98-04 Aprilia RSV Mille Driven Racing 520 Front Sprocket
Driven Racing Steel 520 Front Sprocket Driven front sprockets are made out of case hardened chromoly steel and machined to exact dimensions Heat treated for greater surface strength Hard anodized for protection against corrosion All sprockets are machined to tolerances no greater than 0.2mm, which is less than half OEM standards 1998-2004 Aprilia RSV Mille R/SP OEM Specs Front Sprocket - 17t Rear Sprocket - 42t Chain - 525...