Vortex 313ZK-41 CAT5 Aluminum Rear Sprocket 41T Black 420 Pitch

The Vortex 313ZK-41 is a CAT5 black anodized aluminum rear sprocket featuring 41 teeth and designed for 420 pitch chains. Precision-engineered by Vortex Racing in the USA, this sprocket delivers an ideal balance of low weight and durability for motocross, off-road, and powersports applications.

Key Features:

• 41-Tooth / 420 Pitch: Engineered for 420 pitch chain drive systems
• CAT5 Black Anodized Finish: Hard anodized black coating provides superior corrosion resistance and a clean, race-ready appearance
• Lightweight Aluminum Construction: 7075-T6 aerospace-grade aluminum alloy reduces rotating mass for improved throttle response and acceleration
• 100% CNC Machined: Manufactured in the USA to tight tolerances for consistent fitment and reliable power transfer
• Vortex Patented Tooth Design: Saber tooth groove geometry minimizes chain wear and extends drivetrain life
• Specially Formulated Alloy: Material composition developed to Vortex's proprietary specifications for optimal strength-to-weight ratio

The Vortex 313ZK-41 is an excellent OEM replacement or performance upgrade for riders looking to reduce unsprung weight and fine-tune their gear ratio. Pair with a matched front sprocket and fresh 420 pitch chain for best results.