Vortex 920ZR-50 Aluminum Rear Sprocket Chain Sprockets - 920 50-Tooth

The Vortex 920ZR-50 is a CNC-machined aluminum rear sprocket designed for 920-pitch (ANSI #50) chain applications, featuring a 50-tooth configuration. Built to Vortex's exacting racing standards, this sprocket is precision-manufactured from 7075 T6 billet aluminum for an optimal balance of lightweight performance and durability.

Key Features:

• 7075 T6 billet aluminum construction — aerospace-grade alloy for maximum strength-to-weight ratio
• 100% CNC machined to tight tolerances for precise fit and consistent power transfer
• Anodized finish for corrosion resistance and long-lasting appearance
• 50-tooth rear sprocket for 920-pitch (ANSI #50) chain
• Lightweight design reduces rotating mass for improved acceleration and throttle response
• Manufactured in the U.S.A.

Vortex aluminum sprockets are a trusted choice among racers and performance riders who demand reduced rotating mass without sacrificing durability. The 920ZR-50 is engineered to the same high standards found across the full Vortex racing sprocket lineup.