At DMG Motorsports, we present the Vortex CAT5 Rear Sprocket in 42-tooth, 530 pitch, black finish for Honda applications (Vortex P/N 251ZK-42) — a race-bred upgrade built to shed weight and sharpen your bike's acceleration without sacrificing durability. Vortex has long been a favorite among racers and street riders alike, and this CAT5 sprocket brings that pedigree straight to your drivetrain with a process that sets it apart from ordinary aftermarket sprockets.

Features:

• Anodized FIRST then CNC machined from 7075 aluminum, resulting in a trick black finish with striking silver highlights
• Lightweight aluminum construction reduces rotating mass compared to heavier OEM steel sprockets, aiding acceleration and handling
• Unique saber-tooth groove design increases sprocket longevity and is unlike any other sprocket on the market
• 42-tooth, 530-pitch configuration engineered specifically for Honda fitment
• Precision CNC machining delivers tight tolerances for consistent, reliable performance
• Trusted and proven by racing champions on both track and street

Fitment