Vortex 255-42 Silver 42-Tooth 525-Pitch Aluminum Rear Sprocket

The Vortex 255-42 is a silver, 42-tooth aluminum rear sprocket designed for 525-pitch chain drive systems. Engineered by Vortex Racing — a U.S.-based manufacturer with a long-standing reputation in motorcycle road racing, motocross, and powersports — this sprocket delivers a performance-focused combination of reduced rotating mass and exceptional durability.

Key Features:

• 42-tooth / 525 pitch — direct-replacement rear sprocket for 525-chain applications
• Lightweight aluminum construction — reduces drivetrain rotating mass for improved throttle response and acceleration
• Specially formulated alloy per Vortex specifications for optimum strength-to-weight ratio
• 100% CNC manufactured in the U.S.A. — precision machined to the tightest tolerances
• Vortex patented tooth design — engineered for ideal chain engagement, hold, and release to maximize sprocket longevity
• Silver anodized finish — corrosion-resistant anodizing protects the aluminum surface

Vortex rear sprockets are trusted by professional race teams and street riders alike. The 255-42 is an ideal choice for riders looking to fine-tune their gearing with a reliable, track-proven component.