Driven Racing Oil 5017-520-42T 520 Pitch Steel Rear Sprocket 42 Tooth

The Driven Racing Oil 5017-520-42T is a precision-engineered 520 pitch steel rear sprocket with 42 teeth, designed for serious motorcycle and powersports applications. This sprocket represents one of the lightest 520 steel options available, delivering an optimal balance of strength and weight reduction for improved acceleration and performance.

Key Features:

• Ultra-lightweight 520 pitch steel construction—among the lightest in its class
• Proprietary EST (Engineered Surface Technology) design for enhanced durability
• Strategically lowered surface areas remove unnecessary weight without compromising strength
• Attractive black zinc semi-gloss finish resists corrosion and reduces wear
• 42-tooth configuration for optimized gear ratios
• Engineered for both performance and extended service life

This rear sprocket combines advanced manufacturing techniques with quality materials to deliver professional-grade performance. The black zinc coating not only provides an aggressive appearance but also enhances resistance to the elements, making it suitable for both track and street applications. Compatible with 520 pitch chain systems.