The Flatlander SD delivers uncompromising reliability for trail blazers tackling vast distances. This rugged e-bike features a revolutionary dual internal speed hub motor that eliminates derailleur issues entirely—no broken chains, just pure power when it matters most.Take command with Bakcou Connect, our advanced smartphone interface for tracking position, sharing locations, monitoring battery life, and remotely securing your bike. Our Modular Rack with Quick Release system enables dual battery configuration for extended range operations, with additional accessories coming soon for the serious adventurer.When the trail calls, the Flatlander SD answers. No excuses. No compromises. Just results. Benefits Dual-speed motor (no derailluer) Dual battery option (40 total amp hours) Bakcou connect compatible Modular Rack with Quick Release System Integrated Display with ODP System US Made Components Top Features Bakcou Connect: Know the health, location and security of your bike at ALL TIMES—enhancing your outdoor adventures from anywhere. Dual Battery: Conquer distances with dual batteries packing up to 40 amp hours. Why turn back when you can keep going? Double battery, double possibilities—range anxiety ends here. Modular Rack: Transform your Ride! Experience the patent pending rack system Bakcou has innovated to add all your favorite accessories with ease. Because serious outdoor enthusiasts deserve serious gear. Overview The ultimate dual‑speed, long‑range hunting e‑bike built to conquer flatlands and rolling hills. When your adventures follow sprawling valley floors, open prairies or winding forest roads rather than steep ridgelines, the Flatlander SD is built to go the distance. At its heart is the new RMG062A dual‑speed internal hub motor — a 750 W Bafang rear hub that delivers 85 Nm of torque and uses torque‑sensing technology for smooth, responsive power. Because the gearing is enclosed inside the hub, there’s no derailleur to hang up or break; you get a single‑speed chain ring paired with internal two‑speed gearing (40‑tooth front, 22‑tooth rear), meaning pure, silent thrust whenever you need it. This motor is fed by a 52 V 20 Ah integrated lithium‑ion battery, and serious distance riders can bolt on an additional 15 Ah or 20 Ah battery via the modular quick‑release rack for up to 40 Ah of total capacity—perfect for day‑long scouting trips or touring remote ranchland without range anxiety. Bakcou’s engineers paired that powertrain with a rugged Air‑Craft 6061 aluminum alloy frame, a helical‑spring 100 mm front fork and a shock‑absorbing suspension seat post to soak up washboard roads and rocky two‑tracks. Wide 4‑inch CST tires mounted on 24‑inch or 26‑inch wheels provide stability and traction on sand, mud or gravel, while the quad‑piston hydraulic brakes with 203 mm rotors offer confident stopping power. A removable left‑thumb throttle allows you to ease through tight sections. Slip‑resistant wide‑stance pedals, a rear pannier rack, chain‑stay protector and puncture‑proof liners mean the Flatlander SD is ready for serious back‑country work. The integrated stem‑mount display with Bakcou’s On‑Demand Program (ODP) lets you customize your speed class and monitor vital stats. Optional Bakcou Connect brings smartphone‑enabled GPS tracking, battery‑health monitoring and remote locking, so you know the location and condition of your bike at all times. The Flatlander SD gives flat‑ground explorers and long‑range hunters uncompromising reliability. Product Specifications TECHNOLOGYODP - Comprehensive ’On-Demand Program’ for all classification selections. *Optional - Bakcou Connect Technology. Know the health of your bike and location with enhanced security technology (add this feature at an additional cost of $199 and a $99/year subscription with your first year free). BATTERY Integrated Battery 52V - 20Ah Lithium-Ion battery with 52V / 4A Smart Charger. *Dual Battery Option - An extra 15Ah or 20Ah battery to extend your distance with a fully integrated modular rack with Quick Release System. MOTOR(2 SPEED INTERNAL) - RMG062A Internal Dual Speed Bafang 750W high-end rear hub with 85Nm of torque. Torque-sensing technology. GEARING Single-speed combined with dual internal motor gearing. 40t front chain ring, 22t rear cog. BIKE WEIGHT (W/O BATTERY)67 lbs. BIKE WEIGHT (W/ BATTERY)80 lbs. DISPLAYIntegrated Stem Display SUSPENSION Helical Spring front fork 130mm travel for 26" bikes; 100mm travel for 24" bikes. BRAKESPowerful Tektro HD E725 Quad Piston Hydraulic 203mm Front & Rear Rotors THROTTLE Removable Left Thumb Throttle FRAMEAir-Craft 6061 Aluminum Alloy STEERING PROMAX Wide 760mm Handlebars with ergonomic locking grips SIZE24” and 26” options; tailored to height and athletic ability AXLE M12 X 1.25 Threaded Axle TIRES24” x 4.0" CST26” x 4.0" CST OTHER COMPONENTS Shock-Absorbing suspension seat post, skid-proof wide stance pedals, rear pannier rack, chain stay protector, puncture proof tire liners Components Design The Flatlander SD is built for comfort, efficiency, and all-day riding. Its 6061 aircraft-grade aluminum step-through frame makes mounting and dismounting easy while maintaining strength and durability. The geometry is designed for a more upright riding position, reducing fatigue and improving comfort whether you're cruising roads, bike paths, or light off-road terrain. Drivetrain The Flatlander SD features a single-speed drivetrain paired with dual internal motor gearing, creating a simple and low-maintenance system built for efficiency. With a 40T front chainring and 22T rear cog, this setup eliminates complex shifting while still providing the power and range needed for a variety of riding conditions. Motor & Power At the core of the Flatlander SD is the RMG062A Bafang 750W rear hub motor with an internal 2-speed gearing system. Producing up to 85Nm of torque and paired with torque-sensing technology, this system delivers smooth, responsive power while automatically optimizing performance across different speeds. Designed for efficiency and ease of use, it provides a natural riding feel without the complexity of a traditional drivetrain. Suspension The Flatlander SD is equipped with a helical spring front fork designed to absorb bumps and smooth out rough surfaces. With 130mm of travel on the 26” model and 100mm on the 24” model, it delivers a comfortable ride across pavement, gravel, and light trail conditions. Braking System Equipped with Tektro HD E725 quad piston hydraulic brakes and 203mm rotors, the Flatlander SD delivers powerful and consistent stopping performance. This system provides confident control across a variety of riding environments. Display The Flatlander SD features a clean integrated stem display that keeps essential ride data easily accessible. Monitor speed, battery life, assist levels, and ride metrics while making quick adjustments on the go. Tires Outfitted with 4-inch CST fat tires in both 24” and 26” options, the Flatlander SD delivers a smooth and stable ride across multiple surfaces. These wide tires provide added comfort and traction on pavement, gravel, and light off-road terrain. Technology The Flatlander SD includes Bakcou’s On-Demand Programming (ODP), allowing you to easily switch between Class 1, 2, and 3 riding modes. Optional Bakcou Connect technology adds advanced bike tracking and system monitoring for enhanced security and performance insights. Utility & Accessories Designed for everyday versatility, the Flatlander SD includes an integrated rear rack system for carrying gear, commuting essentials, or additional cargo. Compatible with panniers and accessories, it’s built to handle daily rides and extended trips with ease.
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