STURMEY ARCHER S3X 3- Speed, Black Fixed Gear Hub, 36H, 130 mm
Schwinn Vintage Cruiser Bike 20" Large 1960's 3 Speed Internal Hub Steel Charity | eBay
Sturmey Archer Vintage The 1990's Bike Bicycle Internal 3 Speeds Hub Three Speed Aw Hub Gear Rear Hub 36 Holes New Old Stock - Bicycle Hubs - AliExpress