This set of shocks have 300mm pin to pin mounting. The top pin is 12mm and the bottom is 12mm. These shocks are made as close to the originals as possible. They have a larger piston and spring rate than other shocks you may have seen online.
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Rear Shock Absorbers Suzuki GZ125 GZ 125 1998-2010 Pin/Pin 320mm Shocks Black
Rear Shock Absorbers Suzuki TS185 1973-1981 / 330mm Black Shocks Pin/Pin