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Merida eScultura 400 2021



Great ride quality mated to an efficient power plant, but the handling might not be sharp enough for faster riders
Loads of attachment points
X35+ motor system is so easy to use
Good battery range
Comfortable ride quality
Weight can affect handling
Front end geometry is too relaxed for some

At every product is thoroughly tested for as long as it takes to get a proper insight into how well it works. Our reviewers are experienced cyclists that we trust to be objective. While we strive to ensure that opinions expressed are backed up by facts, reviews are by their nature an informed opinion, not a definitive verdict. We don't intentionally try to break anything (except locks) but we do try to look for weak points in any design. The overall score is not just an average of the other scores: it reflects both a product's function and value – with value determined by how a product compares with items of similar spec, quality, and price.

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Merida has entered the road e-bike world with this new eScultura 400, and while it's a little more relaxed than the acoustic Scultura it sits alongside, it is still very much a bike that likes to be ridden with a bit of spirit, while allowing you to chill out a bit on the climbs. It's not the lightest, though, and that can hinder you a touch when you find yourself just above the assistance speed limit.

To ‘E’ or not to ‘E’

We've all heard about the boom in e-bike sales, and while most of those are going to be bikes more suited to urban environments, that hasn't stopped some of the big road brands getting in on the action. Which is a great thing.

We've said plenty of times in other e-bike reviews that riding one isn't cheating. Looking back at the data post-ride, what I've found is that my average heart rate for the overall ride is where it would be on a motorless bike – because I'm saving so much energy on the steep climbs (my HR can drop by around 60-70bpm) I can push much harder on the flats.

On average I'd say the Merida would give me an increase of 1.5 to 3mph average speed against a standard road bike in similar conditions.

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Basically, if you're a fast, powerful rider, you won't lose out when it comes to how hard your training session is. Or if you are the type of rider who is considering electrical assistance because of advancing years or injury but don't want to give up the fast road bike, you can really exploit the extra power and carry on doing what you love.

So, that's the performance e-bike thing summarised, let's get on with how the eScultura 400 behaves.


I'm a big fan of the Scultura, having ridden plenty over the years, most recently the rim-braked model and the very lovely 7000-E from Merida's Scultura Endurance range.

What I like about them is the balanced geometry, which gives handling that is spirited enough for those of us who like to take a few chances on a fast, technical descent without alienating those who aren't the most confident of bike handlers.

I'm afraid to say, the eScultura has lost a bit of that down to very different geometry.

The head angle is just 70.5 degrees on this size, compared with 73 degrees on the normal Scultura, and the e-bike has a taller head tube, greater fork length and a much longer wheelbase.

It feels very relaxed, though this is only really highlighted at speed when going through the bends. On twisty downhills, the front end can feel a little vague and ponderous, not helped by the 13.47kg weight (much of it focused in the rear wheel) feeling like it is trying to push you through the corner. It takes a bit of adjusting to, and can catch you out if you're not thinking about it.

2021 Merida eScultura 400 - riding 2.jpg

Thankfully, the eScultura offers a good level of feedback through its aluminium alloy frame and carbon fork. It lets you know what is going on, which means you can scrub off some speed before you disappear over the bank as you've run wide and missed the apex.

It's not a bad handling bike, just not quite as 'on it' as I was hoping for – after all, it's still a road bike, so I was expecting a bit more precision, like the acoustic Scultura.

High-speed descents aside, though, the eScultura is a very pleasant bike to ride.

2021 Merida eScultura 400 - riding 3.jpg

Merida's designers have a knack of delivering a decent ride quality from their aluminium frames and that hasn't changed here, helped by the fact that the eScultura can take some fairly wide rubber, and coming with 32mm as standard.

2021 Merida eScultura 400 - clearance.jpg

It's definitely a grand tourer, allowing you to cover plenty of miles in plenty of comfort, and should you want to get the power down on a flat section the steep 75-degree seat angle gives you a forward seating position to help you get the most out of your muscles.

Revisiting the weight for a moment... In the UK the motor has to cut out at 25kph (15.5mph), and when riding something like the super-bling Scott Addict eRoad Premium, that really isn't an issue.

Without the included booster battery and just using the same battery/motor setup as the Scultura, it weighed just 10.75kg, so the motor only really kicked in on the steepest of hills.

If I was on a long, steady rise, for instance, and doing 16-17mph, say, it was no big deal just pushing on and letting my legs do the work. On the eScultura, though, carry a bit of speed into the hill and the weight is soon noticeable; in places where I'd normally be travelling at over the ebike speed limit on a normal bike, it became more pleasurable to drop back low enough for the motor to kick back in.

This actually makes the eScultura less efficient at times – you are going slower and using the battery more.

How far can you go?

Well, who knows? Mahle claims you are looking at around 75km (46 miles) but it all comes down to terrain, conditions and how you use the motor's power levels.

My personal experience is that on one of my favourite testing loops of just over 50 miles and 880m of climbing, I'd be using around 50 per cent of the battery life, and that's while playing around with the modes.

A 30-mile, reasonably flat route and I'd barely be knocking 10 per cent off, as I just wasn't using the motor because my speed was always above the limiter.

2021 Merida eScultura 400 - riding 4.jpg

It's worth noting that the Mahle motor doesn't give any noticeable resistance when the motor isn't being used, it just feels like you are riding a standard road bike.

Dave's been riding the similarly specced Cannondale Supersix Evo Neo 3, and you can watch the video here to get a glimpse of battery life on his 300km trip from Bath to Colchester.

The power plant

There are a fair few motor systems available now, but the Mahle Ebikemotion X35+ seems to be the go-to option for many of the road bikes we've seen.

I like it for its smooth operation. It doesn't have the power to give you a surge off the line like some crank-based motors, the rear hub option here just gives you a gentle nudge off the line, like a cycling buddy resting a hand on your back during a group ride.

2021 Merida eScultura 400 - rear hub 1.jpg

You are still getting a 40Nm boost from the 250 watt-hour battery/motor combination, so pulling away from the lights seated will still see you easily maintain your position in traffic if you're in a built-up area.

As your speed changes you never really feel the motor kicking in or out, which is good – it's a very subtle transition.

It's so easy to use, too. The iWOC control button on the top tube turns the motor on/off and allows you to scroll through the three power modes with ease while riding.

2021 Merida eScultura 400 - top tube button 1.jpg

The LED-lit button tells you what mode you are in, and also shows battery life. Bluetooth connectivity is sorted so you can see precise data on the app and record rides if you wish.

The whole system weighs just 3.5kg and is so well designed you can barely tell the eScultura is an e-bike at all unless you get really close.

2021 Merida eScultura 400 - front.jpg

The battery sits inside the down tube while the charging port sits at the seat tube junction, with all wiring running internally, and there is the option of adding a range-extender bottle cage battery.

2021 Merida eScultura 400 - charging port open.jpg

Frame and fork

The eScultura frame has been beefed up over the standard model because of the extra torque being put through the rear end thanks to the motor, but it's all well hidden by the deep red paint job.

2021 Merida eScultura 400 - rear.jpg

Probably the biggest boon is the massive tyre clearance, which at 45mm on 700C or 47mm on 650B wheels puts this thing in gravel bike territory, somewhere that slacker geometry could come into play if you want to take to some gentle byways or canal paths.

2021 Merida eScultura 400 - seat stays.jpg

Even if you fit mudguards that maximum tyre size only drops to 42mm on 700C wheels.

It's a good looking frame all told, and follows the common theme of having a sloping top tube to increase the amount of exposed seatpost to promote a bit of flex, and keeping the tubes on the top half of the frame slender for added comfort.

2021 Merida eScultura 400 - seat tube.jpg

The lower half of the frame is chunkier for stiffness, while the head tube is 1 1/2in diameter to cope with braking and steering stresses.

2021 Merida eScultura 400 - head tube.jpg

There are mounts aplenty for bottle cages – five positions overall.

2021 Merida eScultura 400 - bosses 4.jpg
2021 Merida eScultura 400 - down tube.jpg

The full-carbon Mission CX CF3 fork offers plenty of stiffness to deal with the heavy braking loads without bringing any harshness to the front end.

2021 Merida eScultura 400 - fork.jpg

The bike comes in five sizes, ranging from XS through to XL, which have top tubes of 525mm and 585mm respectively.

When it comes to the geometry, this medium model has a top tube length of 555mm, head tube of 175mm and a seat tube length of 510mm.

2021 Merida eScultura 400.jpg

The chainstays are a lengthy 431mm, with the wheelbase coming in at 1,055mm.

All of this leads to stack and reach figures of 597mm and 395mm.

Finishing kit

The eScultura 400 is based around a Shimano 105 groupset with a 50/34-tooth chainset and an 11-32T cassette.

2021 Merida eScultura 400 - drive train.jpg

It's a cracking groupset that delivers on performance when it comes to braking and shifting, and suits the no-nonsense style of the Merida's frame.

2021 Merida eScultura 400 - rear disc brake.jpg

It's a decent spread of gears that works well with the assistance of the battery for all sorts of terrain.

As for the rest of the kit, it's all Merida-branded aluminium components and it does the job it needs to without really screaming out for any upgrades from a performance or comfort point of view.

2021 Merida eScultura 400 - drop bar and lever.jpg

The handlebar has a shallow drop that'll work for riders of all shapes and flexibility levels, while the stem is a touch shorter than you'd find on many bikes of this size.

2021 Merida eScultura 400 - stem.jpg

The seatpost is nothing flash but is easily adjusted, and the saddle offers decent levels of comfort.

2021 Merida eScultura 400 - saddle.jpg

Wheels and tyres

The wheels are Merida's Expert SL rims, which measure 17mm internally so not exactly up with the latest trend of wide rims that are better suited to bigger tyres.

2021 Merida eScultura 400 - rim.jpg

That said, they certainly seemed robust enough during the test period. Obviously, they are going to be difficult to upgrade because of the motor being in the rear hub, but there is no real reason to.

2021 Merida eScultura 400 - rear hub 2.jpg

Tyre-wise, we're looking at Maxxis Pursuer front and rear. Grip levels are fine, and the rolling resistance isn't bad either. They're reliable rather than sporty, and though I never really found them to hold the eScultura back, if you want a faster ride and a little more feedback then I'd definitely upgrade to something a little more sprightly.

2021 Merida eScultura 400 - tyre.jpg


The eScultura 400 is the only model in the range, and it'll set you back £3,000.

That's pretty much the same as the Ribble Endurance SLe with a similar build and motor system (£2,999). The Ribble gets a carbon fibre frame, though, which is a big step up from the alloy of the Merida.

> Read more e-bike reviews on ebiketips

Canyon offers its Endurace:ON 7.0 for £2,999 as well, and it too has an aluminium frame, although a different motor system, using the Fazua Evation which is based around the bottom bracket area.

It dishes out a bit more torque at 60Nm but is about a kilo heavier, resulting in an overall weight of over 15kg, which Jack found to be a hinderance when he reviewed it. It also comes with 1x gearing, which brings its own limitations on the road.

> Buyer’s Guide: 18 of the best 2021 electric road bikes

The Boardman ADV 8.9e uses the same motor system as the Canyon and also comes with a 1x groupset, SRAM Apex 1 in this case, and will set you back £2,699.


The eScultura has lost some of the characteristics of the analogue Scultura when it comes to handling and weight, and that just takes the shine off for me. It feels a little watered down and I think that's a bit of a shame.

I really see a place in the road biking world for e-bikes; the assistance they can deliver really is a boost, alongside making you work hard, which makes for a clever combination. But that shouldn't come at the cost of making things more relaxed elsewhere.

Overall, the eScultura is a good bike, but for me it just lacks that road bike fun.


Great ride quality mated to an efficient power plant, but the handling might not be sharp enough for faster riders

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Make and model: Merida eScultura 400

Size tested: Medium, 55.5cm

About the bike

List the components used to build up the bike.

Merida lists:







FRONT TYRE: Maxxis Pursuer

REAR TYRE: Maxxis Pursuer


CHAINWHEEL: Shimano 105

CRANK SIZE: 170 mm-XS/S/SM/ML, 175 mm-L/XL


CASSETTE: Shimano 105

STEM SIZE: 80 mm-XXS/XS, 90 mm-S, 100 mm-SM/ML, 110 mm-L/XL






Tell us what the bike is for and who it's aimed at. What do the manufacturers say about it? How does that compare to your own feelings about the bike?

Merida says, "Our non-assisted 'classic' SCULTURA has been the pillar of our road bike range for a number of years and has helped our professional road teams and amateur road riders alike to reach their goals. However, more and more of us are sometimes looking for the 'helping hand' of an e-motor while preferring to keep the sleek and stylish silhouette of a non-assisted bike. While not necessarily seeking the full e-motor support for the entire ride, we are keen to have the e-support available when needed while also having the option to easily pedal the bike without too much added weight or extensive motor drag. This is not just on the wishlist for commuters, mountain bikers and leisure riders, but also for the more tarmac-biased road riders out there. With that in mind, we have created the e-version of our 'classic' SCULTURA - the eSCULTURA."

The motor system works very well with the bike to give you smooth and simple assistance.

Where does this model sit in the range? Tell us briefly about the cheaper options and the more expensive options

This is the only bike in the range.

Frame and fork

Overall rating for frame and fork

Tell us about the build quality and finish of the frame and fork?

It's well made and finished thanks to a tough paint job.

Tell us about the materials used in the frame and fork?

The frame is constructed from aluminium alloy while the fork is full carbon fibre.

Tell us about the geometry of the frame and fork?

The geometry is quite slack for a road bike, having a very shallow head angle.

How was the bike in terms of height and reach? How did it compare to other bikes of the same stated size?

I've mentioned the stack and reach figures in the review; I wouldn't say there is really anything out of the ordinary for a bike of this size.

Riding the bike

Was the bike comfortable to ride? Tell us how you felt about the ride quality.

Yes, comfort levels are good, both from the components and the frameset.

Did the bike feel stiff in the right places? Did any part of the bike feel too stiff or too flexible?

Stiffness is ideal for a bike of this kind. You can see that the rear of the frame is overbuilt to cope with the added torque from the motor.

How did the bike transfer power? Did it feel efficient?

It's pretty good in this respect, although the weight of the Merida can hamper things at times.

Was there any toe-clip overlap with the front wheel? If so was it a problem?

No, none.

How would you describe the steering? Was it lively neutral or unresponsive? Neutral.

Tell us some more about the handling. How did the bike feel overall? Did it do particular things well or badly?

The steering isn't quite as quick as I would like on a bike of this style, because of the relaxed geometry.

Which components had the most effect (good or bad) on the bike's comfort? would you recommend any changes?

The saddle – Merida's own – is comfortable; I got on well with the shape.

Which components had the most effect (good or bad) on the bike's stiffness? would you recommend any changes?

The stem and handlebar dealt with all of the forces I put through them.

Which components had the most effect (good or bad) on the bike's efficiency? would you recommend any changes?

The X35+ motor system adds massively to the efficiency of the Merida.

Rate the bike for efficiency of power transfer:
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The drivetrain

Rate the drivetrain for performance:
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Tell us some more about the drivetrain. Anything you particularly did or didn't like? Any components which didn't work well together?

The Mahle motor system works very well indeed, synchronising nicely with the gear ratios of the Shimano 105 groupset.

Wheels and tyres

Rate the wheels for performance:
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Tell us some more about the wheels.Did they work well in the conditions you encountered? Would you change the wheels? If so what for?

A decent enough entry-level set of wheels that'll deal with the daily rigours of road riding.

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Tell us some more about the tyres. Did they work well in the conditions you encountered? Would you change the tyres? If so what for?

Decent enough tyres that offer reasonable grip and rolling resistance.


Rate the controls for performance:
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Tell us some more about the controls. Any particularly good or bad components? How would the controls work for larger or smaller riders?

The alloy finishing kit does the job and the shallow handlebar means easy access to the drops.

Your summary

Did you enjoy riding the bike? On the whole, yes.

Would you consider buying the bike? I'd prefer something with slightly sharper handling.

Would you recommend the bike to a friend? Yes

How does the price compare to that of similar bikes in the market, including ones recently tested on

It's around the same sort of price as the Canyon and Boardman I mention in the review, but it is up against some tough opposition from Ribble.

Rate the bike overall for performance:
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Use this box to explain your overall score

The eScultura is a nice bike to ride, and comfortable too for a stiff aluminium frame. The slacker geometry just takes the edge off the handling, though, for what is a speed-orientated bike.

Overall rating: 7/10

About the tester

Age: 42  Height: 180cm  Weight: 76kg

I usually ride: This month's test bike  My best bike is: B'Twin Ultra CF draped in the latest bling test components

I've been riding for: Over 20 years  I ride: Every day  I would class myself as: Expert

I regularly do the following types of riding: time trialling, commuting, club rides, sportives, fixed/singlespeed,

With 20 years of road cycling and over 150,000 miles in his legs it's safe to say Stu is happiest when on the bike whatever the weather. Since writing his first review for back in 2009 he has also had a career in engineering including 3D-CAD design and product development, so has a real passion for all of the latest technology coming through in the industry but is also a sucker for a classic steel frame, skinny tyres, rim brakes and a damn good paintjob.
His fascination with gravel bikes is getting out of control too!

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