain size. It features dual-fitment mounting holes with countersunk 8.5 mm and plain 10.5 mm options. Constructed from C45 high-carbon steel, it is heat-treated and sandblasted. The sprocket is finished in black powder coat or silver zinc plating for durability and corrosion resistance. It meets or exceeds motorcycle industry compound standards and is a direct OEM replacement. Part Number: SR301-39.S.DR.
- SKU
- SR301-39.S.DR
- Brand
- Dirt Racing
- Availability
- In Stock (24)
FULL DESCRIPTION
Dirt Racing Rear Drive Sprocket
This high-quality rear drive sprocket is designed for optimal performance and durability. Constructed from C45 high-carbon steel, it undergoes a heat-treatment and sandblasting process to reduce surface tension, ensuring longevity. The sprocket features a dual-fitment mounting pattern, accommodating both countersunk (8.5 mm) and plain (10.5 mm) bolt types, and is available in either a protective black powder coat or a bright zinc plating finish for corrosion resistance. It meets or exceeds motorcycle industry compound standards and serves as a direct OEM replacement part.
Key Features:
- Material: Crafted from C45 high-carbon steel for superior strength.
- Durability: Heat-treated and sandblasted for enhanced toughness and reduced surface tension.
- Versatile Mounting: Features a dual bolt pattern with both countersunk (8.5 mm) and plain (10.5 mm) options.
- Protective Finish: Available in black powder-coated or silver bright zinc plating for excellent corrosion resistance.
- Industry Standards: Meets or exceeds motorcycle industry compound standards.
- Direct Replacement: Designed as a direct OEM replacement for a seamless fit.
Specifications:
- Tooth Count: 39
- Chain Size Compatibility: 520
- Mounting Type: Dual fitment (CSK 8.5 mm and CTB 10.5 mm)
Cross-Reference Part Numbers:
- JTR301.39
- JTR210.39
