Electric bike full suspension EUNORAU Defender S 1500 W


I do e-bike many. Some days it’s a light road electric bike. Other days it’s a long tail cargo electric bike. And some days it’s a ridiculously overpowered big-tire full-suspension e-bike. And as you might have guessed, I’ve spent a lot of days like these lately reviewing the EUNORAU Defender S Electric Bike.

I’m almost running out of descriptors here: “1500W All-Wheel Drive Fat Tire Electric Bike with Full Suspension.” “

That’s a lot of adjectives. But then again, that’s a lot of cycling.

Some might even say it’s too much cycling. But these people don’t realize how much fun an electric bike like this can be, when used responsibly.

Check out my video below to see the EUNORAU Defender S in action, then read on for my thoughts on this epic monstrosity of an electric adventure bike.

EUNORAU Defender S Video Review

Technical specifications EUNORAU Defender S

  • Motor: 2x 750W gear hub motors
  • Top speed: 45 km / h (28 mph) as tested
  • Vary: Claimed 65 km (40 mi) by battery, actually less
  • Drums: 48V 17Ah (816 Wh) plus option for second battery
  • Weight: 35 kg (77 lbs)
  • Front suspension: 75mm travel RST guide fork with preload adjustment and lockout
  • Rear suspension: DNM A0-42RC, 165 mm stroke
  • Brakes: Tektro hydraulic disc brakes with 180mm rotors
  • Supplements: Color LCD display with speedometer, battery gauge, PAS level indicator, odometer, trip odometer, 5-speed PAS settings, thumb throttle, Shimano Alivio 9-speed shifter and Shimano Altus derailleur

Moooooore power!

The first thing you will notice about this electric bike is the horsepower and torque.

The moment you step on the accelerator, it just flies away. I get front wheel burnouts even when I don’t want to, despite being a fairly light rider.

In fact, as fun as Mad Power is, I would say it’s almost too strong. Some dual motor electric bikes have a switch to allow single motor operation or to switch the power to Eco mode. The EUNORAU Defender S has none of these elements, so it is always on power. In practice, extreme power is only a problem on dead starts when it knocks you forward. Once you get around the power is still palpable, but at least it’s more controllable.

I should also note that it is about the operation of the accelerator. If you use pedal assist, takeoff is much smoother. It feels like they programmed a boost for pedal assist, but just left the sliders set to 100 for throttle control. You get used to it, but damn it, these first starts are a little crazy.

I should also briefly touch on responsible driving here. Heavy and powerful e-bikes like these require more consideration than light and agile e-mountain bikes. If you take mixed-use trails that allow e-bikes, don’t go flying around blind turns and in a group of hikers. I did most of my driving on a double wide open track and basically treated the bike like a two wheel Jeep for land style adventure riding. There is a time and place for everything, so ride responsibly. End of the diatribe.

Where were we? Ah okay, the power. This high power is ideal for two things: speed and climbing.

The specifications on the website say the top speed is 35 mph. I’ve never seen north of 28mph, but there might be a secret unlock code they never shared with me. Even so, at 28 mph, the roar of the tires is enough to give you a truly thrilling ride. I’m not sure I even want to take this thing up to 35mph, although at least it has decent double-piston hydraulic disc brakes on big rotors to bring it down to realistic speeds.

Super cushy ride

The combination of big tires and full suspension means you’re riding on the bike equivalent of a memory foam mattress, especially when you’re lowering tire pressure. The journey is damn cushy.

Neither shocks are very high-end, but they both work well and give you the confidence to roll up a 3-inch limb on the ground at full speed or jump on a whim.

The only downside to these giant tires is that they aren’t as graceful as you might expect. This is a tank from an electric bike, and it certainly won’t turn on a dime. It’s decently responsive, but “nimble” isn’t a word I would use to describe it.

Several sizes, several batteries

The bike is available in 17 and 19 inch frame sizes designed to fit the shortest and tallest riders across the range spectrum.

There are also several battery options available, with a single 48V 17Ah battery mounted in the down tube or a second battery of the same capacity stacked on top.

I tested the single battery version, and although the bike had a lot of power, it didn’t last long. It’s one of those e-bikes that’s been around for a while, not long.

Doubling the battery would not only give you more driving time, but also prevent voltage sag, resulting in lower voltage due to the high discharge current required by two 750W motors running from one. single battery.

When fully charged, the bike worked fine, but when I got down to 30% battery, the speedometer suddenly dropped to 0% when I hit the throttle, although I could still keep riding. This is a telltale sag in voltage, indicating that the motors are drawing more power than the battery wants to provide.

At $ 2,799, this bike is a tough sell for the single battery version. Sure, it’s a lot of fun to drive, but it’s an expensive ticket to hit. The dual battery version at $ 3,299 is an even bigger order, although there is a dual battery version with a second 14Ah battery for $ 100 less.

I understand that the suspension adds to the price, but it still seems pretty high.

Even so, I can’t deny how fun the electric bike is to ride. So if you have the money EUNORAU has the bike. And it’s a ton of fun, even if it’s an expensive ride to get there.

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