{"product_id":"spmxsm1400","title":"Firma 4000Kv Brushless Motor (SPMXSM1400)","description":"\u003cdiv class=\"product_description\"\u003e\n  \u003cp\u003eFirma 4000Kv brushless motor is a high-performance powerplant designed for 1\/10-scale RC cars, delivering crisp, responsive power on 2S LiPo packs for 4WD, 2WD, and on-road setups.\u003c\/p\u003e\n  \u003cp\u003eBuilt around a low-cog four-pole, eight-magnet rotor and housed in a CNC-machined aluminum shell, it uses insulated high-purity copper windings and a precise 3.175 mm (1\/8\") output shaft with robust bearings for durable, smooth rotation. Preinstalled 4 mm gold-plated bullet connectors simplify installation, and it’s designed to pair with the Firma 85A Smart ESC for efficient performance. It also serves as a straightforward upgrade for 540- and 550-size brushed motors that share the same diameter and mounting pattern, with pinions that have a 1\/8\" bore being compatible.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Spektrum (SPM)","offers":[{"title":"Default Title","offer_id":47909224939572,"sku":"SPMXSM1400","price":52.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0597\/6653\/8292\/files\/SPMXSM1400.jpg?v=1781742651","url":"https:\/\/nankinhobby.com\/products\/spmxsm1400","provider":"Nankin Hobby","version":"1.0","type":"link"}