At DMG Motorsports, we present the Vortex CAT5 Rear Aluminum Sprocket 45T-520 in Black (193AZK-45), engineered specifically for BMW models. This sprocket brings race-bred design to your drivetrain, shedding unnecessary weight while delivering the durability and precision that serious riders demand. Whether you're chasing lap times on the track or simply want a sharper-looking, better-performing rear sprocket, this Vortex CAT5 is built to deliver.

Features:

• Anodized-then-machined process: First anodized in vibrant color before being precision CNC machined from premium 7075 aluminum, resulting in a visually striking sprocket adorned with captivating silver highlights.
• Premium 7075 aluminum construction: Delivers a lightweight yet robust component compared to heavier OEM steel sprockets, helping reduce rotating mass for improved acceleration and handling.
• Unique tooth design: Saber tooth grooves with a unique tooth design increase sprocket longevity.
• Patented Vortex design: A patented sprocket design that is unlike any other sprocket on the market.
• Trusted by racers: Racing champions trust the proven design of the CAT5 Vortex aluminum sprocket because of its tight tolerances and unique tooth design.
• 520 pitch, 45-tooth configuration: Designed for BMW models running a 520 chain conversion for smoother, more efficient power delivery.
• Black finish with silver accents: A striking blacked-out anodized look with contrasting silver machined highlights for a distinctive, aggressive appearance.

Fitment