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Ride further, climb stronger and enjoy more freedom with the KOOLUX X11S Folding Fat Tire Electric Bike a powerful dual-battery e-bike built for long-range riding, commuting and all-terrain adventures. The KOOLUX X11S is designed for riders who want more power and more distance from every charge. Equipped with a 750W motor that can be unlocked and a 48V 13Ah + 10.4Ah lithium-ion dual battery system, this e-bike delivers strong acceleration and an impressive estimated range of 80–150km per charge, depending on rider weight, terrain, speed, assistance level and weather conditions. Its 20×4.0 inch fat tires offer excellent grip and stability across city roads, gravel paths, scenic routes and rougher surfaces. The front suspension fork helps absorb bumps, while the hydraulic disc brakes provide confident stopping control in different riding conditions. With a Shimano 7-speed gear system, integrated speed sensor and clear LCD display, the KOOLUX X11S gives riders smooth control, useful ride data and flexible performance for everyday journeys and longer weekend rides. The folding frame makes the bike easier to store and transport, while the rear rack, lights, mudguards and included accessories make it a practical choice for daily use. Key Features 750W Motor PowerStrong motor performance for hills, acceleration and all-terrain riding. Dual Battery SystemIncludes 48V 13Ah + 10.4Ah lithium-ion batteries for extended range and longer ride time. 80–150km Estimated RangeDesigned for long-distance rides, commuting and adventure routes. Range varies by rider weight, terrain, speed and riding mode. 20×4.0 Fat TyresWide built-up fat tyres provide extra grip, comfort and stability on mixed surfaces. Hydraulic Disc BrakesResponsive braking system for better control and safer stopping. Shimano 7-Speed GearsSmooth gear shifting for hills, flat roads and different riding conditions. Front Suspension ForkHelps reduce bumps and improves comfort on rougher routes. LCD DisplayView speed, battery level, ride mode and journey information clearly. Folding FramePractical folding design for easier storage and transport. Cool Black FinishModern black frame with bold KOOLUX styling.UK Usage Notice: This model includes a 750W motor and unlocked speed up to 40km/h, which may exceed standard UK EAPC road-use limits. UK EAPC rules require a maximum 250W continuous-rated motor and motor assistance cut-off at 15.5mph / 25km/h. Any higher-power or unlocked mode should only be used on private land with the landowner’s permission, or where legally permitted.