{"product_id":"bac4000-retail","title":"BAC4000 Retail","description":"\u003cp\u003e\u003cstrong\u003eFree shipping. Ships within 1–2 days. Includes tuning.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe BAC4000 is the mid-tier ASI controller — a meaningful step up from the BAC2000 in peak output and throttle sharpness. Uses the same FOC architecture and adaptive sensorless start algorithm, tuned for higher-demand applications. Delivers up to 95% of rated motor torque without position sensors.\u003c\/p\u003e\u003ch3\u003eWhat this means for your ride\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNoticeably sharper throttle response versus the BAC2000\u003c\/li\u003e\n\u003cli\u003eHigher peak power output for demanding terrain and heavier loads\u003c\/li\u003e\n\u003cli\u003eSmooth, efficient FOC power delivery retained at all speeds\u003c\/li\u003e\n\u003cli\u003ePopular choice for CyberX owners who want more performance without going full BAC8000\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eNote: Does not include BACdoor access. If you have made changes to your bike setup, email your order number to \u003ca href=\"mailto:info@xion.bike\"\u003einfo@xion.bike\u003c\/a\u003e to schedule a re-tuning session. Harness sold separately — confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"我的商店","offers":[{"title":"Default Title","offer_id":45278293164085,"sku":null,"price":450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0717\/4782\/9813\/files\/DSC5016.jpg?v=1780588302","url":"https:\/\/xmgeneralstore.com\/products\/bac4000-retail","provider":"XM General Store","version":"1.0","type":"link"}