Description
Sold Individually
1620 / 1800rpm Brown Spring
1820 / 2100 RPM Black Spring
1950 / 2450 RPM Red Spring
2420 / 2740 RPM White Spring
2530 / 2960 RPM Blue Spring
2575 / 3010 RPM Purple Spring
2975 / 3440 RPM Green Spring
HEAVY SHOE / LIGHT SHOE