At DMG Motorsports, we present the Vortex Aluminum Rear Sprocket 45T-520 Silver for Honda (part 251A-45) — a race-proven upgrade for riders who want to shed rotating mass without sacrificing durability. Vortex has built a reputation as the go-to name in aftermarket sprockets, and this 45-tooth, 520-pitch piece is designed as a direct-fit or 520 conversion option for a wide range of Honda models. Machined from premium 7075 aluminum and finished in a clean silver anodized coating, this sprocket delivers the strength-to-weight ratio serious street and track riders demand.

Vortex sprockets are engineered to outperform heavier OEM steel sprockets by cutting unsprung rotating weight, which translates into sharper acceleration, quicker deceleration, and more responsive handling. The Vortex CAT5 Aluminum Sprockets feature a unique CNC-machined design and a anodized finish that makes them look fast even when standing still. Saber tooth grooves and a unique tooth design increase sprocket longevity, while the "Standard" in the race industry construction has made these sprockets trusted by champions across professional racing. Whether you're upgrading a sport bike, streetfighter, or standard, this 45T-520 silver sprocket from DMG Motorsports gives you a genuine Vortex part built for performance riders who don't compromise.

Features:

• CNC machined from lightweight, high-strength 7075 aluminum for reduced rotating mass
• Silver anodized finish for a clean, race-ready look
• 45-tooth, 520-pitch design suitable for direct fit or 520 chain/sprocket conversions on compatible Honda models
• Unique saber tooth groove design that improves chain engagement and sprocket longevity
• Precision machining reduces rotating mass for improved acceleration, deceleration, and handling
• Trusted by professional racers and considered a standard in the race industry
• Genuine Vortex part, SKU 3-251A45

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