Wheel Kit Clippr 1-3 Select a size to fit the Clipper Cayman&nbsp;or Ithaka Series crates. Velox 13 small wheels&nbsp;fit the Cayman models 1, 2 and 3. Large wheels&nbsp;for Ithaka models slide into place. Two swivel, and two can be locked.&nbsp; Easy to attach and remove; no tools needed.