Vortex 642CZK-37 CAT5 Rear Sprocket 37T Black Aluminum

The Vortex 642CZK-37 is a high-performance CAT5 aluminum rear sprocket designed for motorcycles requiring a 37-tooth configuration. This lightweight racing sprocket features Vortex's specially formulated aluminum alloy and proprietary design that sets it apart from standard sprockets.

Key Features:

• 37-tooth aluminum rear sprocket with black anodized finish
• CAT5 series construction using Vortex's specially formulated alloy for optimal strength-to-weight ratio
• Patented Vortex sprocket design for improved durability and performance
• Lightweight construction reduces rotational mass for quicker acceleration
• Precision-machined teeth ensure smooth chain engagement
• Black anodized coating provides corrosion resistance and distinctive appearance

Vortex CAT5 sprockets are engineered for riders seeking performance upgrades with long-lasting durability. The precision manufacturing process ensures proper fitment and reliable power transfer, making this an excellent choice for both street and track applications.