Good used 1975 - 1980 Triumph Spitfire 2nd gear. There are a couple teeth with small chips in them at the bottom. See the 3rd picture and enlarge it. They are at the 5 o clock position. The teeth are straight, no swaying to one side or the other. The gear is rust and pit free. It has 25 teeth. The moss number is 843-135.  Please contact me if you have any specific questions or concerns about this item.