{"product_id":"koolux-bk6s-4-0-folding-electric-bike-750w-motor-48v-13ah-battery-20-4-0-fat-tyres-dual-suspension-up-to-90km-range-high-power-urban-off-road-e-bike","title":"KOOLUX BK6S 4.0 Folding Electric Bike – 750W Motor | 48V 13Ah Battery | 20″ × 4.0″ Fat Tyres | Dual Suspension | Up to 90km Range | High-Power Urban\/Off-Road E-Bike","description":"\u003ch2 class=\"p1\"\u003e🚲 \u003cspan class=\"s2\"\u003e\u003cb\u003eKOOLUX BK6S 4.0 – High-Power Folding Fat Tyre E-Bike\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003eThe KOOLUX BK6S 4.0 Folding Electric Bike is a high-power all-terrain e-bike designed for riders who want strong acceleration, folding convenience, and off-road capability in one platform. Featuring a 750W motor (UK\/EU variants often limited to 250W road mode), a 48V 13Ah battery, 20″ × 4.0″ fat tyres, and a reinforced folding frame, the BK6S 4.0 is built for urban commuting, hills, and mixed terrain riding.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eThis model is a step up from standard commuter folders, offering more torque, wider tyres, and a more rugged build for heavier daily use.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003e🔧 Key Specifications\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable border=\"1\" cellspacing=\"0\" cellpadding=\"8\" width=\"100%\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eFeature\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eSpecification\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eMotor\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003e750W rear hub motor (250W road-legal mode depending on setting)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eBattery\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003e48V 13Ah lithium battery\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eTop Speed\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eUp to 45–50 km\/h (off-road mode)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eRange\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eUp to 45–90 km assist mode\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eTyres\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003e20″ × 4.0″ fat tyres\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eBrakes\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eMechanical disc brakes\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eSuspension\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eFront suspension fork\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eGearing\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eShimano 7-speed drivetrain\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eFrame\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eFolding aluminium alloy frame\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eWeight\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003e~33–38 kg\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eMax Load\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eUp to 120 kg\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eCharging Time\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003e~6–8 hours\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eDisplay\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eLCD smart display\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eExtras\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp class=\"p1\"\u003eLED lights, rear rack, folding mechanism\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003e⚡ Features \u0026amp; Benefits\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003e⚡ High-Torque Motor Performance\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003eThe 750W motor delivers strong acceleration and hill-climbing ability, making it suitable for heavier riders and steep urban routes.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003e🔋 48V 13Ah Battery System\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003eProvides balanced range for commuting and leisure riding with removable charging convenience.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003e🚲 Folding Frame Convenience\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003eDespite its power, the folding design allows easier storage in cars, flats, or tight spaces.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003e🛞 20″ × 4.0″ Fat Tyres for Stability\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003eWide tyres improve grip, comfort, and control across roads, gravel, and uneven terrain.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003e⚙️ Shimano 7-Speed Gearing\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003eHelps maintain efficiency across hills and mixed riding conditions.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003e🛑 Disc Brake Control\u003c\/b\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003eMechanical disc brakes provide reliable stopping power for everyday riding.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003e🛒 Ideal For\u003c\/b\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003eUrban commuters needing extra power\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003eHilly city routes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003eMixed terrain riders\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003eCampervan \/ travel storage users\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003eRiders wanting folding + high torque\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003eEveryday utility riding\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cem\u003e\u003cstrong\u003eBuilt for power, portability, and versatility — the KOOLUX BK6S 4.0 is a high-performance folding electric bike designed for riders who want stronger motor output without giving up compact storage.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Koolux","offers":[{"title":"Black","offer_id":58078233035077,"sku":null,"price":739.0,"currency_code":"GBP","in_stock":true},{"title":"Gray","offer_id":58078233067845,"sku":null,"price":739.0,"currency_code":"GBP","in_stock":true},{"title":"Blue","offer_id":58078233100613,"sku":null,"price":739.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/7100\/2181\/files\/BK6S4.0750W-6.webp?v=1779803731","url":"https:\/\/riderswarehouse.co.uk\/products\/koolux-bk6s-4-0-folding-electric-bike-750w-motor-48v-13ah-battery-20-4-0-fat-tyres-dual-suspension-up-to-90km-range-high-power-urban-off-road-e-bike","provider":"Riders Warehouse","version":"1.0","type":"link"}