Vortex 641-42 Silver 42-Tooth 530 Aluminum Rear Sprocket

The Vortex 641-42 is a silver, 42-tooth rear sprocket designed for motorcycles running a 530 chain pitch. Precision-engineered from aerospace-grade billet aluminum, this sprocket delivers a winning combination of low weight and race-proven durability for street and track applications.

Key Features:

• 100% CNC machined from 7075 T6 billet aluminum for exceptional strength-to-weight ratio
• 530 chain pitch compatibility
• 42 teeth for optimized drive ratio tuning
• Patented saber tooth groove design — Vortex's unique tooth profile increases sprocket longevity and chain engagement
• Silver anodized finish provides corrosion resistance and a clean, classic look
• Available in additional colors and a PTFE black hardcoat option that bonds to the aluminum surface for reduced friction and added durability
• Lightening holes reduce rotating mass for improved throttle response
• Manufactured in the USA by Vortex Racing, a trusted name in professional motorsports

Vortex Racing components are built to the tightest tolerances in the industry and tested on the track by top professional race teams worldwide. The 641-42 rear sprocket is an ideal upgrade for riders looking to fine-tune gearing for acceleration, top speed, or stunt performance.