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- Specifications
Cargo box / ski box for the tow bar
SKiiBOX is an aluminium cargo box that mounts straight onto the tow ball. You get 345–403 litres of extra space at a height you can reach from the ground, without climbing on the car and without making the car any taller than it already is. Developed in Norway, for Nordic roads, winter and road salt.
Fitted in seconds One movement on the ball. No tools, no adjustment. Loads at hip height Skis, luggage and gear go in without lifting overhead. Full roof height kept Car parks, ferries and garages work exactly as before. IP65 sealed Gasket all the way round. Snow, salt and slush stay out.More than a ski box
Winter
Skis, poles, snowboards, sledges and ski bags – at full length.
Holidays
Suitcases, bags, camping gear and the pram. The cabin gets to stay a cabin.
Leisure
Golf bags, hockey gear, fishing rods, hunting equipment and tents.
Work
Tools, fuel cans, chainsaws and materials you would rather not have inside the car.
Built for cars that can't take a roof rack
Many electric cars have a panoramic roof, a glass roof or doors that swing upwards, and then a roof box simply isn't an option. Others have no roof rack mounting points at all. The tow bar is there either way.
- Fits SUVs, crossovers, estates and electric cars with a standard tow bar
- No roof load, no rails, no holes in the roof
- The box comes off in seconds when the season is over
- The load sits low, not above head height
Choose the length that suits your car
The box is mounted crosswise behind the car, so the length of the box runs along the width of the car. Choose a length that does not protrude more than 15 cm on either side of the car.
180Vehicle width from approx. 1.55 m 190Vehicle width from approx. 1.65 m 200Vehicle width from approx. 1.75 m 210Vehicle width from approx. 1.85 m| Model | Internal | External | Volume | Weight, black | Weight, aluminium |
|---|---|---|---|---|---|
| SKiiBOX 180 | 180 × 48 × 40 cm | 183.5 × 51.5 × 43 cm | 345 l | 32 kg | 29 kg |
| SKiiBOX 190 | 190 × 48 × 40 cm | 193.5 × 51.5 × 43 cm | 364 l | 33 kg | 30 kg |
| SKiiBOX 200 | 200 × 48 × 40 cm | 203.5 × 51.5 × 43 cm | 384 l | 34 kg | 31 kg |
| SKiiBOX 210 | 210 × 48 × 40 cm | 213.5 × 51.5 × 43 cm | 403 l | 35 kg | 32 kg |
Crash tested at VTI
A box that comes loose in a collision becomes a hazard for the traffic behind. SKiiBOX has been crash tested with a load at VTI, the Swedish National Road and Transport Research Institute, at two collision levels. In both tests the box and the mounting stayed in place – no part came loose.
| Test 1 – low speed | Test 2 – collision | |
|---|---|---|
| Impact speed | 17.5 km/h | 48.9 km/h |
| Load in the test | 100 kg (70 kg load + 30 kg box) | 80 kg (50 kg load + 30 kg box) |
| Result | No part came loose | No part came loose |
Tested at VTI on 27 August 2026. The requirement levels are taken from SS-ISO 11154:2023 (the standard for roof racks) and from the crash pulse for child restraint systems in ECE R17 / R129.

Four movements and it's on
The lock grips the ball directly. No tools, no drilling, no permanent installation on the car – and just as quick to take off again when you don't need the box.
- 1Release the lockPull out the safety catch and turn it aside.
- 2Place the boxLift the locking lever and lower the box onto the tow ball.
- 3Lock it downPress the locking lever down until it engages.
- 4Secure itTurn the safety catch into place and check by lifting gently on the lever.
How much can you load?
Two limits apply, and the lower one always wins: the box's own load capacity of 50 kg evenly distributed, and your car's permitted tow ball load. The weight of the box itself counts towards the tow ball load.
Permitted tow ball load − The box's own weight = Maximum load in the boxThe permitted tow ball load varies from car to car and is stated in the vehicle registration document or the owner's manual – look it up rather than assume. SKiiBOX weighs 29–32 kg in aluminium and 32–35 kg in black, depending on the length. Treat the result as an upper limit and leave a little margin: that is what keeps braking and road grip predictable. Use the lashing points inside the box to keep the load in place.
Technical overview
| Model | External W × D × H | Internal | Volume | Weight alu / black |
|---|---|---|---|---|
| 180 | 183.5 × 51.5 × 43 cm | 180 × 48 × 40 cm | 345 litres | 29 / 32 kg |
| 190 | 193.5 × 51.5 × 43 cm | 190 × 48 × 40 cm | 364 litres | 30 / 33 kg |
| 200 | 203.5 × 51.5 × 43 cm | 200 × 48 × 40 cm | 384 litres | 31 / 34 kg |
| 210 | 213.5 × 51.5 × 43 cm | 210 × 48 × 40 cm | 403 litres | 32 / 35 kg |
| Construction | |
|---|---|
| Material | Corrosion-resistant aluminium |
| Finish | Brushed aluminium or black |
| Ingress protection | IP65 |
| Load and mounting | |
| Load capacity | 50 kg evenly distributed |
| Mounting | Quick-release lock directly onto the tow ball, no tools |
| Height adjustment | Can be lowered 40 mm at the mounting |
| Documentation | |
| Origin | Norway |
| Warranty | 5 years against manufacturing and material defects |
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