Vortex Alloy Rear Sprocket 520-45T Black 39-0452-45AZK
Lightweight Aluminum Racing Sprocket
- 100% CNC manufactured in the USA
 - Specially formulated alloy per Vortex specifications
 - Unique tooth design increases sprocket longevity
 - Vortex patented sprocket design is unlike any other sprocket
 
Vortex Alloy Rear Sprocket 520-45T Black 39-0452-45AZK
Lightweight Aluminum Racing Sprocket
- 100% CNC manufactured in the USA
 - Specially formulated alloy per Vortex specifications
 - Unique tooth design increases sprocket longevity
 - Vortex patented sprocket design is unlike any other sprocket