55x40x20 Carry-On: 7 Spec Sheets Compared Column by Column

Every dimension below is a manufacturer's stated figure, not a measured one. Prices are a snapshot, as of 2026-07, and Amazon moves them daily.

Row by row: BEIBYE from the BEIBYE hardshell catalogue. Aerolite from the expandable model's spec sheet listing 2.95 kg, 44.6 L and a five-year warranty. Cabin Max from its own Anode product page, which states outright that the wheels are included in the 55x40x20 cm, plus the retail listing at 2.2 kg. Samsonite from the Base Boost Upright 55/20 data sheet at 41 L, 2.0 kg and five years.

Three figures are simply missing: the empty weight of both BEIBYE cases and of the COOLIFE. I would rather have them in the table. I am not going to invent them.

Where the numbers contradict each other

Cabin Max is the strangest case. Its own site lists the Anode at 40 L, 2.8 kg and eight wheels. Retailers sell the same name at 44 L, 2.2 kg and four wheels. Those are two builds under one product name, and 600 grams is not a rounding error when your allowance is 8 kg.

The COOLIFE is simpler. Its listing title now reads 55x35x20 cm, even though the model made its name as a Ryanair 55x40x20 cm case. One ASIN can carry several variants. So check the variant selector, not the headline.

Amazon Basics does the one thing that ought to be standard: the spec sheet says 55x40x20 cm and adds that 6 cm of wheel height is included. You can plan around that number. You cannot plan around a bare "55 cm".

Every airline measures everything attached. Wheels, handles, side pockets. Handgepaeck-Guru explains it in detail, and the sole exception is Wizz Air with its 5 cm wheel allowance.

Plenty of makers still publish the body measurement instead. A case advertised at "55 cm high" lands at 58 or 59 cm once wheels are on it. At Ryanair, two centimetres over means a gate fee of up to €75.

In the table above, exactly three sellers say the wheels are inside the stated size: Amazon Basics, Aerolite and Cabin Max. For the other four, the question that decides your gate fee is left open. Get a tape measure out from the bottom of the wheels to the top of the handle the day the box arrives. Not at the gate.

55x40x20 cm is the IATA recommendation for cabin luggage. A recommendation, not a law. Airlines are free to set something else, and easyJet has done exactly that for years.

The linear total comes to 115 cm. Germany's federal consumer association (vzbv) is pushing for that figure as an EU minimum standard for free carry-on. So there is a legal reason almost everyone converges on it.

Airlines do not share a number. Aviation Direct compares the policies side by side, and the spread is wider than most travellers expect.

As of 2026-07. Fare terms shift, so re-check the airline's own page before you book.

Read that table and the logic falls out: 55x40x20 cm is the lowest common denominator. A case with 23 cm of depth fails at Ryanair, TUI and Condor. A case with 20 cm passes everywhere but throws away three centimetres of volume at Lufthansa. And at easyJet none of it fits the free allowance, because the free size there is 45x36x20 cm. You'll find all Ryanair hand luggage rules in detail in our dedicated guide.

Under €50: three cases, three open questions

The BEIBYE Hartschalen-Trolley mit Zahlenschloss costs around €35. ABS hardshell, four wheels, TSA lock. Except BEIBYE's own catalogue has no 55x40x20 cm model in it. The nearest is the B2045 M at 55x36x20 cm and 38 L. ABS is fine for a couple of holiday flights a year, though it is the less impact-resistant plastic. Empty weight? Nobody says.

The BEIBYE TSA-Schloß 2080 Hartschalenkoffer Handgepäck Trolley Reisekoffer 55x40x20 cm at roughly €40 is the 2080. BEIBYE's catalogue puts it at 55x35x20 cm and 38 L with twin wheels. Five centimetres narrower than the maximum. The twin wheels are audibly quieter on terminal floors, which you notice by the third gate change. You still paid for volume you don't get.

The COOLIFE Handgepäck Koffer 55x40x20cm für Ryanair & Easyjet mit 4 Silent Spinner Rollen at just under €50 markets itself as "optimised for Ryanair and easyJet", four silent spinner wheels, 4.7 stars. Its listing title currently reads 55x35x20 cm. If you want the maximum size, check the variant before you buy.

€56 to €65: the three with honest dimensions

The Amazon Basics Hartschalen-Kabinen-Koffer - ABS-Handgepäck Zugelassen für Ryanair - 55 x 40 x 20cm from Amazon Basics costs about €56 and is the only case here whose spec sheet breaks out the wheel height: 55x40x20 cm including 6 cm of wheels. Empty weight around 2.7 kg. No litre figure. One year of cover is the weakest warranty in the whole table.

The Aerolite Erweiterbar 55x40x20cm auf 55x40x23cm Lufthansa Eurowings Handgepäck Hartschale has the most complete spec sheet of the seven. 55x40x20 cm as standard, 55x40x23 cm with the expansion zip open, wheels included, 2.95 kg, 44.6 L expanded, five years of warranty. In practice: fly out at 20 cm on Ryanair, fly home at 23 cm on Lufthansa, no second suitcase. The cost sits in the same row, though, at 2.95 kg empty, nearly a kilo more than the Samsonite. Against an 8 kg allowance that is a kilo of clothes. Our full Aerolite suitcase review covers how the expansion holds up in real travel.

The Cabin Max Anode Handgepäck Koffer 55x40x20 - Leicht, Hartschale, Handgepäck Trolley mit 4 Rädern, 3-stelliges Schloss at €65 is the bestseller with nearly 15,000 reviews. Cabin Max states on its own page that the wheels are inside the 55x40x20 cm, plus three years of warranty. The catch is the two builds: 40 L at 2.8 kg with eight wheels on the manufacturer's page, 44 L at 2.2 kg with four wheels in retail. Count the wheels in the product photo. That is the fastest way to tell which one is in the box.

€159: the only softshell in the field

The Samsonite Base Boost Handgepäck Upright 55/20 Länge 40 cm is the lightest case in the table. 2.0 kg, 41 L, 55x40x20 cm, five-year warranty, polyester instead of a hard shell, and only two wheels rather than four. Two wheels means pulling rather than pushing: better on cobbles, worse in an aircraft aisle.

The real argument for softshell is different. It gives. If your case sits a millimetre over the sizer, you squeeze it in. A hard shell has no millimetre to give. Whether Samsonite includes the wheels in that 55x40x20 cm? Not stated anywhere. Even here, that one is missing.

Ryanair allows 10 kg. Lufthansa and Eurowings allow 8 kg. If the case alone is 2.95 kg, you have 5.05 kg left at Lufthansa for clothes, laptop and toiletries. At 2.0 kg you have 6.0 kg. Almost a kilo of difference, purely in the shell.

All figures are manufacturers' own. The three models with no published weight are absent from this table, because I am not going to estimate them.

Sounds like small change. At the check-in desk it is a winter coat.

Hardshell (ABS, polycarbonate): protects a laptop and souvenirs better, water-resistant, easier to wipe clean. But it won't go into the sizer if it's oversize. Zero give.

Softshell (nylon, polyester): compresses, usually 200 to 400 g lighter, outside pockets for the boarding-pass scramble. Less protection, and not water-resistant.

My take, and it is a take rather than a finding: if you fly Ryanair and Wizz Air a lot, softshell buys you peace, because those sizers actually get used. If you fly Lufthansa and Austrian, you have 23 cm of depth and rare checks, so hardshell is more convenient. Our test shows which hardshell suitcases crack least.

Or take the expandable Aerolite and cover both, paying for it with nearly a kilo of empty weight.

Ryanair charges up to €75 at the gate. Since November 2025 its staff have had more reason to look: according to a VisaVerge report they earn €2.50 per oversized bag caught, with no cap. Roughly 200,000 passengers a year pay, per the same report. That isn't chance, it's an incentive scheme. Our report on how gate checks run in 2026 goes into it.

easyJet charges €29 to €58. A complete overview of excess baggage costs sits in a separate guide. Condor and TUI check less often, but they do check.

Something is moving, at least. 86% of European consumers think a cabin trolley belongs in the base fare, according to a BEUC survey. In May 2025, 16 consumer organisations from 12 countries filed a complaint with the EU Commission against seven airlines. A German appeal court has already ruled against Vueling.

Until that lands: buy the right size, skip the fee.

Want the most complete spec sheet? Aerolite Expandable, €60. Dimensions with wheels, 2.95 kg, 44.6 L, five years, and 20 or 23 cm depending on the airline. Nothing left blank.

Counting every gram of payload? Samsonite Base Boost Upright, €159. 2.0 kg, 41 L, five years. Lightest in the field, and a softshell squeezes into the sizer.

Want to know what you're buying without paying premium? Amazon Basics at €56 is the only one that publishes the wheel height. One year of warranty is the downside.

Bestseller with the review count? Cabin Max Anode, €65, three years of warranty. Count the wheels in the photo first, or you won't know whether 2.2 or 2.8 kg is in the box.

Just needs to be cheap? BEIBYE from €35 does the job. Plan for 55x35x20 cm or 55x36x20 cm, not 55x40x20 cm, and for an empty weight nobody will tell you. More models across every size are in our big hand luggage test.

The number that finally decides it is one no manufacturer measures for you: your case, bottom of the wheels to top of the handle. Tape measure, two minutes, once in your life.