BAKCOU - FLATLANDER SD (Super Duty) 2025 Series Elite 52V 750W
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The Flatlander SD Series is designed to revolutionize your outdoor adventures, making exploration effortless. Whether navigating open fields, following a scenic riverbend, or reaching distant landmarks, this e-bike is built for smooth travel across flat terrain and rolling hills.
Bakcou has combined premium components from the Kodiak SD and Mule SD to create a rugged yet budget-friendly ride. With a 750W rear hub motor featuring 2-speed gearing and a durable 6061 aluminum alloy frame, the Flatlander SD delivers reliable power and performance while eliminating derailleur-related issues for a hassle-free experience.
For added convenience, you can integrate Bakcou’s New Geo-Nav, allowing you to lock, alarm, and monitor your bike’s health, location, and riding history in real time via your smartphone. Plus, with responsive customer support, assistance is always available—before, during, or after your ride.
Take on new adventures with confidence—the Flatlander SD is your perfect companion for exploring wide-open spaces.
Benefits
- Delivered with Bakcou Connect free for the first year and a small fee for each
additional year - Dual battery option (up to 40 total amp hours)
- Modular Rack with Quick Release System
- Integrated Display with ODP System
- US Made Components
Highlights
- MOTOR POWER: Two Speed Internal 750W/1,000W rear hub motors
- TOP SPEED: 25+ mph
- RANGE: 40-100+ miles (Single - Dual Battery Option)
- WEIGHT CAPACITY: 350 LBS
Battery Features
- Single Battery: 52V 20 Ah Integrated Lithium Ion Battery
- *Dual Battery Option - An extra 15ah or 20ah battery to extend your distance with a fully integrated modular rack with Quick Release System.
- 52v 4Ah Charger
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Charging Time: 6-8 Hours
Dual Battery Option
Cargo Features
This bike can handle all your typical cargo hauling needs with a maximum payload Capacity of 350 lbs.
The Flatlander SD comes with an integrated rear rack compatible with a rear basket and a double battery option

Specs
- Motor: (2 SPEED INTERNAL) - RMG062A Internal Dual Speed Bafang 750W/1000W high-end rear hub
- Torque: 85 Newton-metres of torque, with torque sensing technology
-
Battery: Integrated battery 52v - 20ah Lithium-Ion Battary with 52v / 4amp Smart Charger.
*Dual Battery Option - An extra 15ah or 20ah battery to extend your distance with fully integrated QR rear rack system - Range: 40+ miles (Single Battery) 80-100+ miles (Dual Battery)
- Performance: 85NM of Torque / 1000 Peak Wattage Output
- Display: Integrated Stem Display
- Brakes: Powerful Tektro HD E725 Quad Piston Hydraulic, 203mm Front & Rear Rotors
- Suspension: 100mm Helical Spring Front Fork
- Frame: Air-Craft 6061 Aluminum Alloy
- Size: 24" & 26" options; tailored to height and athletic ability
- Throttle: Removable Left Thumb
- Axle: 12mm x 150mm Through Axle Quick Release
- Tires: 24" x 4.0 CST or 26" x 4.0 CST
- Gearing: Single-speed combined with dual internal motor gearing. 40T Front Chain Ring, 22T Rear Cog
- Top Speed: 25+ mph
- Steering: PROMAX Wide 760mm Handlebars with Ergonomic Locking Grips
- Load Capacity: 350 lbs
- Shock Absorbing Suspension Seat Post
- Side Rear Derailleur Guards
- Skid-Proof Wide Stance Pedals
- Rear Pannier Rack
- Chain Stay Protector
- Puncture Proof Tire Liners
Geometry
Owner's Manual
Please refer to the Owner's Manual here.
For additional maintenance guidance, please refer to various videos here.
For Display Manual, please see here.
Battery Maintenance
Assembly Guide
Please refer to the Assembly guide here.
Warranty
To learn more details about this product's warranty, please refer to our Warranty Page.
THE KING OF E-BIKE BATTERIES
Bakcou batteries are the king of e-bike batteries because they combine premium lithium-ion cells from trusted brands like Panasonic and Samsung with advanced Battery Management Systems (BMS) for optimal safety, durability, and performance. Designed to withstand tough terrains and extreme conditions, they offer high capacities, long lifespans, and seamless integration into e-bike frames for a sleek, efficient ride.

WE’RE TALKING PERSONALIZED POWER
The Mule SD is powered by Bafang’s Ultra mid-drive motor, which is renowned for its exceptional performance and often referred to as the “Diesel Engine” of mid-drive
motors. Its all-metal, heavy-duty gearing, combined with an integrated torque sensor, makes the Ultra motor the most capable, durable, and efficient motor on the market
This smart torque sensing G510 motor, powered by Bafang, is capable of falling under all 3 Classifications of ebike laws. Toggle between 750 watts, and 1,000 continuous watts with a max power output of 1,500 watts.

Integrated Display
The color LCD display allows for ease of use to track all your bike stats seamlessly and directly connected Bakcou’s New "Bakcou Connect" - an industry-leading technology that allows you to lock, alarm, and monitor your bike's health, location, and riding history in real-time

Suspensions
With advanced suspension and gearing, you can reach your destination quickly. Its sleek, no-top tube (step-through) design allows you to step over with style, making every ride feel like an adventure

Versatile rack
The most versatile e-bike rear rack system on the market—designed to handle a wide range of attachments with ease, including a second battery for extended range, making it ideal for both commuting and backcountry adventures.
This innovative system features a quick-release (QR) mechanism that allows users to effortlessly switch between different QR rack configurations, whether for cargo, panniers, second battery, or other accessories

Ride in comfort
The Shock-Absorbing Suspension Seat will ensure ultimate comfort no matter the terrain.

HYDRAULIC BRAKES
Powerful Tektro HD E725 Quad Piston
Hydraulic, 203mm Front & Rear Rotors offer the latest in braking technology to ensure safety for whatever life brings.

Steering
Enjoy Wide 760mm Handlebars with Ergonomic Locking Grips

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