{"type":"product","schema_version":"1.0","item_id":"101721781785","canonical_url":"https://tw.bid.yahoo.com/item/101721781785","title":"【飛輪單車】SHIMANO FD-TZ500前變速器(42T下拉66-69)31.8mm通勤車適用[73264066]","subtitle":"-環抱式","condition":"全新品","currency":"TWD","observed_at":"2026-05-14T06:57:58.843Z","current_price":128,"original_price":null,"stock_status":"in_stock","available_quantity":20,"sold_quantity":0,"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/00b4fc81-5b28-4d4d-86d7-8b6bc572c757.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/0678322f-8cae-4858-9606-356d3a5c8ca8.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/d32a60ad-0172-4faf-b70e-4c4b61efb3f1.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/67613fbd-4a9e-4634-805d-45cd4accda72.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/1716a32d-5fbb-4b13-8dd9-4f8e68f39dc1.jpg","role":"detail","alt":"商品圖片 5","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/067b55a4-c413-4bd7-9b39-7fe2fcfec1d8.jpg","role":"detail","alt":"商品圖片 6","width":null,"height":null},{"url":"https://img.yec.tw/cl/api/res/1.2/ORnW9Fr54fzcFsbQUDgRkw--/YXBwaWQ9cHJvZHVjdDtoPTgyODtxPTg1O3JvdGF0ZT1hdXRvO3c9Nzkw/https://img.yec.tw/oj/image/9f6b1e80-335f-4b34-893a-3cb8b2db0584.jpg.cf.jpg","role":"detail","alt":"商品圖片 7","width":null,"height":null},{"url":"https://img.yec.tw/cl/api/res/1.2/VO5LDsdip93sGbR1HQZ5TQ--/YXBwaWQ9cHJvZHVjdDtoPTg4MDtxPTg1O3JvdGF0ZT1hdXRvO3c9Nzkw/https://img.yec.tw/oj/image/5d9c4aa7-9834-42e7-8bb0-25643e4b93b1.jpg.cf.jpg","role":"detail","alt":"商品圖片 8","width":null,"height":null}],"description":"品名：SHIMANO FD-TZ500 前變速器（Tourney TZ500）\n 品號：7326-4066 代表號\n\n                \n                 \n\n                \n\n                顏色：黑色 / 銀色（依批次）\n 重量：約 130–135 g（不同拉線版本略有差異）\n 尺寸：適用座管直徑 28.6 / 31.8 mm（束環固定） / 前盤建議 42-34-22T\n 材質：鋼材、鋁合金、工程塑膠\n 適用：3×6 / 3×7 / 3×8 速變速系統（上下拉線皆可）\n\n                 \n\n                \n\n                Shimano（禧瑪諾） 為全球知名自行車零組件品牌，從變速器、煞車系統到鏈條、飛輪皆囊括。RD-TZ31A 為其入門「Tourney／TZ 系列」後變速器，專為 6／7 速系統設計，著重穩定可靠與維護便利。\n\n                .\n\n                SHIMANO TOURNEY 系列主要面向通勤與休閒車款，FD-TZ500 是最具代表性的入門前變速器之一。安裝簡單、相容性高、維護容易，非常適合作為通勤車、登山車、小徑車與一般休閒車的必備升級零件。\n\n                .\n FD-TZ500 採用 束環固定設計，不需前變掛耳，適用車款更廣。支援 上下拉線兩種拉線方向，安裝彈性高。前盤適用建議 42/34/22T 三盤組，搭配 6–8 速後飛輪變速範圍更完整，能應付爬坡、通勤到長距離騎乘等多樣需求。\n\n                .\n 特色：\n\n                上下拉通用設計｜Top pull / Down pull 皆可安裝，線路規劃更彈性\n\n                束環固定式｜不需焊接掛耳，多數車架皆可安裝\n\n                支援 3×6–8 速｜相容入門與通勤車常見齒比設定\n\n                變速穩定順暢｜導角設計使鏈條進位更精準\n\n                耐用度佳｜鋼材搭配工程塑膠結構，適合日常騎乘\n\n                \n\n                .\n 商品內容：FD-TZ500 前變速器 × 1\n 產地：中國大陸\n\n                \n\n                .\n\n                \n                \n\n                                    -                         安裝前請確認座管直徑（28.6 / 31.8 mm）是否匹配。\n\n                    \n                    -                         上、下拉線皆可使用，請依車架走線方式選擇固定方式。\n\n                    \n                    -                         建議搭配 SHIMANO 3×6 / 3×7 / 3×8 速系統使用，效能最佳。\n\n                    \n                    -                         安裝後需調整限位螺絲（H / L）避免掉鏈或跳鏈。\n\n                    \n                                \n\n                                    -                         建議以 42/34/22T 前盤組搭配，可達到最廣泛齒比需求。\n\n                    \n                                .\n\n                \n\n                Q：請問安裝容易嗎? A：難度4/5，必須拆卸鏈條才能安裝，前變速器需調整高低限位與拉線張力，新手需要一些耐心。。 註：1.日常操作 / 2.簡易技術 / 3.進階技術 / 4.專業等級 / 5.經驗+專業技術\n\n                Q：適用哪些變速系統？\n Ａ：3×6 / 3×7 / 3×8 速皆可使用，是通勤車與入門登山車最常見的前變速器規格。\n\n                \n\n                Q：可以用在 9 速以上嗎？\n Ａ：不建議。9 速以上鏈條較窄，與此款前變速器導板寬度不相容。\n\n              ...","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":"2092106107","category_name":"前後變速器","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":"2092106107","name":"前後變速器","url":"/tw/%E5%89%8D%E5%BE%8C%E8%AE%8A%E9%80%9F%E5%99%A8-2092106107-category.html"}],"view_count":0,"watch_count":0}