SCHWALBE SV9 INNER TUBE 24 x 1.75 - 24 x 1 3/8 PRESTA VALVE | eBay
Amazon.com : 2 Pack 24" Bike Tires 24X1 3/8 /37-540 Plus 2 Pack 24" Bike Tubes 24x1 3/8 AV32mm Valve Compatible with 24 X 1-3/8 Bike Tire and Tubes (Black) : Sports & Outdoors
SCHWALBE SV9 INNER TUBE 24 x 1.75 - 24 x 1 3/8 PRESTA VALVE | eBay