1pack - 4pack Schwalbe Bike Tubes 37-349 AV4 16" x 1-3/8 ~ 1.4,18"x1.1/1.35 | eBay
Inner tube | 16 inch wide tube
Schwalbe 16” inch Inner tube - presta/racing type valve SV4 – B-Spokes
Schwalbe Inner Tube 16inch to 18 inch AV4 for Birdy/Brompton Pikes 3 Sixty Schrader American Valve, Sports Equipment, Bicycles & Parts, Parts & Accessories on Carousell
Schwalbe 16'' Inch | 18" Inch x 1 3/8" Presta Schrader 40mm Brompton I – Dcbikes