Amazon.com : 2-Pack 27.5" Bike Tubes 27.5 x 2.125/2.2/2.3/2.4 FV48mm Presta Valve 27.5 Bicycle Tubes Compatible with 27.5x2.125 27.5 x 2.2 27.5 x 2.25 27.5 x 2.3 27.5x2.35 27.5 x 2.4 Mountain Bike Tire Tubes : Sports & Outdoors
Schwalbe 27.5“/28"/29“ 40 - 60 mm Tube for MTB, Gravel & Fitness | CANYON CO