hi i have a hustler 950 and i was wandering what type of bolt and nut go on the right sprocket/shaft i have a regualr bold but for some reason its hard to tightin thew nut any body know the size length and diameter of the bolt and nut that goes there thank you very much and hope yall have happy riding oh yea another question is there any riding groups close to me im in anadarko oklahoma thanks a gain