Vortex 526ZB-43 525 Rear Chain Sprocket 43T Blue Aluminum Racing

The Vortex 526ZB-43 is a 43-tooth, 525-pitch rear chain sprocket engineered for serious motorcycle racing and performance street applications. Manufactured from a specially formulated CAT5 aluminum alloy developed to Vortex's own specifications, this sprocket delivers an exceptional strength-to-weight ratio over stock steel sprockets, helping reduce unsprung and rotating mass for improved throttle response and acceleration.

Key Features:

• 43 Teeth – 525 chain pitch rear sprocket
• Rear Position sprocket for 525-series drive chain
• CAT5 Aluminum Construction – lightweight, high-strength proprietary alloy per Vortex specifications
• 100% CNC Machined in the USA – precision-cut for consistent chain engagement and fitment
• Vortex Patented Tooth Design – unique profile promotes even chain wear and extends sprocket longevity
• Blue anodized finish with contrasting silver machine-cut accents for a distinctive appearance
• Also available in additional anodized colors (sold separately)

Vortex Racing sprockets are a trusted choice among professional and amateur racers alike, offering race-proven durability in a lightweight package. The 526ZB-43 is a direct bolt-on upgrade compatible with 525-pitch chain drive systems on select Suzuki GSX-R models.