Exceptional Compliance, Exceptional Efficiency With an EVOL air spring, dual piston damper and 3 position switch, all in a lightweight chassis the Float DPS shock soaks up the bumps and gets your power to the ground with exceptional efficiency. Trunnion Mount Trunnion mounts connect the shock body directly to the linkage. This shortens the overall eye-to-eye length of the shock yet maintains or even lengthens the shock stroke. Factory Series Fox factory products are packed with features and materials developed and used by elite factory sponsored riders. Fox factory shocks are what they race. Factory Series products feature slippery smooth, ultra-durable Genuine Kashima Coat.