When the trail gets tough, the Flatlander SD pushes harder. Designed for serious off-roaders and long-distance adventurers, this rugged electric bike eliminates traditional drivetrain issues with its cutting-edge dual-speed internal hub motor—no derailleur, no broken chains, just relentless power and reliability wherever the ride takes you.
The Flatlander SD isn't just about muscle. Stay connected with Bakcou Connect—our smart tech platform that lets you track your ride, monitor your battery, share your location, and even lock your bike remotely. Need to go the extra mile? Upgrade to our Modular Rack System with a dual battery setup, giving you up to 40 amp hours of trail-dominating range.
Feature | Details |
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Motor | Bafang 750W High-End Rear Hub Motor |
Battery Options | 48V 17.4Ah, 19.2Ah, 21Ah, or 25Ah Lithium-Ion |
Range | Up to 82 miles (depending on battery size and riding conditions) |
Top Speed | 25+ mph (40+ km/h) |
Torque | 85 Nm |
Display | Bafang Full-Color LCD |
Brakes | Tektro Quad Piston Hydraulic, 203mm Front & 203mm Rear rotors |
Suspension | BCEB GT MRK 100mm AIR Fork |
Frame | High-Grade Aluminum Alloy 6061 |
Throttle | Removable Left Thumb Throttle |
Wheels | Quick Release Front Hub |
Tires | Maxxis Minion 26" x 4.0 |
Gearing | Shimano Alivio 9-speed, 40t Front, 11x36t cassette |
Handlebars | Wide 740mm for Greater Stability |
Weight | 63 lbs (28.6 kg) |
Load Capacity | 300 lbs (136 kg) |
Seat Post | Shock Absorbing Suspension Seat Post |
Pedals | Aggressive Skid-Proof Wide Stance Pedals |
Saddle | SR Sport Saddle |
Grips | Locking Ergonomic Handlebar Grips |
Derailleur Guards | Front & Side Rear Derailleur Guards |
Top Speed | 25+ mph (40+ km/h) |
Weight | 63 lbs (28.6 kg) |
Key Features:
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Dual-Speed Internal Motor – Powerful Bafang 750W/1000W motor with 85Nm of torque. No derailleur, just seamless gear changes.
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Dual Battery Compatible – Add an extra 15Ah or 20Ah battery to double your range.
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Smart Connectivity – Optional Bakcou Connect system for GPS tracking, diagnostics, and theft protection (first year free).
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Modular Rack + Quick Release – Built for serious gear hauls and quick battery swaps.
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ODP Integrated Display – On-demand control over all bike classifications at your fingertips.
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Made in the USA – Premium components, U.S.-based support, and top-tier service.
Performance Specs:
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Brakes: Tektro HD E725 quad-piston hydraulic with 203mm rotors
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Suspension: 100mm helical spring front fork for a smooth ride
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Frame: Aircraft-grade 6061 aluminum alloy
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Handlebars: PROMAX 760mm wide bars with ergonomic grips
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Tires: 24” x 4.0" or 26” x 4.0” CST, puncture-resistant liners
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Throttle: Removable left thumb throttle
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Extras: Rear pannier rack, skid-proof pedals, shock-absorbing seat post, chain stay protector
This is the e-bike for riders who demand more—more range, more control, more adventure. The Flatlander SD doesn’t make compromises. It makes legends.
Return and Refund Policy
Cancellations & Refunds: At Bike Pro Guys, we pride ourselves on having the best return policies in the industry. Cancel your order any time before it ships completely free of charge (exceptions apply such as custom orders, see below).
If you need to exchange your product, you may do so. You, as the customer, are responsible for any shipping costs throughout any returns and exchange processes.
- New and Unused Products Only
- Customers Are Responsible For All Return Shipping And Exchange Costs
Not all orders are available for return once they have shipped. We order our products directly from the manufacturer. Therefore, if the manufacturer will not permit us to return a product, we cannot offer you a return. This often varies on a case-by-case basis; please reach out to us if you would like specific information on your brand and/or product.
Due to drastically increasing LTL/freight shipping costs, any outright returns will incur a 25% cancellation fee + return shipping costs. If you are replacing the product with something else, we may be able to help you cover some of the costs depending on the product.
Customers have 30 days from the date they received the item to initiate a return, however, please check the specific return policy for the brand of product you are purchasing as the brand specific return policy on the product page overrides this general return policy of 30 days.
Cancellations of Custom Orders
Custom or made to order products cannot be canceled or refunded as these products are put into production specifically for your order.
These units are custom made to your specification or created once you order. Once you place your order they start building your unit. Your warranty will guarantee you a fully functional and operational product. If it is not clear whether your order is custom or made to order, please message or call us.
All sales are final for Custom made and Made to order products.
Damages
Please inspect the packaging of your item(s) when they arrive, if you notice any damage, you should make note of it when signing for delivery. If your item(s) do arrived damaged please send photos of the damage, box and SKU, along with a brief description of the damage to support@bikeproguys.com and we will process an insurance claim on your behalf. Photos and videos must be sent for freight damage within 24 hours of arrival or the freight damage claim will not be valid. Any punctures, or visible signs of exterior damage must be reported within 24 hours.
Warranty
Warranties vary depending upon the manufacturer - see individual product pages for details. Warranty damages occur over time and from use. If an item was damaged upon arrival, and not reported within 30 days, that is not a warranty claim.
Returns
The Bike Pro Guys default is that customers will be responsible for all return shipping charges or re-consignment fees caused by customer error unless otherwise stated on the product page.
Returns Will be processed within 14 days of receiving the item.
Nearly all of our products have guarantee warranty policies - meaning that you will 100% get a fully functional, operating product that you paid for without any extra expenses incurred on your end - please see individual product pages for details.
Chargebacks
Our team of agents are here to assist you and resolve any issues. We have purposefully made our policies as fair as possible, and we believe they are the top in the industry. We are on your team. We are immediately responsive and will do all that we can to help you out and provide the best resolution.
Given this, any customer that files a fraudulent chargeback will be held criminally liable for theft. If you have not received a product, or have an issue with a product that you did receive, please contact us, and we will help you resolve your issue. Please do not file chargebacks for issues that we can resolve together. Thank you for shopping with us!
By using the site, you agree to these terms of use; if you do not agree, do not use the site.
- Phone: +1(480)-800-0277
- Email: support@bikeproguys.com
- Business Hours: Monday- Friday 9 AM-5 PM MST
Shipping Policy
Where We Ship
We currently ship to the Continental United States only. All orders include free shipping.
Couriers
We team up with Royal Mail, DHL, and DPD to deliver your items safely and reliably.
Delivery Timeframe
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Order Cut-Off: Monday–Friday at 3:00 PM (MST). Orders placed after this time will begin processing the following business day.
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Handling Time: 2–4 business days (Monday–Friday). Your products need a little extra love in production before shipping out.
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Transit Time: 5–15 business days (Monday–Friday).
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Estimated Total Delivery: 7–19 business days (Monday–Friday).
Note: These are estimates. While we aim to delight you right on schedule, unexpected delays (e.g., carrier issues, weather) can happen.
Shipping Costs
We believe in delivering smiles without extra fees, so we offer free shipping on all orders.
Tracking
Want to follow your order’s comedic journey from production to your door? We provide tracking so you can watch every twist and turn until your package arrives.
Need Help?
Our mission is to deliver more than just products—we strive to bring a little joy to your day. If you have any questions or concerns, our Customer Support Team is here to help:
Bike Pro Guys
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Phone: +1 (480) 800-0277
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Email: support@bikeproguys.com
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Business Hours: Monday–Friday, 9:00 AM–5:00 PM (MST)
We appreciate your patience and support. Thank you for choosing Bike Pro Guys!
Bakcou focuses on quality products that our customers love.
We've been in business for over 10 years with a commitment to excellent customer service.