Vortex 203ZK-38 MX Rear Sprocket Sprockets - CAT5 520 38-Tooth Black

The Vortex 203ZK-38 is a 38-tooth, 520-pitch Cat5 MX rear sprocket finished in a durable black hard-coat anodized coating. Engineered for motocross and off-road performance applications, this sprocket delivers precise power transfer and exceptional durability in the most demanding riding conditions.

Key Features:

• Cat5 Anodized Finish: Black hard-coat anodizing with PTFE provides superior corrosion resistance and extended service life
• 520 Chain Pitch: Compatible with standard 520-pitch chains for MX and off-road applications
• 38 Teeth: Optimized tooth count for balanced acceleration and top-end performance
• 100% CNC Machined: Precision-machined from high-quality aluminum to exact tolerances for consistent fit and concentricity
• Vortex Saber Tooth Groove Design: Patent-pending tooth profile promotes smooth chain engagement and reduced wear
• Weight-Reducing Profile: Cupped-down face design reduces rotational mass for improved throttle response
• Black Hard-Coat with PTFE: Enhanced surface treatment resists wear and buildup in muddy and abrasive conditions

Vortex sprockets are a trusted choice among serious off-road and motocross riders seeking a direct OEM replacement or performance upgrade. The 203ZK-38 is a bolt-on solution engineered to the same standards that make Vortex a top choice in professional racing.