REAR SPROCKET STEEL 50 [JTR301/210.50] 520, DOUBLE DRILLED JTR301, JTR210
The Rear Drive Sprocket SR301-50.S.DR is a 50-tooth steel sprocket designed for motorcycles using 520 chain systems. It is made with C45 high-carbon steel, heat treated and sandblasted to reduce surface tension. Features a dual-hole design with Countersunk CSK 8.5 mm and CTB Plain 10.5 mm bolt-hole patterns for compatibility with various models. This sprocket is finished in powder-coated black or bright zinc plated silver, engineered for durability and consistent performance. Specifications include a tooth count of 50, chain size of 520, and part number SR301-50.S.DR. Cross-reference OEM part numbers include JTR301.50, JTR210.50, L17-0250, and MX-80350.
- SKU
- SR301-50.S.DR
- Brand
- Dirt Racing
- Availability
- In Stock (14)
FULL DESCRIPTION
Dirt Racing REAR SPROCKET STEEL 50 TOOTH 520 CHAIN
Upgrade your motorcycle's drivetrain with the REAR SPROCKET STEEL 50. This high-performance rear sprocket is engineered for durability and precision, utilizing C45 high-carbon steel for robust construction. It features a heat-treated and sandblasted surface treatment designed to reduce surface tension, contributing to its longevity.
Designed with versatility in mind, this sprocket offers a double-drilled configuration with two bolt-hole patterns: countersunk CSK 8.5 mm and CTB Plain 10.5 mm, ensuring compatibility with a range of applications. Available in either a powder-coated black finish or a bright zinc-plated silver finish, it combines functionality with aesthetic appeal.
Key Features:
- Constructed from C45 high-carbon steel for superior strength.
- Heat-treated and sandblasted for enhanced durability.
- Dual bolt-hole patterns: Countersunk CSK 8.5 mm and CTB Plain 10.5 mm.
- Available in powder-coated black or bright zinc-plated silver.
Specifications:
- Tooth Count: 50
- Chain Size Compatibility: 520
- Material: Steel
Cross-Reference Part Numbers:
- JTR301.50
- JTR210.50
- L17-0250
- MX-80350


