Vortex 255B-66 525 Black Aluminum Rear Sprocket 66-Tooth

The Vortex 255B-66 is a 66-tooth, 525-pitch black anodized aluminum rear sprocket engineered for sport bike and performance motorcycle applications. Precision-machined to the tightest tolerances in the industry, this sprocket delivers the reliable power transfer and drivetrain performance that Vortex Racing is known for.

Key Features:

• 525 Chain Pitch – Designed for use with standard 525 drive chains
• 66-Tooth Rear Sprocket – High tooth count for optimized low-end torque and acceleration
• Black Anodized Aluminum Construction – Lightweight, corrosion-resistant finish for reduced unsprung weight
• Precision CNC Machined – Manufactured to exacting tolerances for smooth, quiet chain engagement
• Induction-Hardened Teeth – Extended wear life even under demanding track and street use
• Direct OEM Replacement Fitment – Bolt-on installation with no modifications required

Vortex Racing has been a trusted name in high-performance motorcycle drivetrain components since 1995, with products proven at the highest levels of AMA and World Superbike competition. The 255B-66 sprocket is an ideal upgrade for riders seeking reduced weight and long-lasting performance from their drive system.