Vortex RS661BK Rear Sprocket Black Anodized Aluminum Sprockets

The Vortex RS661BK is a high-performance black anodized aluminum rear sprocket engineered for precision fitment and maximum durability on the track or street. Vortex Racing is a trusted name in motorcycle drivetrain components, and this rear sprocket reflects their commitment to tight tolerances and quality materials.

Key Features:

• Black anodized finish — corrosion-resistant coating provides a clean, aggressive look while protecting against wear
• Lightweight aluminum construction — reduces unsprung rotational mass for improved throttle response and acceleration
• CNC-machined precision — ensures consistent tooth geometry and smooth chain engagement
• Hard-anodized tooth faces — extends service life under demanding riding conditions
• Direct OEM-style replacement — bolt-on fitment with no modifications required

Designed as a direct replacement rear sprocket, the RS661BK is ideal for riders looking to upgrade from a stock sprocket or refresh worn drivetrain components. Pair with a compatible Vortex front sprocket and quality chain for a complete drivetrain package.