Height (top to bottom) 17" Width at bottom 7-1/2" Length of shaft 15-1/2" Diameter of shaft at top 23mm Diameter of shaft at bottom 30mm Diameter of hole for shocks 27 mm Look at the scooter on the Amazon page. If your scooter does not look like the one pictured than this fork is not the correct one for your scooter. Does not work with Tao Tao Scooters