{"type":"product","schema_version":"1.0","item_id":"100133497195","canonical_url":"https://tw.bid.yahoo.com/item/100133497195","title":"【飛輪單車】KENDA 建大內胎 20吋(20*1.75/2.125-美式氣嘴一輪份)[09201721]","subtitle":"-KENDA建大公司出品，物美價廉！","condition":"全新品","currency":"TWD","observed_at":"2026-07-28T17:34:37.380Z","current_price":70,"original_price":null,"stock_status":"out_of_stock","available_quantity":22,"sold_quantity":114,"seller":{"id":"Y3115883780","name":"飛輪單車工坊 (台北/桃園/高雄)","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/acdcf34d-612d-41f6-b0e4-c1cf69d60891.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/58321b74-a5a6-411c-bc01-d594314e903f.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/2d28e89c-46c4-444c-b08d-b9e54c0a978b.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/a16ac720-69bb-4a81-b13d-4d9826ff0f51.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null}],"description":"品名：KENDA 建大內胎 20*1.75/2.125\n 品號：0920-1721\n\n \n\n顏色：黑色\n 重量：-公克\n 尺寸：20 * 1.75/2.125 (輪徑 * 胎寬範圍) [406輪組用]\n 材質：橡膠\n\n \n\n建大產品，物美價廉\n\n20吋內胎，美式氣嘴\n\n適用外胎寬度1.75-2.125範圍 (寬型外胎)\n\n售價為一條價格 (需要一車份請購買兩條)\n\n \n\n \n\n-\n\n \n\nQ：請問我如何知道自己的單車要裝甚麼尺寸的內胎?\nA：通常外胎都有標示規格，所搭配的內胎和外胎是完全相同的，所以依照外胎規格選購就可以了；另外您必須要確認自己使用的是美式氣嘴還是法式氣嘴，一般車款多使用頭較大的美嘴，高階車款較常用尖頭的法嘴，您到車店購買內胎，告知需要的規格(如26*1.75，美嘴)，店員就會正確的給您合適的規格囉。\n\nQ：請問為什麼我裝上新買的內胎，一騎上路就破了?\nA：內胎商品出廠時都經過檢測，並層層把關，有問題的新內胎幾乎是微乎其微，通常新安裝的內胎破胎有下列幾個常見的原因：1是安裝不當，大多是挖胎棒不慎挖破或磨損內胎，2是內襯磨損被鋼絲刺破，3是外胎被尖物刺破，沒有清除掉，打氣上路時依然把內胎刺破，以上請車友注意，若您不確定可以安裝妥當，建議花錢請專業師傅來處理較佳\n\nQ：我可以使用大一個規格或小一個規格的內胎嗎?\nA：是可以，不過不建議，因為安裝不正確的內胎會造成壓力不均勻，間接影響騎乘效率，且破胎的機率又更高，最好還是安裝正確尺寸的內胎較佳。 \n\n.\n\n.\n\n建議您購買前先參考關於我以維護您的購物權益\n\n.\n\n運費原則：本商品運費可合併計算\n 自取原則：本商品可以自取，本店自取只接受現場現金付款，不接受網拍線上刷卡唷 ! (自取免運費)\n 保固範圍：收到商品起七天內新品瑕疵(非人為)\n 退換規定：商品未安裝、未使用，收到商品起七日內可退換 (7天鑑賞期非試用期，商品一經使用即不可退換) (非瑕疵商品退換之運費必須買家自付)","shipping_methods":[{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"離島配送","fee":0,"currency":"TWD"},{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"萊爾富取貨付款","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","信用卡一次付清","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"2092106420","category_name":"內胎","breadcrumb":[{"id":"2092077888","name":"運動、戶外與休閒","url":"/tw/%E9%81%8B%E5%8B%95%E3%80%81%E6%88%B6%E5%A4%96%E8%88%87%E4%BC%91%E9%96%92-2092077888-category.html"},{"id":"2092073613","name":"戶外休閒用品","url":"/tw/%E6%88%B6%E5%A4%96%E4%BC%91%E9%96%92%E7%94%A8%E5%93%81-2092073613-category.html"},{"id":"2092073871","name":"自行車/腳踏車","url":"/tw/%E8%87%AA%E8%A1%8C%E8%BB%8A-%E8%85%B3%E8%B8%8F%E8%BB%8A-2092073871-category.html"},{"id":"2092076933","name":"自行車零組件","url":"/tw/%E8%87%AA%E8%A1%8C%E8%BB%8A%E9%9B%B6%E7%B5%84%E4%BB%B6-2092076933-category.html"},{"id":"2092106420","name":"內胎","url":"/tw/%E5%85%A7%E8%83%8E-2092106420-category.html"}],"view_count":3,"watch_count":21}