EPI Performance Primary Clutch Spring Part Number:03-SDPS1 (MFG #: SDPS-1) helping to prevent the tire

helping to prevent the tire from getting stuck

made for motorcycle-loving sneakerheads who don't accept rain as an excuse not to ride

Perimeter foam may be trimmed to create additional drainage

optimum lean angle and secure ground contact

Designed for year-round riding—can be closed

EPI Performance Primary Clutch Spring Part Number:03-SDPS1 (MFG #: SDPS-1) helping to prevent the tireFEATURES Largest selection of springs to tune from Fine tune your engagement and top RPM as you like Manufactured from highest quality material 5% tolerance for consistency WEIGHT LOAD Orange(PS 1) 2 1 2" Load 125 lbs 1 1 4" Load 260 lbs Pink(PS 11) 2 1 2" Load 185 lbs 1 1 4" Load 300 lbs Gold(PS 13) 2 1 2" Load 190 lbs 1 1 4" Load 335 lbs Maroon(PS 14) 2 1 2" Load 185 lbs 1 1 4" Load 320 lbs Green(SDPS 10) 2. 9" Load 190 lbs 1. 6" Load 280 lbs