Vortex 840ZK-37 CAT5 Rear Aluminum Sprocket 37T 530 Pitch Black

The Vortex 840ZK-37 is a high-performance CAT5 rear aluminum sprocket designed specifically for aftermarket wheels including BST, Rotobox, and Core Moto Apex-6 models. This 37-tooth sprocket is anodized first, then CNC machined from premium 7075 aluminum, creating a striking black finish with contrasting silver machined highlights on the teeth and grooves.

Key Features:

• 100% CNC manufactured in the U.S.A. from aerospace-grade 7075 T6 aluminum alloy
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• Saber tooth grooves and unique tooth design increases sprocket longevity
• Lightweight construction effectively diminishes rotating mass, amplifying power transfer to the pavement
• Vortex patented sprocket design is unlike any other sprocket
• 530 chain pitch for high-performance applications

Specifications:

• Tooth Count: 37T
• Chain Pitch: 530
• Sprocket Dimensions: 5 (10mm holes) with a PCD (Pitch Circle Diameter) of 100mm and a sprocket ID of 76mm
• Color: Black with silver machined accents
• Features a 5 bolt aftermarket bolt pattern, commonly used on wheels by OZ, Marchesini, BST, CoreMoto (Apex-6 only), Rotobox and other manufacturers

Renowned among Racing Champions, the CAT5 Vortex Aluminum Sprocket earns trust through its impeccable tight tolerances and distinctive tooth design, delivering unparalleled performance on the track. This sprocket will not fit most OEM wheels and is specifically designed for aftermarket wheel applications.