Vortex 840-58 Silver 58-Tooth Rear Sprocket for BST Wheels

The Vortex 840-58 is a lightweight aluminum racing rear sprocket designed specifically for aftermarket wheels including BST, Marchesini, OZ-Racing, and Rotobox. This 58-tooth sprocket is engineered for 530 chain applications and features silver anodizing for superior corrosion resistance.

Key Features:

• 100% CNC manufactured in the USA from specially formulated aluminum alloy
• Patented tooth design increases sprocket longevity and ensures optimal chain hold and release
• Silver anodized finish prevents corrosion and maintains appearance
• Lightweight construction reduces rotating mass for improved performance
• Compatible with BST and other aftermarket wheel systems
• Sprocket dimensions: 5 mounting holes (10mm) with 100mm PCD and 76mm ID

Manufactured to the tightest tolerances with race-proven quality materials, Vortex sprockets are tested on the track with feedback from professional racing teams worldwide.