Combo machines

2-in-1 cross trainer and exercise bikes: should you buy one?

A 2-in-1 cross trainer and exercise bike is one machine trying to do two jobs: pedal it seated like a bike, or stride on it standing like a cross trainer. We should say plainly, before anything else: we do not sell one, and we have never used one. This page is not a shop page. It is the honest answer to whether you should buy one at all, and for most people the answer is no, because a machine built for two jobs usually does neither as well as a machine built for one. But not for everyone, and the difference is worth five minutes: if you are genuinely short on both space and budget and want both movements, a 2-in-1 is a real option, and further down we tell you exactly what to check so you pick a decent one.

CityRide U2 upright exercise bike, a dedicated one-job machine, three-quarter view
  • Free UK delivery
  • Interest-free instalments
  • 2 year warranty
  • 14 day returns
  • Ships part-assembled, tools included
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The one-job bikes we sell instead

CityRide U2 upright exercise bike, three-quarter viewNew

CityRide U2 Upright Exercise Bike

A compact upright bike for steady home cardio. Smooth magnetic resistance, an adjustable seat, and a small footprint that fits a spare room or corner.

£149.99inc. VATIn stock

We sell dedicated exercise bikes, not combos: machines that spend their whole budget on doing one thing properly. Both of these suit small spaces, from £149.99 including VAT, with free UK delivery, a 2 year warranty, 14 day returns, and interest-free instalments with Klarna or Clearpay, subject to status.

What is a 2-in-1 cross trainer and exercise bike?

A 2-in-1 is a single compact machine with elliptical-style foot plates, moving arm handles and a saddle. Sit on the saddle and pedal, and it works like an exercise bike. Stand up and stride, and it works like a small cross trainer. The Argos Opti style of machine is the best-known shape of the idea.

The appeal is honest and obvious: two movement patterns, one footprint, one price. The catch is just as honest, and it is mechanical rather than a matter of opinion: both movements have to share one frame, one stride path and one budget, and each gives something up to make room for the other. The rest of this page is about exactly what gets given up, and whether that trade is right for you.

Should you buy a 2-in-1, or two separate machines?

For most people: buy one machine that does its job properly, not one that does two jobs halfway. That is the plain answer, and it is the one a well-watched page-one video reaches about the best-known combo on the UK market. A machine designed around a single movement spends its whole frame, its whole stride path and its whole budget on that movement. A combo splits all three.

If the movement you want is riding, a dedicated bike costs less than you might think: our value exercise bikes start at £59.99 including VAT, and every bike in our full exercise bike range was built to do one job well. If the movement you want is striding, buy a dedicated cross trainer, and we will be straight with you: we do not sell one. That is the honest version of this page, both halves of it.

The 2-in-1 earns its place for one reader in particular, and we describe that reader properly further down, without pretending it is everyone.

What do you give up with a combo machine?

Four things, and none of them is a matter of taste. They follow from the design, which is why no brand escapes them:

  • Stride length. A real cross trainer gives its pedals a long, flat, gliding path. On a combo, the saddle sits where that path would swing, so the stride stays short and the standing motion feels closer to stepping on the spot than to the glide of a gym elliptical. The stride length is in every published specification: compare it to a dedicated machine's and the compromise is visible before you buy.
  • Riding position. A real bike puts a saddle over ordinary pedals at the right height and reach. A combo perches the saddle behind and above an elliptical mechanism, so the seated geometry is a compromise too: most riders find it less comfortable over half an hour than a machine that was only ever a bike.
  • Moving parts. Two movement patterns need more joints, more linkages and more pivots, all doing double duty. More moving parts means more to wear, more to work loose and more to squeak, which is why the warranty section below matters more here than on a one-job machine.
  • Build quality at the price. This is arithmetic, not cynicism: at any given price, a combo splits the budget across two mechanisms, so each one gets roughly half of what a dedicated machine spends on doing its single job properly.

None of that makes a 2-in-1 a bad product. It makes it a compromise, and a compromise is exactly the right buy for the person whose constraints match it.

Who does a 2-in-1 genuinely suit?

You, honestly, if all three of these are true: you want both movement patterns, seated riding and standing striding; you have room for one machine only; and the budget will not stretch to two machines. For that reader, half of each job in one footprint beats all of one job and none of the other, and no dedicated machine solves your problem. Buy the 2-in-1, use the checklist below to pick a decent one, and enjoy it without a flicker of guilt.

If only the space constraint is real, though, there is a better answer than a combo: a folding bike does its one job properly and then gets out of the room. Our compact folding bikes stand behind a door between rides, and the FoldFit X1 at £179.99 folds flat with 16 levels of quiet magnetic resistance. Space solved, nothing compromised.

What is better, a cross trainer or an exercise bike?

As two separate machines: a cross trainer works more of the body and loads the bones because you stand on it, while a bike is seated, lower impact and kinder to sore knees. That question deserves its own page rather than a paragraph here, and it has one: our guide to the exercise bike against the cross trainer compares them properly, with the honest cases for each. This page stays on the combo question.

Will 20 minutes a day help me lose weight?

It can, on any of these machines, as part of a calorie deficit kept up over weeks: the machine burns the calories, the deficit does the losing, and twenty daily minutes is a genuinely useful habit. Our guide answers can a bike help you lose weight properly, including the pace to expect.

If you decide you want one, what should you look for?

Genuinely useful, then: if the 2-in-1 is the right call for your constraints, here is how to pick a decent one, all from the published specification sheet:

  • Stride length, first and always. It is the number that decides whether the standing motion glides or steps. Longer is better; compare it against a dedicated cross trainer's published stride so you know the size of the compromise you are accepting.
  • Maximum user weight. A combo's frame carries you standing and moving, not just seated, so treat the published limit with respect and leave a margin.
  • Resistance type and range. Magnetic resistance runs quiet with nothing rubbing; check how many levels, and remember one maker's level 8 is not another's.
  • Footprint and weight. Measure your actual floor space, and the route into the room. One footprint is the whole point of the machine, so make sure it genuinely fits.
  • Warranty, and read it properly. More moving parts means more that can wear, so a combo needs a better warranty than a one-job machine, not a worse one.

And if working through that list has quietly talked you into a machine that does one job properly instead, our upright exercise bikes are where the straightforward, sit-on-and-pedal answer lives.

The 2-in-1 against dedicated machines, from published specifications

2-in-1 combo machineDedicated machine (bike or cross trainer)
What it isOne frame sharing a bike and a cross trainerOne frame built around one movement
StrideShort, because the saddle sits where a long stride would swing. Check the published figureA full gliding path, on a real cross trainer
Riding positionThe saddle perches around the elliptical mechanismA saddle over ordinary pedals, set up only for riding
Moving partsMore joints and linkages, all doing double dutyFewer, doing one job
Build at the priceThe budget splits across two mechanismsThe whole budget buys one mechanism done properly
FootprintOne machine's worth of floor: its genuine advantageTwo movements would need two machines and two spaces
In our rangeNone. We do not sell one, and this page says soSix dedicated bikes from £59.99 inc VAT. No cross trainers, and we say that too
Tested by usNo, and we say so plainlyEvery bike we sell was ridden by our owner

Compare the whole range

Every bike we stock, side by side. All prices include VAT.

ModelTypeResistanceMax user weightFoldsPrice
FoldFit X1 Folding Exercise BikeFoldingMagnetic, 16 levels120 kgYes£179.99View bike
CityRide U2 Upright Exercise BikeUprightMagnetic120 kgYes£149.99View bike
Studio Pro S3 Indoor Spin BikeSpinWeighted flywheel150 kgNo£279.00View bike
DeskFit Mini Pedal ExerciserMini pedalAdjustable knobTo be confirmedYes£59.99View bike
ComfortGlide R500 Recumbent Exercise BikeRecumbentMagnetic150 kgNo£549.00View bike
AirStorm A1 Air BikeAirAir / fan, unlimited150 kgNo£449.00View bike

All prices include VAT. Max user weight is taken from the supplier specification. Where a figure still reads "To be confirmed", we will publish it as soon as the supplier confirms it.

2-in-1 machine questions, answered

What is a 2 in 1 cross trainer and exercise bike?
A single machine with elliptical-style foot plates, moving handles and a saddle, so you can pedal it seated like a bike or stride on it standing like a cross trainer. It exists to give two movement patterns one footprint and one price, and it accepts a compromise on each to get there.
Are 2-in-1 cross trainer exercise bikes any good?
They are a compromise, and it is fairer to say that plainly than to pretend otherwise. The stride is shorter than a real cross trainer's, the riding position is less comfortable than a real bike's, and the budget is split across two mechanisms. They genuinely suit someone short on both space and money who wants both movements; most other people are happier with a machine built for one job.
What is better, a cross trainer or an exercise bike?
As separate machines: a cross trainer works more of the body and loads the bones because you stand; a bike is seated, lower impact and kinder to sore knees. Our exercise bike vs cross trainer guide compares the two properly so you can pick for your own case.
Will 20 minutes a day help me lose weight?
It can, as part of a calorie deficit kept up over weeks: the machine burns calories, and the deficit does the losing. Twenty minutes daily is a genuinely useful habit on any of these machines. Our exercise bike weight loss guide explains how to make it add up.
Why is the stride short on a 2-in-1 machine?
Because the saddle has to sit where a long stride would swing. A dedicated cross trainer gives its pedals a long, flat, gliding path. A combo must keep that path short and compact so the machine still works as a bike, which is why striding on one feels closer to stepping than to the glide of a gym elliptical.
What should I check before buying a 2-in-1?
Five things, from the published specification: the stride length, the maximum user weight, the resistance type and range, the footprint in your actual room, and the warranty. A combo has more moving parts than a one-job machine, so the warranty matters more, not less.