Description:

Used on: POLARIS ALL-TERRAIN VEHICLE (ATV) TRAIL BOSS 330 2003-2010 :FEATURES: 1. Front Sprocket 11 Teeth 2. Rear Sprocket 40 Teeth : All MOTORCYCLE & ATV chain lengths are expressed by the number of pitches or rollers within it. If you have an old chain and that is in need of replacement and you wish to check the length just count the number of rollers in it including the rollers on each end. If the number is an odd number, then it must have a half link in it. If the chain is very worn, and its history is unknown eg.