Vortex 840C-63 Rear Sprocket Pitch Aluminum Sprockets - 63-Tooth 520 Silver

The Vortex 840C-63 is a lightweight aluminum racing rear sprocket designed specifically for aftermarket wheels including BST, Marchesini, OZ-Racing, and Rotobox applications. Engineered for 520 pitch chains, this 63-tooth sprocket provides increased gearing options for stunt riding and performance applications.

Key Features:

• 63-tooth configuration for modified gear ratios and enhanced low-RPM wheelie capability
• 100% CNC manufactured in the USA to precise tolerances
• Constructed from specially formulated aluminum alloy per Vortex specifications
• Silver anodized finish prevents corrosion and provides durability
• Unique tooth design increases sprocket longevity and performance
• Lightweight construction reduces rotating mass for improved acceleration
• Precision machined for accurate fitment on aftermarket wheels
• Fits wheels with 5 x 10mm bolt holes, 100mm PCD (Pitch Circle Diameter), 76mm inner diameter

Vortex Racing has been manufacturing premium motorcycle racing components since 1995, with parts tested by professional race teams worldwide. Each sprocket is made to the tightest tolerances with the best quality materials in the industry, ensuring reliable performance in demanding conditions.