Vortex CK6317 HFRS Hyper Fast 520 Conversion Chain and Sprocket Kit

  
Vortex CK6317 HFRS Hyper Fast 520 Conversion Chain and Sprocket Kit. Use RV3 or SV3 Vortex chains. HFRA "HYPER FAST" 520 KIT.

Conventional Street kit with hard-coat aluminum rear sprocket. Gearing one down in front, two up in rear. HFRS "HYPER FAST" 520 KIT.

Conventional Street kit with laser cut steel rear sprocket. Stock gearing with laser cut steel rear sprocket.