Sidekick Folding Spinning WheelOur travel wheel includes full size treadles, folding front and rear maidens, onboard storage for whorls and a bobbin, and flyer storage under the left treadle. Quick release levers make the Sidekick easy to fold and unfold. Product Specs double treadle Scotch tension 13 pounds 25" orifice height 13 3 4" drive wheel 3 8" orifice diameter Danish oil finish See diagrams above for measurements.