Cheap minivan captains chair + old office chair base + a piece of plywood = a comfy computer chair. And... Cup holders! : r/pcmasterrace
VEVOR Swivel Chair Base 28 Inch, Office Chair Replacement Base 320 Pounds, Office Chair Base 5 Inch Stroke Length, Replacement Chair Base with Bottom Plate Base Cylinder and 5 Casters | VEVOR US
Chrome 28" Chair Base Kit w/ Casters, Gas Lift, & Tilt Mechanism
Cher Cream Velvet Desk Chair With Gold Base | Living Spaces
Vinsetto 500lbs Big and Tall Office Chair with Wide Seat, Ergonomic Executive Computer Chair with Adjustable Height, Swivel Wheels and Linen Finish, Dark Grey | Aosom.com
5 Star Metal Chrome Steel Iron Executive Mesha Swivel Office Chair Base - China Chair Base and Office Chair Base
Big and Tall Office Chair 400lbs - Heavy Duty Metal Base Ergonomic Massage Desk for sale online | eBay
VEVORbrand Replacement Chair Base, Max Weight 350 Pounds, Stroke Length 5 inch, with Bottom Plate Stand Cylinder and 5 Casters, 28 inch, Black - Walmart.com
Desk Chair Base - Bare Wood Fine Wood Furniture | Groton, CT
Amazon.com: Mastery Mart Office Chair Base Replacement, 28 Inch Heavy Duty(2500 Lbs) Metal Leg, Reinforced to Repair Swivel Gaming Chair Bottom Part with Universal Caster and Gas Cylinder Size (Matte Black) :
Ripple Navy Office Chair with Brass Base + Reviews | Crate & Barrel
VEVOR Office Chair Base 28" Swivel Chair Base Heavy Duty 350 Pounds Replacement | eBay
Office Chair Parts
Amazon.com: 24" Replacement Plastic Office Task Chair Base w/Casters