04-09 Aprilia Tuono 1000 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 2004-2009 Aprilia Tuono 1000/R OEM Specs Front Sprocket - 16t Rear Sprocket - 42t Chain - 525...