Coil Vs. Air

Rear Shocks
Coil vs. Air-Sprung Shocks After a Few Seasons Aboard a Steel Slinky
  8
Suspension
Don't get Wound Up: Mountain Bike Suspension Experts get to the Bottom of Coil (Mis)information
  6
Forks
The Formula Selva Coil Fork has More Plush-Butter than Before [Review]