Vortex Aluminum Rear Sprocket - Silver, 520 / 49T 225-49

Vortex Aluminum Rear Sprocket - Black, 520 / 49T 511ZK-49

Vortex Aluminum Rear Sprocket - Black, 520 / 49T 422ZK-49

Vortex CAT5 Rear Sprocket 2 - Red, 520 / 49T 435ZR-49

Vortex Aluminum Rear Sprocket - Black, 520 / 49T 225ZK-49

Vortex Aluminum Rear Sprocket - Black, 520 / 49T 316ZK-49

Vortex Aluminum Rear Sprocket - Blue, 520 / 49T 208ZB-49

Vortex Aluminum Rear Sprocket - Black, 520 / 49T 208ZK-49