This is NOT more common old standard of Sqaure taper Scratches, Scuffs do exist No Dents, No cranks, No bending??? This is UNUSUAL in that it is Modified to be SHORT!!! SPECIFICATIONS 130 mm length Center-Center mm BCD (Bolt Circle Diameter) derived from adjacent C-C blt measurement of about mm 130 mm Crank Length..... Is considered very short for an adult bikes, MOST adult bikes are 165,170,172,175mm a length of 130 Typically used for: perhaps? Toddlers bikes, people w limited motion of hips/knees, and most all FIXED Gears(to avoid pedal ground strikes) If your range of motion is limited or you just feel like getting unusual!
COMPATIBILITY Will work for SOME bikes SEE PICTURE PLEASE this is NOT for A Sqaure taper Bottom Bracket. T H A N K S F O R R E A D I N G!