












Battery 48V 15AH

Dual Motor 750W + 750W

Class II Speed limited to 20 MPH (unlockable)

Range Up to 80 Miles

UL2271/UL2849 Certified

Rider Height 5'3"–6'4"
Eunorau Defender-S eBike – 15AH Dual Motor 750W+750W
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Product Description

Built for Power. Tuned for Comfort.
The moment you engage the throttle, the Defender-S answers with instant torque and a commanding surge of acceleration. This isn’t just fast—it’s muscular. Paired with oversized fat tires and a full-suspension frame, the ride quality is remarkably smooth—especially when you dial in lower tire pressure for softer terrain. Whether you’re blasting through trails or cruising over rough pavement, the Defender-S delivers a ride that feels more like floating than rolling.
Dual Motor. Dual Suspension. Dual Battery Capable.
With up to 1500 watts of combined motor power, the Defender-S is engineered for serious off-road use. Its dual suspension and fat-tire setup provide stability across rough terrain and in challenging weather conditions. The frame is designed to handle additional weight without compromising control—making it a practical choice for backcountry travel, gear hauling, or even retrieving game in remote areas.


Rear Suspension for Trail Control
The DEFENDER-S is equipped with an EXA rear shock that enhances traction and absorbs impact across uneven terrain. Whether you're climbing, descending, or navigating technical trails, rear suspension adds confidence and comfort when the conditions get rough.
RST Suspension Fork
The RST front suspension fork smooths out rough terrain by absorbing bumps and vibration at the source. It helps reduce rider fatigue on longer routes, so you can stay focused and ride with more control—whether you're navigating trails or uneven backroads.

Free 15Ah Backup Battery Included!
Video courtesy of Eunorau
Features

Backlit LCD Display
The LCD display provides essential ride data at a glance—battery level, speed, distance, pedal assist level, and more. With waterproof connectors and a backlit screen for low-light visibility, it’s a reliable tool for staying informed and in control on every ride.

Removable Battery System
The Defender-S features a removable lithium-ion battery for easy charging and storage. Just unlock it with the included key, slide it out, and charge it wherever it’s most convenient. No need to bring the entire bike to a power outlet.

Hydraulic Disc Brakes
Equipped with hydraulic disc brakes, the Defender-S delivers strong, responsive stopping power. Whether you're riding in wet conditions or tackling steep descents, the system provides consistent braking performance you can count on.

9-Speed Drivetrain
The 9-speed freewheel offers a wide gear range for changing terrain. A larger cog makes climbing easier, while a smaller cog supports higher-speed pedaling. Paired with pedal assist, shifting feels intuitive and responsive on both hills and flats.

Aluminum Bash Guard
The integrated side bash guard shields the chainring from rocks, roots, and trail debris. It also helps keep the chain securely in place, reducing the risk of drops during rough or technical rides.

Selectable Motor Control
A handlebar-mounted switch gives you full control over the Defender-S’s dual motor system. Choose front-wheel drive, rear-wheel drive, or engage both motors simultaneously for maximum power and traction—right when you need it.

Integrated LED Headlight
The Defender-S includes a frame-mounted LED headlight powered directly by the main battery. It’s controlled from the handlebar pad and provides bright, consistent lighting for safer, more confident riding in low-light conditions.
Specs & More
Specifications
- Battery: 48V15Ah + Optional 15Ah/17Ah battery (Dual battery design)
- Range: 80+miles (48V 17Ah SAMSUNG+ Second Battery 17Ah)
- Hub Motor: 48V750W+750W BAFANG motor with 80 N.m+80 N.m torque
- Total Payload Capacity: 300 lbs / 136kg
- Recommended Rider Heights: 5'3" ~ 6'4"
- Maximum Speed: 20 MPH under speed limited/locked
- Charger: US standard 2.0 A smart charger
- Controller: 48V * 2
- Display: C3 / BC182 LCD Display
- Weight: 77 lbs
- Pedal Assist Intelligent: 0~5 level pedal assist
- Box Dimensions: (cm) 170 L x 32.5 W x 85 H
* Note: The second 17ah battery is not compatible with 17" DEFENDER S; To utilize the 17Ah second battery on the 19" DEFENDER S, it's necessary to lock out the rear shock.
Components
- Tires: KENDA sport tires 26" x 4.0"
- Brakes: Hydraulic Disc Brakes
- Brake lever: Hydraulic Brakes Lever with motor cutoff switch
- Brake Rotor: 180mm front and rear
- Rear Light: Taillight
- Shifter: SHIMANO ALIVIO 9 speed gear shift system
- Throttle: Thumb throttle
- Stem: EUNORAU TDS-D507G-8FOV
- Crank: 170mm forged alloy
- Cassette: Shimano 11-34T
- Fork: RST GUIDE 75mm travel suspension
- Shock: EXA KS582, 165mm
- Saddle: JUSTGK TTZ003 Saddle, Height to Ground 35.4"-41.3"
- Pedal: Nylon pedal with reflectors
- Frame: Aluminum alloy 6061 full suspension
- Front Light: 40 lux LED light
- Tool: Included
- Chainring: 44T aluminum chain wheel with protection
- Rims: 26 inch black alloy wheels

Videos
Video courtesy of Eunorau
Video courtesy of Eunorau
Video courtesy of Eunorau
Video courtesy of Eunorau
Video courtesy of Eunorau
Video courtesy of Eunorau