Vortex 193AV4-45 VTX Aluminum Rear Sprocket 45T

The Vortex 193AV4-45 is a 45-tooth VTX series aluminum rear sprocket designed as a direct-fit replacement or performance upgrade for compatible motorcycles. Machined from high-grade aluminum alloy, this sprocket delivers an excellent strength-to-weight ratio, reducing unsprung rotational mass for improved throttle response and acceleration compared to heavier steel alternatives.

Key Features:

• Tooth Count: 45 teeth
• Material: Aircraft-grade aluminum alloy construction
• Series: VTX aluminum sprocket line
• Finish: Hard anodized for corrosion resistance and extended wear life
• Precision CNC machined for accurate tooth profile and consistent chain engagement
• Lightweight design reduces unsprung weight versus OEM steel sprockets
• Direct bolt-on replacement — no modifications required

Vortex Racing is a well-respected name in the powersports industry, known for producing competition-grade sprockets trusted by both street riders and racers. The 193AV4 carrier pattern with a 45-tooth count makes this sprocket ideal for riders looking to fine-tune their final drive ratio for more low-end torque or improved top-end performance depending on pairing with the front sprocket.