Hubs Thread Adapter Bike Flange Freewheel Gear Parts Replacement Spare - Walmart.com
5/8” ID Adapter for freewheel sprockets 1" wide, 2 set screws
Buytra Bike Bicycle Freewheel Threaded Hubs Disk Disc Brake Rotor 6 Bolt Flange Adapter - Walmart.com
Bicycle Freewheel Threaded Hubs Disk Disc Brake Rotor 6-Bolt Flange Adapter New | eBay
21mm Freewheel Adapter Tricycle No Teeth Flywheel Freewheel Connector 34mm Thread Electric Bicycle Accessories - Scooter Parts & Accessories - AliExpress
Staton Inc
Screw on Free hub Adapter – Walker Brothers
Manic Mechanic Freewheel Conversion Reducer. Allows use of the coaster brake sprocket adapter on multi-speed hubs 1.125" or smaller.
Amazon.com : L-faster Bicycle Spoke Chain Wheel Bike Rear Wheel 32T Sprocket for Our Left Drive Motor Kit 16T Freewheel with Adapter for Motor MY1016Z (kit 1) : Sports & Outdoors
Buytra 2Pcs Bicycle Bike Freewheel Threaded Hubs Disk Disc Brake Rotor Flange Adapter - Walmart.com