{"id":70938,"date":"2024-05-10T18:21:40","date_gmt":"2024-05-10T16:21:40","guid":{"rendered":"https:\/\/www.servomed.de\/produkt\/inner-tube-for-standard-wheelchair-12-1-2x2-1-4310x55-av-90-90\/"},"modified":"2026-11-04T00:52:37","modified_gmt":"2026-11-03T23:52:37","slug":"inner-tube-for-standard-wheelchair-12-1-2x2-1-4310x55-av-90-90","status":"publish","type":"product","link":"https:\/\/www.servomed.de\/en\/product\/inner-tube-for-standard-wheelchair-12-1-2x2-1-4310x55-av-90-90\/","title":{"rendered":"Inner tube for standard wheelchair 12.1\/2×2.1\/4(310×55) AV 90\u00b0\/90\u00b0"},"content":{"rendered":"

The inner tube for standard wheelchair 12.1\/2×2.1\/4(310×55) AV 90\u00b0\/90\u00b0<\/strong> is the right choice when you need a wheelchair tire that holds air reliably and is easy to fit. It is designed for users, care services and repair workshops that value precise sizing and straightforward handling. Thanks to its clearly specified size, this inner tube is ideal as a replacement for a damaged or porous wheelchair inner tube.<\/p>\n

Reliability is what matters most in everyday use: a damaged inner tube can quickly lead to unstable handling, increased effort and unnecessary downtime. The inner tube for standard wheelchair 12.1\/2×2.1\/4(310×55) AV 90\u00b0\/90\u00b0<\/strong> is designed for the common wheelchair tire size and helps ensure safe, even tire performance. Its AV valve makes it easy to adjust tire pressure with many widely available pumps \u2013 convenient at home, in care settings or on the go.<\/p>\n

With its specified tire width and outer diameter, the inner tube for standard wheelchair 12.1\/2×2.1\/4(310×55) AV 90\u00b0\/90\u00b0<\/strong> fits compatible wheelchair tires according to the ETRTO\/DIN specification. The 90\/90\u00b0 valve position is also useful when space around the wheelchair is limited or an easily accessible valve angle is needed. This makes inner tube replacement easier to plan and keeps the wheelchair tires reliably ready for use.<\/p>\n

Your benefits at a glance:<\/h3>\n
    \n
  • Precisely fitting replacement inner tube for standard wheelchair tires in 12.1\/2×2.1\/4\u201c<\/li>\n
  • ETRTO\/DIN marking makes it easier to identify the correct tire<\/li>\n
  • AV valve for easy inflation and pressure checks<\/li>\n
  • 90\/90\u00b0 valve position for easy access, depending on the rim and wheelchair design<\/li>\n
  • Ideal for replacing an inner tube in the event of air loss, porosity or damage<\/li>\n<\/ul>\n

    Technical details:<\/h3>\n
      \n
    • Product name: Inner tube for standard wheelchair 12.1\/2×2.1\/4(310×55) AV 90\u00b0\/90\u00b0<\/li>\n
    • Outer diameter: 310 mm<\/li>\n
    • Tire width: 55 mm<\/li>\n
    • Size (inches): 12.1\/2×2.1\/4\u201c<\/li>\n
    • ETRTO: 62-203<\/li>\n
    • DIN standard: DIN7777<\/li>\n
    • Valve: AV<\/li>\n
    • Valve position: 90\/90\u00b0<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

      The inner tube for standard wheelchair 12.1\/2×2.1\/4(310×55) AV 90\u00b0\/90\u00b0 is the right choice when you need a wheelchair tire that holds air reliably and is easy to fit. It is designed for users, care services and repair workshops that value precise sizing and straightforward handling. Thanks to its clearly specified size, this inner tube is […]<\/p>\n","protected":false},"featured_media":59941,"template":"","meta":[],"product_brand":[],"product_cat":[1447],"product_tag":[],"class_list":["post-70938","product","type-product","status-publish","has-post-thumbnail","product_cat-inner-tubes-1851","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.servomed.de\/en\/wp-json\/wp\/v2\/product\/70938","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.servomed.de\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.servomed.de\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.servomed.de\/en\/wp-json\/wp\/v2\/media\/59941"}],"wp:attachment":[{"href":"https:\/\/www.servomed.de\/en\/wp-json\/wp\/v2\/media?parent=70938"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.servomed.de\/en\/wp-json\/wp\/v2\/product_brand?post=70938"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.servomed.de\/en\/wp-json\/wp\/v2\/product_cat?post=70938"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.servomed.de\/en\/wp-json\/wp\/v2\/product_tag?post=70938"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}