last few times i adjusted my chain i only had a 12 point socket to fit the rear axle nut, and of course, its chewing it up. since i'm going to be removing it again for my sprocket swap, i decided its time to buy a 6 point socket. but i cant for the life of me remember if it is a 23 or 24mm socket i need. and i dont want to spring for a whole large socket set. i'm cheap, sue me.
i know, i know, but i searched google, checked the FAQ's, got nothing. and its all the way downstairs in the garage (cold) and i dont want to use up a cotter pin just to take it off for an accurate fit test.
besides, thats what the board is for right?