{"product_id":"freesky-alaska-pro-m-520-electric-bike","title":"FREESKY Alaska Pro M-520 Electric Bike – 4000W Peak 48V 45Ah","description":"\u003c!-- Begin Product Description: FREESKY Alaska Pro M-520 Electric Bike --\u003e\n\u003csection class=\"product-description\"\u003e\n\u003ch2\u003eFREESKY Alaska Pro M-520 Electric Bike – 4000W Peak Dual Battery Fat Tyre E-Bike\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eFREESKY Alaska Pro M-520 Electric Bike\u003c\/strong\u003e is a high-power \u003cstrong\u003efat-tyre electric bike\u003c\/strong\u003e engineered for private-land performance, long-range endurance, and all-terrain stability. Featuring a \u003cstrong\u003e4000W peak brushless rear hub motor\u003c\/strong\u003e, \u003cstrong\u003e160Nm torque\u003c\/strong\u003e and a large dual-battery system, it delivers powerful traction and confident control across demanding surfaces.\u003c\/p\u003e\n\u003cp\u003eBuilt around an upgraded \u003cstrong\u003e6061 aluminium frame\u003c\/strong\u003e, the Alaska Pro M-520 combines a \u003cstrong\u003e48V 45Ah dual lithium battery system\u003c\/strong\u003e, dual suspension, \u003cstrong\u003e26 x 4.0-inch fat tyres\u003c\/strong\u003e, Shimano 7-speed gearing and \u003cstrong\u003e180mm 4-piston hydraulic brakes\u003c\/strong\u003e for strength, stability and controlled off-road\/private-land capability.\u003c\/p\u003e\n\u003ch3\u003e⚡ Power \u0026amp; Performance\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e4000W peak brushless rear hub motor\u003c\/strong\u003e provides strong acceleration, powerful climbing support and controlled performance on private land. With \u003cstrong\u003e160Nm torque\u003c\/strong\u003e, the Alaska Pro M-520 is designed for demanding Terrain where traction, stability, and sustained power delivery matter.\u003c\/p\u003e\n\u003cp\u003eA \u003cstrong\u003espeed sensor\u003c\/strong\u003e, \u003cstrong\u003e0–5 \u003c\/strong\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px;\"\u003e\u003cstrong\u003epedal-assist levels\u003c\/strong\u003e, a Shimano 7-speed transmission, and \u003cstrong\u003ea \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003ethumb throttle\u003c\/strong\u003e provide flexible control across different private-land riding conditions.\u003c\/p\u003e\n\u003ch3\u003e🔋 Battery \u0026amp; Range\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e48V 45Ah dual lithium battery system\u003c\/strong\u003e combines an \u003cstrong\u003e18Ah upper battery\u003c\/strong\u003e and \u003cstrong\u003e27Ah lower battery\u003c\/strong\u003e, giving a total capacity of \u003cstrong\u003e2160Wh\u003c\/strong\u003e. Manufacturer range estimates are approximately \u003cstrong\u003e158–282 km\u003c\/strong\u003e under suitable conditions.\u003c\/p\u003e\n\u003cdiv class=\"range-notice\"\u003e\n\u003cstrong\u003eRange Notice:\u003c\/strong\u003e\u003cbr\u003eRange figures are manufacturer estimates and may vary depending on rider weight, Terrain, tyre pressure, assist level, temperature, motor output and riding style.\u003c\/div\u003e\n\u003ch3\u003e🛞 Tyres, Suspension \u0026amp; Ride Comfort\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e26 x 4.0-inch fat tyres\u003c\/strong\u003e provide a wide contact patch for grip and stability across varied private-land surfaces. The \u003cstrong\u003efront and rear dual suspension system\u003c\/strong\u003e includes a lockable, adjustable front hydraulic downhill fork and rear suspension to help absorb impacts and improve comfort over rough ground.\u003c\/p\u003e\n\u003ch3\u003e💡 Controls, Display \u0026amp; Lighting\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eLCD colour display\u003c\/strong\u003e shows key ride information including speed, battery level, mileage, headlight status and pedal assist level. The front headlight supports visibility during use.\u003c\/p\u003e\n\u003ch3\u003e🛡️ Braking, Safety \u0026amp; Build Quality\u003c\/h3\u003e\n\u003cp\u003eThe FREESKY Alaska Pro M-520 is equipped with \u003cstrong\u003e180mm 4-piston hydraulic brakes\u003c\/strong\u003e for strong stopping power and controlled braking modulation. The upgraded \u003cstrong\u003e6061 aluminium frame\u003c\/strong\u003e, KMC chain, heavy-duty kickstand, and reinforced component set support long-term durability.\u003c\/p\u003e\n\u003cp\u003eThe bike is UL 2849\u003cstrong\u003e certified\u003c\/strong\u003e, and the battery system is tested to meet \u003cb\u003eUL 2271\u003c\/b\u003e safety requirements.\u003c\/p\u003e\n\u003ch3\u003e🔐 Security \u0026amp; Smart Features\u003c\/h3\u003e\n\u003cp\u003eThe removable dual-battery design allows convenient charging and secure storage away from the bike. The LCD colour display, multiple assist levels and thumb throttle give riders clear control over performance and battery use.\u003c\/p\u003e\n\u003ch3\u003e🔌 Charger \u0026amp; Power Specification\u003c\/h3\u003e\n\u003cp\u003eThe included \u003cstrong\u003e3A smart charger\u003c\/strong\u003e supports the 48V battery system and charges the battery in approximately \u003cstrong\u003e6–8 hours\u003c\/strong\u003e. A power cable is included.\u003c\/p\u003e\n\u003ch3\u003e📊 Technical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor\u003c\/th\u003e\n\u003ctd\u003e4000W peak brushless rear hub motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePeak Motor Power\u003c\/th\u003e\n\u003ctd\u003e4000W peak output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTorque\u003c\/th\u003e\n\u003ctd\u003e160Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eController\u003c\/th\u003e\n\u003ctd\u003e48V \/ 30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensor\u003c\/th\u003e\n\u003ctd\u003eSpeed sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePedal Assist\u003c\/th\u003e\n\u003ctd\u003e0–5 levels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThrottle\u003c\/th\u003e\n\u003ctd\u003eThumb throttle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBattery\u003c\/th\u003e\n\u003ctd\u003e48V 45Ah dual lithium battery system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBattery Configuration\u003c\/th\u003e\n\u003ctd\u003e18Ah upper battery + 27Ah lower battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBattery Capacity\u003c\/th\u003e\n\u003ctd\u003e2160Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEstimated Range\u003c\/th\u003e\n\u003ctd\u003eApprox. 158–282 km\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCharging Time\u003c\/th\u003e\n\u003ctd\u003eApprox. 6–8 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCharger\u003c\/th\u003e\n\u003ctd\u003e3A smart charger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTransmission\u003c\/th\u003e\n\u003ctd\u003eShimano 7-speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChain\u003c\/th\u003e\n\u003ctd\u003eKMC chain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTyres\u003c\/th\u003e\n\u003ctd\u003e26 x 4.0-inch fat tyres\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSuspension\u003c\/th\u003e\n\u003ctd\u003eFront and rear dual suspension\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFront Fork\u003c\/th\u003e\n\u003ctd\u003eLockable, adjustable front hydraulic downhill fork\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrakes\u003c\/th\u003e\n\u003ctd\u003e180mm 4-piston hydraulic brakes (front \u0026amp; rear)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrame\u003c\/th\u003e\n\u003ctd\u003eUpgraded 6061 aluminium frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplay\u003c\/th\u003e\n\u003ctd\u003eLCD colour display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLighting\u003c\/th\u003e\n\u003ctd\u003eFront headlight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKickstand\u003c\/th\u003e\n\u003ctd\u003eAdjustable heavy-duty aluminium kickstand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeatpost\u003c\/th\u003e\n\u003ctd\u003e30.9 x 350mm alloy seatpost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBike Weight\u003c\/th\u003e\n\u003ctd\u003e40.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Load\u003c\/th\u003e\n\u003ctd\u003e136 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal Length\u003c\/th\u003e\n\u003ctd\u003e194.3 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWheelbase\u003c\/th\u003e\n\u003ctd\u003e120.4 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal Height\u003c\/th\u003e\n\u003ctd\u003e111.8 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Height\u003c\/th\u003e\n\u003ctd\u003e80–103.4 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Tube Angle\u003c\/th\u003e\n\u003ctd\u003e73°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReach\u003c\/th\u003e\n\u003ctd\u003e45.7 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandover Height\u003c\/th\u003e\n\u003ctd\u003e51.8 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWheel Diameter\u003c\/th\u003e\n\u003ctd\u003e67.8 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRider Height\u003c\/th\u003e\n\u003ctd\u003e168–203 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertification\u003c\/th\u003e\n\u003ctd\u003eUL2849 certified; battery tested to UL-2271\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColour Options\u003c\/th\u003e\n\u003ctd\u003eBlack, Blue, Green\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIn the Box\u003c\/th\u003e\n\u003ctd\u003eElectric bike, battery, charger, power cable, user manual, mudguards, rear rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e✅ Why Buy From Electric Scooters London?\u003c\/h3\u003e\n\u003cp\u003eElectric Scooters London is a UK specialist retailer offering expert advice, UK-based support and dependable after-sales service. We supply carefully selected electric bikes designed for reliability, performance and long-term ownership.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"FREESKY Alaska Pro M-520 Electric Bike 4000W Peak 48V 45Ah\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0044\/9377\/0822\/files\/520-Gravel_Roads.webp?v=1779311779\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/UkNEMkAdAqU?si=9AHN9zm6XmuOTyng\" title=\"FREESKY Alaska Pro M-520 Electric Bike Video\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cdiv class=\"e-bike-legal-disclaimer\"\u003e\n\u003cstrong\u003eImportant Legal Notice (UK):\u003c\/strong\u003e\n\u003cp\u003eThis electric bike exceeds the UK Electrically Assisted Pedal Cycle (EAPC) limits due to its motor power and\/or assisted speed capability. Under UK law, e-bikes with a motor over 250W or capable of assisting at 15.5 mph are classified as motor vehicles. They cannot be used on public roads, cycle lanes, pavements or other public spaces without full type approval, DVLA registration, insurance and a valid driving licence.\u003c\/p\u003e\n\u003cp\u003eThis model is supplied strictly for \u003cstrong\u003eoff-road\/private-land use only\u003c\/strong\u003e, with the landowner's explicit permission. Use on publicly accessible land is not permitted.\u003c\/p\u003e\n\u003cp\u003eImages or videos may show usage outside the UK and are for illustration only.\u003c\/p\u003e\n\u003cp\u003eBy purchasing and using this product, the customer accepts full responsibility and agrees to hold \u003cstrong\u003eElectric Scooters London\u003c\/strong\u003e harmless from any claims, penalties, or damages arising from misuse.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- End Product Description: FREESKY Alaska Pro M-520 Electric Bike --\u003e\n\u003cstyle\u003e\n.range-notice{\nborder-left:4px solid #cc0000;\npadding:12px 16px;\nmargin:20px 0;\nbackground:#fff5f5;\nborder-radius:6px;\nfont-size:14px;\nline-height:1.5;\n}\n.e-bike-legal-disclaimer {\ncolor: #cc0000;\nborder: 2px solid #cc0000;\npadding: 15px;\nmargin-top: 25px;\nbackground-color: #fff5f5;\nborder-radius: 6px;\nfont-size: 14px;\nline-height: 1.5;\n}\n.e-bike-legal-disclaimer p { margin: 0 0 8px 0; }\n.e-bike-legal-disclaimer strong { font-size: 16px; }\n\u003c\/style\u003e","brand":"FREESKY","offers":[{"title":"Black","offer_id":56261864784251,"sku":null,"price":1825.95,"currency_code":"EUR","in_stock":true},{"title":"Green","offer_id":56261864817019,"sku":null,"price":1825.95,"currency_code":"EUR","in_stock":true},{"title":"Blue","offer_id":56261864849787,"sku":null,"price":1825.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0044\/9377\/0822\/files\/FREESKY-Alaska-Pro-Black-1_30d399a4-5297-42fa-a0cd-1bc1d45de340.webp?v=1779311531","url":"https:\/\/www.electricscooterslondon.com\/en-de\/products\/freesky-alaska-pro-m-520-electric-bike","provider":"Electric Scooters London","version":"1.0","type":"link"}