Park Tool Rolling Shop Stool STL-2The new STL-2 is ideal for quickly maneuvering around the bike while making adjustments.Features: Adjustable gas shock with 5" (13cm) of travel, smooth-rolling wheels Swiveling seat with three-color Park Tool Logo Adjusts in height from 17" to 22" (44cm to 57cm)Buy Park Tool Workshop Accessories from Chain Reaction Cycles, the World’s Largest Online Bike Store.