trek powerfly 5 top speed

David Harrison

Table of contents, trek powerfly 5 gen 3 review (2023).

The Trek Powerfly range comes in many guises.

The large series of Powerfly bikes include hardtail commuters, which can go bike touring and also take on the dirt, along with the Powerfly Full Suspension rides, which are geared up for more aggressive riding.

The standard Trek Powerfly hardtails stand somewhere in between, and that includes the Trek Powerfly 5, which we’re featuring in this review. Lighter and made to move speedily across multiple terrain types – from urban settings, as well as gravel trails and forest roads.

So, can the Powerfly 5 Gen 3 straddle these multiple worlds successfully? Or does it falter at the first hurdle?

Our Verdict

One of the best mixed terrain and commuter hardtails we’ve had the pleasure of riding.

Trek has created a wonderful versatile e-MTB, with long range, brilliant motor and at a very reasonable price. The bike ticks a heck of a lot of boxes and for a versatile commuter – it absolutely smashes it.

The display is the only real let down, but that’s an easy fix if you swap it out for another. Overall, it’s a real success and dare we say it – a bargain in the notoriously expensive e-MTB market.

• Ride experience
• Could offer slightly more travel in small size frames

Trek Powerfly 5 Gen 3

Price: $4,546

Weight/frame.

The Trek Powerfly 5 has a strong aluminium frame, made out of the company’s Alpha Platinum aluminium compound. It’s a sturdy old bike, capable of soaking up lots of pressure – however, it means a little extra weight, with the bike coming in at 22.94kg in a size medium frame .

You get more than 2kg of weight saving though compared to the Powerfly 5 Equipped, which has a luggage cage over the back wheel and a longer frame. That weight saving makes the bike more nimble and it certainly feels it out on the trail.

You can choose between 5 frame sizes – extra small , small , medium , large and extra large .

The geometry of all the frame sizes allows for a good level of clearance to get up and over obstacles and you get a decent planted feeling through the back wheel – good for the speed you want in a versatile commuter and trail bike.

It isn’t ultra aggressive in its layout, but you can move at a fair lick and it feels fairly light to manipulate, despite the overall weight. The bike feels well grounded and it provides a comfortable riding experience.

The Trek Powerfly 5 has a big old Bosch PowerTube battery, which can kick out 625Wh . It’s a sizable partner for the bike and gives you a large old range, which takes away any real range anxiety.

We pumped out well over 100km on one charge, without ever having to feel nervous about the amount of battery we might have left. The bike is made for long distance riding and when you couple that with the comfortable geometry, you can happily spend hours upon hours in the saddle.

When you do run out of battery you aren’t waiting all day for it to juice back up again – you can get back up to full charge from dead in around 5 hours and it takes less than half of that to get up to 50% charge.

The battery is secured neatly into the downtube of that sturdy aluminium frame and it’s simple to click in and out for charging. Hassle free all around in the battery department – something we love to see.

You have power in the bike’s name and the Trek Powerfly 5 doesn’t disappoint in the motor department. It’s paired with the excellent Bosch Performance CX motor , which throws out a chunky 85Nm of torque.

That’s enough to make light work of any climb you put in its way and the respectable overall bike weight means it dances up the hills. Despite having a lot of torque in the tank the motor doesn’t feel aggressive in its output, it works intuitively to release in a natural way and it feels measured.

There’s no upsetting lag or overshoot as you release off the assistance, so you feel in control throughout. You get 4 modes of assist – Eco , Tour , Sport and Turbo – with the Turbo offering a seriously punchy level of assist for the toughest stretches of your day’s ride.

ℹ️ You don’t need to use the Turbo mode a great deal. It’s useful for the very trickiest inclines, but if you use it too much you’ll find it sapping your battery quite quickly. Use it sparingly.

We love the Bosch Performance CX and it’s a brilliant accompaniment to this bike.

Motor Display

The Trek Powerfly 5 comes with the Bosch Purion display . It’s mounted on the handlebars and has an easy-to-use controller to flip between data.

There are pros and cons with the Purion; you get a range estimation in kilometres, which is certainly helpful while out on the trails. However, the actual percentage of battery left isn’t shown – a real oversight.

Instead, you get a series of lights which indicate a range of battery percentage left and it isn’t quite exact. Fortunately, the battery is a big old beast and you never really have to worry too much anyway, but we think an exact figure would be much better.

You can also flip between a few other data options, including speed and the distance you’ve ridden so far.

The Trek Powerfly 5 is a hardtail , so doesn’t have any rear shocks, it only has a travel at the front end. Depending on the frame size you go for will dictate how much travel you get in the forks, which are supplied by RockShox, with their Recon Silver RLs fitted.

The extra small frame comes with 80mm of travel , whilst the small, medium, large and extra large options come with 120mm of travel . This bike isn’t made for the wild drops and monster descents, so don’t expect it to – it’s made for longer distance, multi-terrain riding, on flatter land and it has a setup capable of exactly that.

The hardtail means you always have a good level of traction at the back end to pick up speed and it doesn’t bounce around. The minimal travel in forks allows you to take a few lumps and bumps, without any worry, but it isn’t made for the seriously chunky stuff.

Wheels/Tyres

The Powerfly 5 comes with varying wheel sizes depending on the frame size you choose. The extra small and small comes with 27.5in, meanwhile the medium, large and extra large come with 29inchers at both the front and the rear.

The wheels are Bontrager Kovee Comps, with Bontrager XR3 Comp tyres . They’re a sturdy pairing, which offer strength and stability, capable of long distances and feeling comfortable throughout.

You also have some toothy tyres, which can offer the traction you need for the speed you want to pick up – but you don’t feel weighed down, the tyres offer decent dirt shedding on the hard packed bits.

The Trek Powerfly 5 comes with Shimano MT4100, 4-piston hydraulic disc brakes .

These aren’t the most powerful Shimano components out there, but they offer enough stopping power for the style of riding the bike is made for – let’s be honest, this isn’t made for super-sendy drops and lines.

The Trek Powerfly 5 is fitted with a 12-speed Shimano Deore M6100 drivetrain – a solid accompaniment, which offers reliability and ease of use. Quick and smooth shifting – exactly what you want over long distances.

A fairly priced e-MTB. The Trek Powerfly has outstanding electrical components and offers a brilliant ride experience. It’s pitched fairly in the market.

Trek Powerfly 5 Gen 3 Facts & Figures

Size configurations.

* All measurements provided in cm unless otherwise stated.

* Please note – spec applies to all sizes unless listed separately

How Does it Compare?

Another challenger in the electric hardtail market is Specialized’s Turbo Tero 5.0.

Our Trek Powerfly 5 is 0.2kg heavier, so very similar, but offers a slightly smaller battery – with the Specialized coming in at 700Wh over our 625Wh.

Specialized has their custom 2.2 motor fitted, which offers 90Nm of torque – 5Nm more than our Bosch battery. However, the Bosch electrical components and their relationship between each other are superior in quality and ride experience.

The Specialized motor display is far more advanced than our Bosch Purion display – which could be fixed if Trek go for one of the other displays in Bosch’s armoury.

You get 110mm of travel on all frame sizes on the Turbo Tero 5.0, which is more consistent than the varying amounts of travel on our Trek bike – with both choosing RockShox as their partner in this department. Both setups do the trick.

Both drivetrain and brake setups also work we;, with Specialized choosing SRAM components and Trek gunning for SRAM. Price is a big factor in this comparison – the Trek Powerfly 5 comes in $1,600 cheaper – which for us puts it in pole position in this comparison.

The bikes aren’t too dissimilar, but you have a huge saving.

Final Thoughts

We’re big fans of the Trek Powerfly 5 and very impressed by its price. You don’t often get many bargains in the e-MTB world, but we think Trek has successfully managed to offer a bargain here.

It’s a big range and versatile bike, which offers an excellent ride experience and some top components, but at a fraction of the price to some of its competitors. For a bike which is designed for long distance, you want to feel comfortable up top and this bike offers it.

The electrical components are outstanding and the other aspects are solid – it’s only let down by the display. That’s an easy fix, though, by replacing the display for one of the other top Bosch displays. And in any case, it’s still by no means the worst display in the world.

A big congrats to the team at Trek – we think this is right up there among the best e-MTB hardtails for mixed terrain and commuting. Now give it a spin.

If you enjoyed this review then make sure to check out our other Trek reviews.

Trek Powerfly FS 9 Equipped Gen 2 Review (2023)

Trek Fuel EXe 9.9 XX1 AXS Review (2023)

Trek Rail 9.9 XTR Gen 3 Review (2023)

Trek Rail 9.9 XX1 AXS Gen 3 Review (2023)

+1 (918) 393 4169, [email protected].

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Trek Powerfly 5 Review

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When it comes to hardtail electric mountain bikes there’s an awful lot of choice (if they’re in stock) from the big-name manufacturers. When one of my friends called me last week to say he’d brought a Trek, I was eager to try it out. In this Trek Powerfly 5 review, I will take a closer look at the specifications and share with you my opinions after spending a couple of hours with it on Bodmin Moor .

Introduction

Trek’s mountain bike heritage goes back to 1983 when they released the 850 – fast forward 28 years and they have a comprehensive range of high-end e-MTBs ranging in price from just over £2500 to up to an eye-watering £11500.

At £3750 the Trek Powerfly 5 sits at the upper end of their hardtail range and benefits from the latest Bosch Performance Line CX motor with a 625Wh battery. The Powerfly 5 also boasts Rockshox forks and SRAM Eagle SX 12-speed drivetrain.

My friend had been talking about upgrading his Cube Acid hardtail e-MTB for some time and we’d previously discussed the merits of the Trek. He recently took the plunge and purchased the bike reviewed here.

First impressions

The first thing that struck me about the Trek Powerfly 5 was how stunning the paintwork finish is – it’s a gorgeous bike in the ‘slate/volt’ colour scheme. Mind you, you’d expect nothing short of this on an e-bike costing more than a decent second-hand car!

Although the 17″ frame was a bit on the short side for me, with the seat post properly adjusted it felt quite comfortable. My friend paid an extra £200 to have the optional Bontrager dropper seat post fitted, which is a must if you’re going to be tackling the trails.

Riding some rock-strewn single track the Trek feels sure-footed. For an older rider like me, the Powerfly 5 inspires confidence (maybe a bit too much) and is great fun to ride. Where this e-bike comes into its own is when the trail turns upwards – it’s not the first Bosch CX I’ve experienced but this motor never fails to impress me with its 85Nm of torque. Riding up steep tracks is helped even further by the trail-busting SRAM Eagle 11-50 12-speed rear cassette, meaning you never run out of gears.

Although my ride was fairly brief I was thoroughly impressed with the off-road abilities of the Trek, it’s a great all-around package suitable for beginners, intermediate or the older more experienced cyclist who’s returning to mountain biking after a long break. Below I will go into more detail on the components.

Check out the 2023 Powerfly 5 from Trek

Electric components

The high-end mountain bike world is dominated by either the Bosch CX or Shimano Steps E8000 / EP8 of Brose motors. It’s good that manufacturers recognised the demand for a greater battery range and the Trek Powerfly 5 comes with the Bosch 625Wh power tube battery which is neatly integrated into the frame.

Bosch Performance Line CX

The Bosch Performance Line CX motor benefits from several upgrades over the previous model, most notably the 85Nm torque output offering the rider up to 340% assistance.

There’s the new Extended Boost mode which makes negotiating rocks and exposed roots on the trail much easier, particularly uphill. This means the bike can be manoeuvred with greater agility on technical sections.

Revised e-MTB mode – This ensures the rider is well-prepared for whatever situation the trail has in store. New sensor and motor control functions give mountain bikers a much wider range of dynamic and natural support.

The Bosch motor is smooth and the whine from the motor is quiet and not intrusive. Performance is as good as you will find on a road-legal e-MTB and it adds a whole new dimension of fun when riding off-road.

625Wh Powertube battery

I first rode an e-bike with a 625Wh battery at the end of 2019 and having the extra capacity will ensure riders can spend more time enjoying the trails. The range will depend on lots of different variables but 50 miles should be achievable when riding off-road – check out the Bosch range calculator for a rough estimate of battery range from the 625Wh battery.

Bike components

Quality components are a must on electric mountain bikes at this price point and the Trek Powerfly 5 doesn’t disappoint. I have gone into more detail on the specification below.

The gearing is comprised of an SRAM Eagle single-click 12-speed shifter with an NX Eagle rear derailleur and 11-50 cassette – as the Bosch uses an ISIS-type crank interface, an SRAM X1 crankset is fitted. The drivetrain is finished off with a high-quality SRAM SX Eagle chain.

Braking is provided by the excellent Shimano MT-420 4-pot calipers with 203mm brake rotors – as expected these brakes work well and will provide more than enough stopping power for most riders. I found them to be excellent, and you only need to use one finger for braking.

If found the 120mm Rockshox Recon RL suspension forks worked very well indeed. Although they are at the lower end of Rockshox forks they feature trickle-down technology from more expensive forks and feature Motion Control™ damping which features low-speed compression adjustment to lockout.

Wheels and tyres

The wheelset is a disc-specific Bontrager Kovee Comp 23 with Boost 110, 15 mm thru axle at the front and a Boost 148, 12 mm thru axle at the rear. Tyres are Bontrager XR3 Comp, wire bead, 30 tpi, 29×2.30″ which seemed to handle the damp moorland trails very well. If you wish to upgrade to a tubeless set-up these wheels are tubeless-ready. The hub is a standard 9/10 speed Shimano freehub.

Frame and finishing kit

For the frame Trek use their Alpha Platinum Aluminium which is their premium lightweight aluminium designed for maximum strength and minimum weight. As I’ve mentioned above the finish is exquisite and looks incredibly hard to wear.  The frame also benefits from internal routing for lights (should you choose to fit them) and a direct kickstand mount.

All of the finishing kits are all by Trek’s in-house brand Bontrager which is of excellent quality. This bike also had the optional Bontrager Line Dropper seat post fitted which costs an additional £199.99.

If I was in the market for a capable hardtail electric mountain bike I’d be very tempted by the Trek Powerfly 5. It’s great fun to ride and feels very capable on a rough single track – the handling inspires confidence and that Bosch motor is the icing on the cake!

There are cheaper options available and if you’re new to electric mountain biking you may not want to spend quite so much on your first purchase.

Having said that, if I had the money to spend on a nice hardtail e-MTB the Trek would certainly be on my shortlist. Other plus points are the excellent brakes, SRAM 1 x 12 gearing and the 625Wh battery.

My friend has brought this e-bike with the intention of keeping it for a good few years and I’ll post any relevant updates here.

Thanks for reading and if you have any questions or comments please leave them below.

Meet Tony, a passionate e-bike advocate and enthusiast who discovered the life-changing benefits of electric bikes back in 2016. Tony’s technical experience within the e-bike field was gained while running a successful electric bike conversion business for 5 years in his home county of Cornwall, UK.

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Thanks for the review, even though I discovered this after buying my Powerfly 5, I still found it useful and relatable. I picked mine up in November and have given it a good testing over the winter months – what a brilliant bike! Even though I could have spent less for a Cube reaction, which I almost did. I’m glad I spent more on this. The only issues I have encountered are tyre pressures since going tubeless, but I think that’s more the tape inside rather than the rims thenself.

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Trek Powerfly

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Summary of Reviews

We have read all expert and user reviews on the Trek Powerfly . In summary, this is what cyclists think.

15 reasons to buy

• Owners reported an impressive range of up to 80mi and 7000ft of elevation.
• A 71yo owner easily handled a daily climb of 500ft, on a 25% grade driveway.
• A desert resident said the Powerfly rode easily, through soft sand.
• Tektro hydraulic brakes were deemed responsive and “pulled hard”.
• The 5’s fit and finish was described as “beautiful and rugged”.
• ‘Touring’ mode was great on roads, while ‘eMTB’ mode was excellent in the woods.
• A removable battery made it easy to mount the powerfly on vehicle racks.
• Powerfly drivetrains pedaled smoothly on the flats, despite the bike’s weight.
• The Bosch Performance CX motor exhibited plenty of torque on climbs.
• One owner cooed over the Powerfly 4’s metallic red paintwork.
• The Powerfly 7’s TransX dropper-post made mounting and dismounting easy.
• Overweight riders found the Powerfly’s carrying capacity to be more than ample.
• One reviewer found that the Powerfly 4’s 100mm of fork-travel covered needs.
• Shifting, range and gear spacing were lauded on the Powerfly 5’s drivetrain.
• Some reviewers felt that the weight of the bike aided stability.

7 reasons not to buy

• The Powerfly was heavy, and onerous to pedal up hills without assistance.
• Some owners would have liked to be able to easily add a second battery.
• The Powerfly’s high-level component spec made it a pricey option.
• Some owners felt that the Powerfly’s paintwork was easily chipped.
• One daily user reported delayed engagement of the power assist in snowy areas.
• Schwalbe Smart Sam tires punctured easily, on the ‘Sport 4 Equipped’.
• Some owners sought a way to lock the motor without removing the battery.

Bottom line

Expert reviews, trek powerfly 5.

The Trek battery holds a good charge… I reckon there’s enough power to last 60 to 80 miles if you’re careful.

Trek Powerfly 4 on Exmoor Review

…outstanding fun with steep descents and river crossings followed by challenging climbs which the Powerfly managed with such ease! …I was surprised at the sub-20-mile range I achieved on this test-ride…

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Trek Powerfly 5

• AUS $ NZD $ USD $ CAD $ GBP £ EUR €

Colour / Matte Trek Black/Roarange

Size / 15.5, 17.5, 19, 21"

At a glance

Where to buy.

Specifications

• Frame Alpha Platinum Aluminum, E2 tapered head tube, internal derailleur routing, Balanced Geometry
• Wheels Shimano TX-505 front hub; Shimano M3050 centerlock rear hub; Bontrager XR850 36-hole 28mm wide double-walled rims
• Wheel Size 29"
• Tires Bontrager XR3, 29x2.30"
• Crank RIDE+ aluminum 15T w/chainguard
• Rear Derailleur Shimano Alivio M430
• Shifters Shimano Altus M370, 9 speed
• Brakeset Shimano M315 hydraulic disc, 180mm rotors
• Handlebar Bontrager alloy, 31.8mm, 15mm rise
• Saddle Bontrager Evoke 1.5
• Seatpost Bontrager SSR, 2-bolt head, 31.6mm, 12mm offset
• Stem Bontrager alloy, 31.8mm, 7mm rise, Blendr compatible
• Headset Integrated, cartridge bearing, sealed, 1-1/8" top, 1.5" bottom

Q: What size wheels does the 2017 Trek Powerfly 5 have?

The 2017 Trek Powerfly 5 has 29" wheels.

Q: What size 2017 Trek Powerfly 5 should I get?

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• Rider Notes

2018 Trek Powerfly 5 FS

A 27.5″ aluminum frame full suspension trail e-bike with upper mid-range components. Compare the full range

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Based on frame geometry and build specs.

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Powerfly 5 FS

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Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes. Report your fit

Oct 2018 · Alan Muldoon

Up hill or down, ebikes take an absolute beating, so the new Trek Powerfly 9 has a beefed up the parts package to handle the additional abuse.

Suspension, brakes and tyres are all on point. New battery layout is neat and easy to use.

Could have more generous reach measurements and shorter stems on all sizes.

Read Review

Jul 2018 · Chili Dog

First Ride Trek Launches the New Powerfly The Next Evolution Words by Chili Dog | Photos by Margus Riga & Chili Dog Whether you’re aware of it or not, we are in a very special time period. Our sport rarely sees massive

Built on the bones of the legendary Fuel series, the Trek Powerfly 7 FS is the top-of-the-line e-bike for Trek in Australia. It's got great pedigree, but we didn't love every aspect of its performance

Top notch build quality.

Frame feels indestructible.

Great rear suspension.

Torquey motor with plenty of range.

Will climb anything you point it at.

RockShox Recon fork isn't up to scratch.

Long rear end makes for sedate feel.

The Trek line of e-bikes continuous to evolve with better integration and better components for the mountain bike experience. - Mtbr.com

Jun 2017 · Oli Woodman

An exceptionally capable package which will take you further and faster without the need for a lift pass. Buy if you’d like to scale climbs almost as quickly as descents and aren’t afraid to be a little different

Long wheelbase makes for almost absurd stability, superb mechanical grip from well-matched and supportive suspension, Drivetrain and motor play very well together, components list features plenty of excellent e-bike specific parts

Flimsy tyres are at odds with the rest of the bike, New ‘e-mtb’ power mode perhaps a little too keen for some

Price: $4999.00 | Model Year: 2017 A full suspension trail bike from one of the

A full suspension trail bike from one of the "big three" brands in the US, it offers 130 mm travel with custom tuning for the added weight and power of the bike, excellent weight distribution

Quick-release wheels, removable battery, and removable display make the bike flexible and easy to transport or charge, integrated Micro-USB charging port on the display panel to top your phone or GPS

Innovative adjustable length seat stays, knock-block steering with failsafe rubber guard and longer axles showcase how Trek is pushing bike technology forward, sturdy skid plate and minimalist guide

A bit heavier than expected at ~50.1 lbs, no bottle cage bosses, the Bosch CX drive system produces a bit more noise but offers excellent torque, battery is not as hidden or integrated as some competing models

Apr 2017 · Sean White

The Trek Powerfly is a very well sorted package and was one of the first e-bikes to win us over.

Aug 2016 · Taylor Rojek

Trek's pedal-assist mountain bike is wildly popular in Europe—and it just made the leap to the US

Last updated February 15 Not listed for 2,256 days