Bowflex Selecttech 552 Caster Wheel Feet

This model is for Bowflex Selecttech 552 Dumbells with the plastic molded base. It allows you to add 7/16 inch diameter Grip Ring Stem Caster wheels with a length (for the stem) of at least 1-3/8 inches. The product I used is RILIDRI 2-Inch Swivel Stem Caster, 7/16-Inch Stem Diameter Rubber Wheel, Thermoplastic Rubber - 4 Pack(2 Brakes 2 Swivel) from Amazon.com. They slid in with a nice, tight fit but can still be removed with a bit of effort (bracing one hand/arm to hold the plastic base/foot and one hand pulling/twisting the stem and wheel) and won't damage the foot when removing; just pull straight out. The wheels I used were 2 inch rubber grip ring stem caster wheels, and they don't damage flooring at all (I have cheap faux wood flooring - no issues at all). The total height of these particular wheels, the plastic base, and the dumbells combined comes in right at/just under 12 inches, and the whole thing rolls super smoothly with rubber caster wheels. IMPORTANT: The feet ar