Fork spring for Fox 36 Van 180 from 2011 to 2013.
Hardness:
Extra Flexible - 31.4 lb/in
Flexible - 35.9 lb/in
Medium - 40.4 lb/in
Hard - 44.8 lb/in
Extra Hard - 49.3 lb/in
Spring Hardness : Extra Soft, Soft, Medium, Hard, Extra Hard