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 The Editors of Motorcyclist Magazine; Stein, John

Haro has fully embraced the electric mountain bike market and offers everything from the most complete, full suspension Shift Plus i / O 9 to this bike, the Double Peak I / O. Although this is apparently a full suspension bike. Entry level, it offers a lot of versatility as a fun cross country bike that could also be a lot of fun and more.



The Double Peak I / O features a rigid aluminum frame with a tapered head tube and a diamond shape. The SunTour XCM34 Boost fork offers 100mm of travel and a 15mm thru-axle. A reasonably relaxed 69-degree head tube is pretty forgiving. The frame size is made to fit anyone from 5ft 1 to over 6ft 3, and there is a chart on their website for the size. We always recommend going to a shop and being well equipped, as that will ensure a better driving experience.

However, the keyboard for changing power levels is small in comparison.
Unlike most mountain bikes, the Haro comes standard with a kickstand bolted to the rear of the chainstay. Of course, riders can take it off with a hex wrench, but we had no problem getting it to show up even on some bigger drops.


Although this is an inexpensive bike, it has many amenities. Contact points include a WTB Volt Sport Wide saddle and WTB Weirwolf grips. Shimano components abound, including the Shimano Deore rear derailleur and a 10-speed RapidFire + shifter. Haro opted for a KMC e-specific chain for added durability. The Shimano 170mm cranks are short, but help slow down off-road pedal hits.


This Shimano screen is very different from the E8000. It is huge but provides a lot of information.
Shimano MT-201 hydraulic disc brakes provide stopping power with 180mm front and 160mm rear rotors. Kenda Honey Badger tires have less aggressive knobs that offer lower rolling resistance when on the road, but we found them off road with a lot of grip. Weinmann U-32 tires are tubeless ready.


This is the first bike we have owned with the Shimano STePS E6100 motor. It is a smaller and lighter motor than the E8000 that we have enjoyed on many bikes. At 6.35 pounds, it’s lightweight and is paired with specially designed Shimano crankarms that offer a very narrow Q-factor. The unit is weather-sealed, 20 percent more efficient than the E6000, and features 60 N / m of torque.

The new Shimano STePS E6100 motor has a nice little form factor that offers a narrow Q factor.
For this bike, Haro chose the E8000 battery which offers 504 Wh for extra range compared to the E418 6000 Wh battery. It has a claimed range of up to 105 miles. There is no spec showing what your conditions are, other than just using Eco mode.

“This bike is as much at home as it is on the road.”
The screen looks nothing like the tiny one that comes with an E8000. It is the size of a small smartphone and is a monochrome LCD screen that can display a good amount of information on the screen. Features include speed, distance, travel time, clock, estimated range based on power mode, battery level, and more.

Kenda’s Honey Badger tires have decent sized knobs that provide a lot of traction and lower rolling resistance.
It mounts on the stem and is compatible with the e-Tube app to allow some customization of power settings. You can also pair it, via ANT or Bluetooth, with your smartphone or a third-party display, such as Garmin
or Sigma


The Double Peak is aimed at beginner and intermediate riders who don’t need or want full suspension. It’s a great bike for riding dirt trails in the hills and even single tracks, or even as a fun commute that’s very capable of getting off the road on your way home.


This bike is as comfortable on the road as it is off. We ride on a variety of surfaces, on bike paths and bike trails, on fire trails and individual tracks. It’s comfortable, and even with the lack of rear suspension and the smaller 2.2-inch tires that defy the trend for plus size tires on the market today, it’s a fun ride that inspires confidence.

The E6100 responds well to pedaling out of the saddle with enough torque that it is better than some of the more powerful motors on the market. The gear range didn’t allow enough for really steep climbs, at least without hitting the top power level. There are three power levels, Eco, Normal and High. It’s an interesting departure from the E8000’s Eco, Trail, and Boost. There is a definite difference, especially comparing Boost to High. We’ve always found Boost so powerful that we hardly ever use it, only on the steepest steep hills. The high mode of the E6100 is much more usable.

The head angle is forgiving, and the Suntour XCM100 fork’s 34mm stroke does a good job of absorbing shock.
One of our test pilots was fascinated by the information available through the display and that the ability to see the range based on all three power levels on a single screen was a really nice feature. It allows you to plan accordingly for the rest of your trip, on the go.

The SunTour fork, even for a basic model, was solid. The preload knob really worked, and the locking knob functionality was more robust than expected. As it is marked clockwise towards lockdown, it slightly increases the compression so that you can stiffen the travel to make the fork more progressive with minute adjustment through rotating the knob to full lockout. And, the lockout will provide a little shock so you still have some suspension when you hit an unexpected bump – a nice feature for off-roading.


The geometry actually felt nice and compact, which was more encouraging for recreational-level riders. Long top tubes and short chainstays are more for aggressive riders. Standing upright on the Double Peak felt natural for its intended purpose.

The smaller and lighter engine helps keep the weight down, as does the lack of rear suspension. The bike is easy to maneuver and the head tube angle is a bit sharper than most e-MTBs we ride in the 65-67 degree range. The tires never skidded on any surface, and Haro’s pick of the Honey Badgers was definitely a good one.

A 1 × 10 Shimano Deore system offers a range of 11-42T that helps you climb all but the steepest hills.

This bike wins both in price and performance. A reliable well-performing branded e-MTB for $ 2,700? It’s a good deal. The E6100 engine packs a lot of power, the tires were better than we expected, and the external battery is fine in the age of built-in rack batteries. It is a beautiful bike that works well.



Price: $ 2699.99

Motor: Shimano STePS E6100 intermediate unit, 250W, 60N / m

Battery: Shimano STePS E8000 503 Wh battery

Charging time: 4.5 hours

Top speed: 20 mph (with assistance)

Range: 20–45 miles

Drive: Shimano Deore 10 speed, 11-42T cassette, Shadow Plus derailleur

Brakes: Shimano MT-201 hydraulic disc, 180mm / 160mm rotors

Controles: Shimano STePS E6100

fork: SunTour XCM-34 Boost fork , 100mm travel

Frame: DP Comp I / O X6 Alloy Frame, Tapered Head Tube

neumáticos: 27.5 “x 2.2” Kenda Honey Badger XC Sport

Weight: 46.13 lb. (medium)

Choice Color: Black / Neon Red

Sizes: 14.5, 16, 18, 20, 22

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