August 6, 201214 yr Hello, I picked up a TY250A twin shock a while ago for fun. Picked it up for only US$125. Runs like a dream, needed some TLC but that's part of the fun. I feel that the 14/53 sprockets have it geared too high for trials, OK for trail. I plan to change the front and see that Sunstar makes both 12 and 13 teeth options. What does anyone recommend? I ride Novice to Intermediate. Also, do I need to remove the left side cover to change the sprocket?
August 6, 201214 yr The Standard is a 13T but for modern day trials a 12T will be better. Yes, if you have a full coverage side cover. There is a key tab that must be flattened before undoing the nut which should not be too tight. Tony
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