DS-2603 1000W Bafang Ultra Mid-Drive Fat Tire E-Bike

Model No.: DS-2603
Frame: Aluminum alloy frame
Brake / Speed Gear: SHIMANO 9 speed Hydraulic Disc Brake
Middle Motor: 250W / 500W / 750W Optional
Battery: 36V / 10Ah Samsung Cells (21700 Type)
Mileage: 35–45 KM
Max Speed: 35 KM/H
Max Load Weight: 150 KG / 330 lbs
Charge Time: 4–5 Hours
Display: LCD
Tire: 26’’
Fork: Aluminum alloy front fork
Product Size: 169 × 63 × 101 CM

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The Definitive 1000W Mid-Drive Platform

Engineered for brands that demand raw power. The DS-2603 combines the torque of the Bafang Ultra System with the all-terrain capability of fat tires, making it the top choice for Hunting, Adventure Rentals, and Heavy-Duty OEM projects.

160Nm Torque Power

Unlike hub motors, the Bafang Mid-Drive leverages gears to climb 35° slopes effortlessly. Essential for heavy riders.

Zero-Maintenance Design

Reinforced 6061 frame (150kg load) + sealed gearing + Samsung UL battery. Built to reduce after-sales costs.

Hunting & Off-Road Ready

Silent motor and 4.0" fat tires make it perfect for stealthy hunting trips or navigating soft sand and snow.

Technical Deep Dive

Why the DS-2603 outperforms standard e-bikes.

Bafang Mid-Drive System The Heart

Positioned at the bottom bracket for superior balance. Intelligent Sensing: Dual torque sensors deliver power precisely when needed.

Wattage Options: Available in 750W (Street Legal) or unlocked 1000W versions for private land use.

Samsung Power Cell The Stamina

We strictly use Samsung 21700 automotive-grade cells for high discharge rates without overheating.

Range: Achieve 35-50km on throttle or 60-80km with PAS. Removable and lockable design.

Ideal Business Applications

Hunting E-Bike Brands

Quiet motor, high torque for trailers, and matte colors make it the perfect base for hunting brands.

Adventure Rentals

Fat tires allow operation on beaches and snow, extending your business season to 12 months.

Utility & Delivery

With a 330lbs (150kg) payload, it serves as an agile delivery vehicle for urban or farm use.

Full OEM Customization Available

Custom Color
Water-Transfer Logo
Custom Packaging
Speed Limit Setup

OEM & Business

What is the Minimum Order Quantity (MOQ)?

For basic logo customization (decals), the MOQ is 10 units. For full frame color customization, we require a minimum of 50 units. For the best wholesale price, we recommend a 20ft container (approx 60 units).

Do you support drop-shipping?

Yes. We can ship directly from our factory or overseas warehouses. Please contact our sales team for current inventory.

Can I order a sample?

Absolutely. Samples can be shipped via air freight. The sample fee is fully refundable on bulk orders over 50 units.

Technical Specs

Is the 1000W motor legal for street use?

In the US, 750W is common (Class 2/3). In the EU, it's 250W. We can factory-limit the DS-2603 to comply with UL 2849 Standards or local laws.

What is the difference between Torque and Cadence Sensors?

The DS-2603 uses a superior Torque Sensor which measures your pedal effort. This provides a natural feel compared to jerky cadence sensors. Learn more in our e-bike technology blog.

Can I upgrade the battery?

Yes. We can upgrade to a 48V 20Ah or 25Ah configuration for OEM orders.

Shipping & Warranty

What is the warranty policy?

We offer a 2-Year Warranty on the Bafang Motor/Frame, and 1-Year on Battery/Controller. We also provide 2% free spare parts with every container.

How is the bike packaged?

We use ISTA 2A standard packaging (7-layer carton + thick foam) to ensure safety during logistics.

POLEEJIEK After-Sales Service Promise

Reliable warranty, spare parts support, and fast technical assistance for our global B2B partners.

1-Year Comprehensive Warranty

Enjoy peace of mind with a 1-year warranty covering motor, battery, frame, controller, and display.

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Ready-to-Ship Complete Bikes

We maintain strong inventory of complete ebikes in China, ready for fast international delivery. Warranty-related spare parts are provided as needed.

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Priority Technical Support

Our experienced engineers provide remote diagnostics, video assistance, and maintenance guidance for your service teams.

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Fast Claims Processing

We review warranty claims within 24–48 hours and typically ship replacement parts within 3–5 business days.

Our Service Process

  1. Submit your request via Contact Page or email our support team.
  2. Receive troubleshooting guidance and solution advice.
  3. We ship replacement parts or assist with local repair procedures.

For any after-sales inquiries, please email us at support@moyoebikes.com or contact us below:

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