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Package deal: KAMEI KM550 Fosco 420 gloss black box and bars

Code: KM550-P

KAMEI's new Fosco 420 is an adventurous design - it's designed for efficiency (reduced drag, maximum real-world load carrying capacity) which really means that it's designed to complement the latest in car design concepts. It deserves to be a winner!

Please note that it only fits to T-track aluminium roof bars; it doesn't fit to steel roof bars.

Please see the Description tab for full details and important fitting information if you will be fitting this box to Thule WingBar Evo..

IF Design Award winner 2019

This package deal is only available at this "from price" if CRUZ has steel roof rail bars for your vehicle (CRUZ has bars for most vehicles), but we're also offering packages with our other bar brands, at higher prices but with even bigger savings.

All our roof bars packages provide everything you need. All you need to do is to click on "Add to basket and choose bars" (see bottom of page), then choose your car to see the options and the savings.

This superb box and bars package deal provides everything you need for a fixed price, including locking roof bars. When you've chosen your car we'll show you which roof bars are available. You'll pay more for aluminium than steel, and you'll pay more for Atera, Thule, or Yakima, but the savings on buying the components individually are huge. We're confident that you won't find such good value anywhere else!

What's so special about the KAMEI Fosco?

Compared to the standard shape of roof box, some might think the new Fosco looks like a fish out of water when first removed from its carton, but put it on a modern car roof and it's obvious that it's now back in its element. Stand to one side and you'll see that the long raking nose follows the line of the car windscreen, and the Fosco's gently falling lid-line follows the car's gently falling roof-line. And now that the whole box is correctly poised, its gently falling lid to base line draws the eye forwards to the front of the box, and echoes the same falling styling line (above the door handles) that you'll see on so many of the latest cars. The KAMEI designers have done something really smart with this box design.

The Fosco's styling follows the 'teardrop' contours of the modern car, reckoned to be the most aerodynamic shape available - wider and higher at the front than at the back, to minimise drag and to maximise fuel efficiency.

We are really interested to note, as roof box nerds, that the designers have taken the stiffening ribs out of the base and put them instead into the box sides - this might not make much difference to the nominal capacity but, together with the use of the lowest possible profile ClickFix roof bar fittings, this near flat base gives a lot more real world load carrying space than would otherwise be the case.

So now you only need to add KAMEI's exceptional build quality, and features including DuoLift opening (opening the box from either side) and Stabilus gas-strut assisted lid openers (extra wide, extra smooth) and a 'Just pull to shut' lid closing system, and this Fosco is a box that ought to be on your short list if it's within your price range and you are looking for a large, spacious box.

More information on core features

ClickFix: The ClickFix system is claimed to be "the world's fastest roof box mounting system". Certainly we can't see how it could possibly be any faster. Place the ClickFix above the aluminium roof bar T-track slot and push down the handle. Done - it automatically adjusts to all T-track profiles, even to BMW profiles that usually require special adapters.

Just pull to shut central locking: KAMEI's 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.

Duolift with gas struts: This Duolift box opens from either the left or the right hand side, making it very easy to fix to roof bars (no need to stretch across the box), as well as providing full choice about where you position it, depending e.g. on what else you are carrying on the roof, and which side to load and unload. The DuoLift system includes patented gas struts for wide and easy opening and closing. There are wel-integrated handles on each side of the lid to make opening and closing even easier.

Some other features:

  • Externally 195cm x 80cm x 40cm
  • Internally 183cm x 66cm (front) / 60cm (back) x 35cm
  • The empty box weighs 18kg, and it's certified to carry a maximum load of 75kg. You should note your vehicle's maximum roof loading limit, and the weight of the roof bars and roof box, before working out what maximum weight you should carry.
  • All KAMEI boxes are TÜV and GS (security) tested and approved.
  • 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.
  • Includes an anti-slip mat for the base of the box


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!

In summary:

KAMEI's whole heritage is in forward thinking automotive design. The Fosco is an exciting addition to their line up and deserves to be a great success.

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".

If you want to exchange a box that was purchased as part of a package deal, the scheme works in exactly the same way. Please note that the roof bars in package deals will be invoiced at the full “Our Price” that was advertised at the time of order, with the box representing the difference between the package deal price and the roof bars. Package deal roof boxes are often invoiced at a very substantial discount to the cost of buying that box on its own, so it’s likely that you’ll need to pay a bit extra if you want to exchange for a box that is normally the same price as the one you’re trading in.

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

Fitting boxes with KAMEI ClickFix to Thule Evo WingBars

If you wish to fit this box to Thule’s Evo WingBars, you should not insert the rubber strips into the bars, because they will be caught up by the ClickFix mechanism, and pushed into the T-track slots in the aluminium bars. This will put too much strain on the ClickFix system, and will not be a safe fitting.

Fitting the rubber strips into Evo WingBars is not an easy task; if it were easy, it would be done at the Thule factory! Spare yourself the hassle!

When a box is fitted to roof bars there is no need for noise-reducing rubber strips anyway; this is true if anything is fitted to roof bars, e.g. a bike carrier or a kayak carrier – all these items make some noise.

If you wish to leave your bars in place with the roof box removed then there is sense in cutting and inserting the rubber strips, but not in the area of the ClickFix fixings. It is best to use the box a few times before doing this, so you can be confident that the box is in the optimum position on your roof bars. Removing the rubber strips is easy; putting them in again a second time, neatly, is very difficult!

Technical specifications at a glance:

  • External dimensions: 195 (l) x 80 (w) x 40 (h) cm
  • Internal dimensions: 183cm x 66cm (front) / 60cm (back) x 35 cm
  • Volume: 420 litres
  • Weight: 18kg
  • Max load capacity: 75kg
  • Max number of skis: TBA
  • Opens from: either side
  • Type of struts: hydraulic gas struts
  • Opens how wide: TBAcm
  • Fits bars: all known T-track slotted aluminium bars
  • Distance between roof bar fittings: TBA
  • Guarantee: 6 years
  • Colour: deep gloss black lid / black base

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 Standard two to four day service is £6.50 (£11.50 for orders including a roof box) and our charge for Express Delivery (one or two days) is £9.50 (£14.50 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 (courier, usually Express Delivery).

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 Express Delivery need to be received by 4pm.

When will my order arrive?
There are no deliveries on Saturdays, Sundays or Bank Holidays, except for postable items where Royal Mail has a Saturday delivery. Express Delivery orders placed on a Friday should be delivered on the Monday or Tuesday, Express Delivery orders placed on a Saturday should be delivered on the Tuesday or Wednesday.

What about Next Working Day delivery? 
We have offered a reliable Next Working Day service for well over 20 years but, due to the pressure on the couriers caused by the coronavirus crisis and the huge increase in online shopping, we can no longer be confident about the delivery date, which is why we now call the service ‘Express Delivery’.  Many Express Delivery orders will arrive on the next working day, but some will arrive on the second working day, or be split between these two days. So-called “split deliveries” happen when the couriers do not have enough trailer space for everything that should be moved around the UK, so they will load what they can, and leave the rest for the next trailer.

Is my delivery day guaranteed?
No retailer or courier company can ever "guarantee" a Next Working Day delivery. As well as split deliveries, 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.

Do I need to be at home?
We are very flexible with our deliveries and will aim to deliver to an address which suits you – this does not need to be your home address. 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.

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".

PayPal accepted

Secure payments

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Add to Your Order Untick if not required:
Item: Description: Our price (each): RRP:
Roof box and roof bars PACKAGE: £569.95 (rrp. )
Special offers:
FASTY promotion: £8.75 (rrp. £17.50)
Roof box accessory: £22.95 (rrp. £28.00)

All our prices include VAT at 20% Total: £569.95

We will notify you by email when we have an estimated despatch date. You will not be charged until your order is ready for despatch.

 How the Exchange Scheme works with package deals 
 Fitting to Thule Evo WingBars 
 Delivery charges and Payment options