Yokomo ZS-011TSBA Aluminum Tread Adjust Spacer (Black) 0.5mm/1.0mm 橫崛  [ZS-011TSBA]

This could be an aluminum spacer which is frequently put in the middle of your wheel hub and wheel hub to improve the tread width when setting up the wheel. Contains 4 all 0.5mm and 1mm dense shims, which are generally put on the inspiration of situation.