3 major KICKR versions are currently available: the original KICKR '14, the KICKR '16, and the KICKR '17. This page provides guidelines to identify each.
The KICKR '17 (the only version compatible with the KICKR CLIMB) has a gray handle and distinguished from the KICKR '16 by the top cap style, shown below:
While the '16 and '17 versions pictured above have a gray handle, the original KICKR '14 is easily identifiable by its black handle, as shown here:
