{"product_id":"sprockets-supersprox-rear-sprocket-steel-40t-520-blk-kaw-pol-106-47840","title":"SUPERSPROX 后链轮 钢制 40T-520 黑 KAW\/POL","description":"\u003cul\u003e\n\u003cli\u003e唯一可用于街道和越野应用的双材料后链轮\u003c\/li\u003e\n\u003cli\u003e钢牙的使用寿命是铝牙的3倍\u003c\/li\u003e\n\u003cli\u003e7075-T651铝芯，比钢轻\u003c\/li\u003e\n\u003cli\u003e数控加工，完美贴合车轮\u003c\/li\u003e\n\u003cli\u003e较大的齿半径可减少链条摩擦，延长链条寿命\u003c\/li\u003e\n\u003cli\u003eU、 美国和欧洲专利\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SUPERSPROX","offers":[{"title":"Black \/ No Rear 40 Tooth","offer_id":41609891217566,"sku":"SUPERSPROX-RFE-478-40-BLK","price":403.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0591\/1448\/7966\/products\/b516-5ad77acd7f393.jpg?v=1650508762","url":"https:\/\/freedomenduro.cn\/products\/sprockets-supersprox-rear-sprocket-steel-40t-520-blk-kaw-pol-106-47840","provider":"越野自由","version":"1.0","type":"link"}