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KAMEI Corvara S 390 carbon grey roof box no. KM536 (0 81536 21)

£434.95
RRP: £475.00
Code: KM536

KAMEI's Corvara S boxes are the best designed and engineered boxes available, with their sophisticated and enduring good looks, DuoLift opening on gas-assisted struts, "Just pull shut to lock" central locking, and the ultra-low-profile ClickFix box to bars fitting system, the fastest available.

A bit small at 390 litres? The reality is that bags that filled a 460 litre box also fit in this one.


KAMEI's Corvara S boxes are the best designed and engineered boxes available. They look distinguished on any car, have a superb 'Just pull shut to lock' central locking system that makes them very easy to use (all KAMEI boxes have an easy closing feature of one sort or another), and have gas-assisted struts that allow for a smooth opening and closing motion that just isn't possible with other systems. And they also have KAMEI's ultra-low-profile ClickFix system, "the fastest in the world", for fixing the box to all brands of slotted aluminium bars, including BMW's. Note that the Corvara S boxes can't be fitted to steel bars.

The only downside is that so much patented technology and quality doesn't come cheap, but they're good value compared to e.g. Thule Dynamic boxes which simply aren't as good.

There's a general consensus that KAMEI, based in Wolfsburg in Germany, makes the best quality boxes on the market. Don't just take our word for it! They're a specialist box manufacturer, Quality Assured to ISO 9001, represented in over 40 countries, with numerous Best Buy awards over the years, including the last 6 consecutive Auto Express "Best Buy" awards!

With their innovative and intelligent designs, top quality materials and engineering, and outstanding build quality, it's no surprise that KAMEI are Original Equipment box suppliers to several major manufacturers, including Audi, Mercedes-Benz and VW. And their boxes have the longest guarantee of any manufacturer in the car rack systems sector - 6 years!

KAMEI originally built its reputation in the car styling sector over many decades, so it should be no surprise that they 'get it right' with both looks and aerodynamics. Both the lid and the base of the Corvara 390 boxes were styled to integrate with the latest car roof shapes; there's minimal front overhang, and hatchback tailgates can be fully opened - yet it's long enough for carving skis. Corvara's are great looking boxes, in our view the most stylish on the market.

A bit small at 390 litres? We don't think so, having stuffed a Thule 480 litre box (196 x 78 x 44cm) and then packed all the same stuff in a Corvara 390 (190 x 75 x 43cm) with the aim of finding out what's going on here. KAMEI boxes are differently engineered to Thule boxes, with smaller internal dimensions, but the experiment proves the point that small increases in size, especially in height, will significantly increase the nominal capacity but not necessarily the real world usefulness. It's also fair to say that KAMEI tends to underestimate capacity. See the tab 'What does volume really mean?' for more information about this thorny topic.

KAMEI central locking systems have the benefits of central locking without the potential drawbacks. Turn the key and the lid opens wide on its gas struts, but to close it you just pull the lid until it clicks shut - no need to hold the front and back shut while simultaneously turning the key. And you can’t lock the keys in the box inadvertently because the keys can’t be withdrawn from the lock until the box is properly shut. This is clever engineering.

The ClickFix-System is claimed to be "the world's fastest roof box mounting system". Certainly we can't see how it could be any faster. Push the clamp down. Done - it automatically adjusts to all T-track profiles, even the BMW ones that usually require special adapters.

Important information: The ClickFix fittings don't work with the new Thule Evo WingBars, KAMEI are working on a solution and hope to have this sorted ASAP. These fittings only work with the original Thule WingBars and aero bars (as well as other brands of T-track aluminium bar).

Some other features:

  • The whole range is TÜV and GS (security) tested and approved.
  • Corvara S boxes have dual side opening - they can be opened from either the left hand side or the right hand side, making them very easy to fix to roof bars (no stretching into the box is needed), as well as providing full choice about positioning (left, right or centre).
  • The patented DuoLift opening system includes gas struts which allow for smooth opening and closing, as well as a very wide opening (to 35cm) for easy loading and unloading.
  • The ClickFix box to bar fittings slide at all four fitting points so there’s never a need to drill new holes if the distance between your roof bars is non standard.
  • The 3 combined locks/hinges are at just the right places for optimum security.
  • Weight 16kg empty, maximum load 75kg, gross loading limit 91kg, but only if 91kg is within your car roof loading limit.

Do you need roof bars as well? If so, check out our amazing box and bars package deal which provides everything you need, including this box, a set of roof bars, and a useful free gift, all for a fixed price! Click here for more details.



This season we are offering a free roof box hoist to give you a superb deal. Boxes are bulky items so the ideal place to store them is above your car in the garage, or perhaps in a shed. Many people will leave the box attached to the bars, and also use the box for storage.

If you don't need a box hoist, our alternative gift is a set of 3 Fasty straps - 0.5m, 1.5m and 3.0m. Although of much less financial value they will be useful for 1,001 things, time and again. (Note that only one box hoist or one set of straps will be included per roof box ordered!)

If you're ordering this roof box as part of a Package Deal, you will select your free gift once you've chosen your roof bars.

View Specs Sheet PDF

Technical specifications at a glance:

  • External dimensions: 190 (l) x 75 (w) x 43 (h) cm
  • Internal dimensions: 178 (l) x 65 (w) 37 (h) cm
  • Volume: 390 litres
  • Weight: 16kg
  • Max load capacity: 75kg
  • Max number of skis: 6 (max 180cm)
  • Opens from: either side
  • Type of struts: hydraulic gas struts
  • Opens how wide: 35cm
  • Fits bars: all known T-track slotted aluminium bars with the exception of Thule WingBar Evo and SlideBars
  • Distance between roof bar fittings: 65 – 86cm
  • Guarantee: 6 years
  • Colour: 'carbon' grey lid / black base

*Does not fit Thule SlideBars

Delivery charges and arrangements:

We charge a contribution towards delivery costs, depending on what you order, where you live, and how quickly you want the goods.

For most UK addresses, the charge for our two to three day service is £5.50 (£9.50 for orders including a roof box) and our charge for Next Working Day deliveries is £8.50 (£12.50 for orders involving a roof box). AutoSock, shoe chains, RUD i-Sock, and small spare parts, are charged £3.95 (Royal Mail Tracked), £4.95 (Royal Mail Express Tracked) or £5.95 (express courier, usually Next Working Day).

There are different charges for any delivery including a sea crossing, and deliveries to Skye - we will contact you with a quote on receipt of order.

Orders for Next Working Day delivery need to be received by 4.00pm.

There are no deliveries on Saturdays, Sundays or Bank Holidays, except for postable items where Royal Mail has a Saturday delivery. Next Working Day orders placed on a Friday will be delivered on the Monday, Next Working Day orders placed on a Saturday will be delivered on the Tuesday.

We are very flexible with our deliveries and will aim to deliver on a day and at an address which suits you. Goods can usually be left without signature - we prefer this with roof boxes. There's a "Special Delivery Instructions" box in the checkout area where we'll ask you to choose a typical instruction and then amend it to suit your particular requirements.

No retailer or courier company can ever "guarantee" a Next Working Day delivery. All courier companies occasionally have the same transport problems as can happen to everyone else, including snow blocked roads, closed roads, traffic jams, mechanical breakdown, an inability to find the delivery address, or to gain access to it if, for example, it's in a block of flats. We work with some of the best couriers in the business, and overall they provide an outstanding service.

Payment options:

We take the following cards, and also PayPal. Please note that the entry on your card statement will be from "The Roof Box Company".

accepted cards

If you would prefer not to pay online, or to pay by cheque, please phone us to place your order.

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Very few customers know much about the roof box market before they visit our site. We have a lot of information about the things to think about before buying, and the “real world usefulness" of various roof box features, but you’ll be buying sight unseen, and you probably won’t have used a roof box before, so there is inevitably some luck in getting a box that you’ll be happy with.

We want to remove the risks of buying these large and often expensive items, perhaps from brands which almost every other roof box retailer doesn’t stock, and so we have a unique “90 day Exchange Scheme” for roof boxes.

This allows you to use a roof box and, with the benefit of experience, to exchange it for a new one within 90 days of invoice date. Most exchanges are from a shorter box to a longer one, or from a wider box to a narrower one.

These are the rules of the Exchange Scheme:

  • You are allowed one exchange only.
  • The original box must be in "as new" condition, subject only to fair wear and tear.
  • The replacement box must be a different model.
  • The replacement box must not be part of a package deal or be from our Bargains section.
  • Roof bars are never part of the Exchange Scheme.

This is how the exchange scheme works:

  • We charge in full for the replacement box, including the appropriate carriage charge and a charge for any packaging needed for the return of the original.
  • We arrange the collection and pay the return carriage costs.
  • When the original box arrives back here we refund you for the invoice value of the original box, but you won't get back more than the invoice value of the replacement box. In other words, if the replacement is cheaper than the original we won't be giving you "extra cash back".

Please note: we can only collect items from mainland UK.

A good question. It's not easy to convince customers that a 330 or 340 or 390 litre KAMEI box is in practical terms as large as a 480 litre Thule box, even if they have seen the boxes side by side, and the cartons (see pictures below - click on them to see a large picture). Now an influential German motoring web site has provided us with more evidence, which is that KAMEI's Corvara 390K was 3.8% smaller than advertised, but the Thule Dynamic 800, a stated 420 litres, came out at 274 litres, a 34.7% exaggeration!

The boxes in the cartons shown above have declared volumes of 480 litres (Thule), 330 litres (KAMEI), 320 litres (Karrite), left to right. The message is to treat capacity with a big pinch of salt - length and width are the most important measures of real world usefulness.

See the "exaggeration" bar chart above, as well as the Google translation.

Auto-Presse also report that the KAMEI Husky L and Delphin 470 boxes are larger than their stated volumes. None of this surprises us - KAMEI is a family business which takes pride in doing things properly. "Made in Germany".

You can click here or on the logo below to view the article in full:

We offer our existing customers a full "Next Day if possible" spares service, and will cannibalise new stock as required to find you the parts you need.

To find the spare parts you need, please see the diagram below, identify the product codes, then choose them from the list below. If you need more than 1 of any item, change the quantities in the Shopping Basket.

Item: Description: Our price (each): RRP:
Spares 052220/10 - KAMEI ClickFix fitting (x1) £17.50
Spares 52011 03 - Kamei internal load strap (pair) £7.50
Spares 52057/07 - Kamei 'one lock system' keys (x2) £15.00
Spares 52595 01 - KAMEI gas strut for Corvara, 510 and Oyster boxes £17.95


Add to Your Order Untick if not required:
Item: Description: Our price (each): RRP:
Medium-wide roof box: £434.95 (rrp. £475.00)
Special offers:
Free box hoist: £0.00 (rrp. £17.50)
Alternative free gift: £0.00 (rrp. )
Roof box accessory: £22.95 (rrp. £28.00)

All our prices include VAT at 20% Total: £434.95
In Stock - Get it by Thursday 27th June
 Description 
 Videos 
 Specifications 
 Delivery charges and Payment options 
 Our 90 day Exchange Scheme 
 What does volume really mean? 
 Spare parts