Amazon.com : Continental 182311 Bicycle Tube, 27.5 x 1.75 - 2.5-Inch/42 mm Presta Valve , Black : Sports & Outdoors
27.5x2.3 Vee Tire Bicycle Inner Tube 48mm American Schrader Valve 27.5X2.30 Tube - Walmart.com
Amazon.com : Ultraverse Bike Inner Tube for 27.5 X 1.75/1.95/2.10/2.125 inch Bicycle Tire with Schrader Valve – Rubber Tubes for Mountain and Trail, Cruisers, MTB, Gravel, Enduro, Downhill, City Bikes - 2 Pack : Sports & Outdoors