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Advice & FAQ Centre

Advice & FAQ Centre

Searching for particular information what you need can be extremely time consuming, At roofracks.co.uk we specialize solely in car carrying solutions and try to make our website as helpful, informative and user friendly as possible but if you can’t find an answer to a specific question that you are looking for, please use the contact form below and we will get back to you with an answer as soon as possible.

General

I've lost my keys. Can I buy new ones?

As we all know losing a key can be extremely frustrating and stressful. This is especially so since it always seems to happen at the last minute and at the most inconvenient times. We keep all Thule key numbers in stock and in most cases they will be despatched to you the same day without delay. You can order spare keys on our Replacement Keys page.

I have lost or broken some parts on my Thule product, Can I obtain spare parts?

A comprehensive range of spare parts are available on our Spare Parts pages.

How fast can I drive with a roof box or luggage carrier on my car roof?

Please note the recommended speed and other traffic regulations in the specific country. In general though we recommend a maximum top speed of 130 km/h (85 mph) with Thule roof bar carriers and roof boxes. It is important to respect both the weather and road conditions that are prevalent at the time and therefore adjust your speed accordingly. Never exceed the weight carrying limits advised by Thule and/or the vehicle manufacturer.

Can I make modifications to a Thule product?

Thule do not permit modifications to be made on the grounds of safety and conformity reasons. Doing so will void Thule's liability as well as your 5 year factory guarantee of Thule products.

How is the safety of the products warranted?

Thule's manufacturing facilities are ISO 9001, QS 9000 and ISO award / TS 16949. The product range is TÜV tested according to DIN 75302 and meets the criteria of the international standard ISO 11154th. Furthermore, Thule roof boxes, load carriers, bike carriers and accessories are tested to meet the "City Crash" standards.

Can I use my Thule carrier or roof box for off-road trips?

Thule products are not approved for off-road driving. Please adapt your speed and driving to the conditions of the road and the load being carried. Always check the load and its attachments on a regular basis.

Can I still use my Thule bike carrier or roof box, on non-Thule roof racks?

It is possible as long as your non-Thule load bars are equipped with a T-slot, accepting a T-Track adapter of 20mm width or 24mm width.

I have a specific question I wish to ask. To which email address can I sent questions/pictures?

Please contact our technical team at info@roofracks.co.uk. You can also attach picture if this helps.

Do I always have to lock my Thule-products?

Items that are fitted with a lock must always be locked during transport.

I'm interested in your part exchange scheme for roof racks etc, but how do I go about it?

You can obtain an idea of the part exchange allowance and how it works here.

Do you have any special offers?

Virtually everything on our web site is sold at special prices but we also often have specific products listed on our Special Offers page.

Bike Carriers

Rear Mounted Bike Carriers

Which Thule ClipOn (High) do I own?

The "ClipOn"-model has two different sizes: a small version 9103 and a large version 9104. The same goes for the "ClipOn High": a small model 9105 and a large size 9106. The two different sizes of each model are not interchangeable: the choice for a certain model and size depends on the size, construction and design of your car's rear tailgate etc. Pleas consult our Fit Guide to find out the possibilities for your car. Please note that some cars cannot have rear door mounted carriers fitted at all: in this case our Fit guide will not show any alternative options.

Can I mount a hatch-mounted bike carrier, if my car has a rear spoiler?

If your car has a steel integral spoiler, there is a small chance that the you can fit a rear door mounted carrier, please consult our Fit Guide. If your car is equipped with a plastic rear spoiler, you will not be able to mount a bike carrier on the hatch. These plastic spoilers are too weak to support the weight of the carrier with bikes fitted.

Why can't I mount my Thule ClipOn (High) on my car, although it's recommended by your Fit Guide?

Please make sure that all tubes are correctly fastened with bolts and nuts. Verify that you're using the right hole to attach the upper strap, using Thule's List of Recommendations in the box. Please note that the lower tubes are telescopic: unscrew to extend or screw to shorten, until you obtain the correct tube length. Once the right length has been obtained, attach the carrier to the hatch and lower both handles simultaneously.

What's the difference between the 9103 and 9104 Clip On rear mount carriers?

The frame dimensions and angles are different and each is tested for the vehicles listed. It is not possible to fit a 9103 for example where a 9104 is specified and vice versa.

What's the difference between the 9105 and 9106 Clip On High rear mount carriers?

The frame dimensions and anles are different and each is tested for the vehicles listed. It is not possible to fit a 9105 for example where a 9106 is specified and vice versa.

Roof Top Mounted Bike Carriers

Can I fit a bike, skis and or kayak carrier next to a roof box?

Please refer to our easy to use guide to find out what combinations are possible.

How many bikes will fit on to a pair of roof bars?

You can use our bike rack guide to find out how many you can fit.

What is the difference between the 532 FreeRide and 591 ProRide roof mounted bike carriers?

The Thule 532 FreeRide starts from £39.95 and is the entry level carrier in the Thule range. This carrier has the benefit of being narrow at only 21cm wide, so you are able to space out more bikes alongside each other on your roof bars. The Thule 591 ProRide from £69.95 is a much stronger carrier. It is manufactured almost entirely from aluminium. It is also the smartest looking and the easiest to use. Amongst the many benefits of the ProRide is the way you can simply attach your bike to the carrier. By simply rotating the attachment arm on the carrier 30 degrees upwards, open up the wheel straps and place your bike on the carrier tray. Then with just one hand resting the bike against the frame mount. The other hand rotates the knob which tightens the clamp on the bike frame. The tightening knob is also located at the height of your roof bars, which means you don't have to reach up high to secure the bike, we highly recommend using the Thule ProRide when you need to carry multiple bikes or if you have a high vehicle.

Can I mount a carbon bike on Thule roof mounted bike carrier?

In the case of bikes with carbon frames or forks, always consult the bike manufacturer or supplying dealer to check if you are allowed to use the carrier. Thule assumes no liability for any damage to carbon frames or forks incurred during mounting and or use of the carrier.

Can I mount Thule roof mounted bike carriers on non-Thule roof racks?

Our products are only being tested for secure and safe mounting on our own roof racks. It is impossible to test our products on competitor's roof racks. Therefore we cannot guarantee the compatibility with non-Thule roof racks. If your roof racks has a T-Track slot, allowing 20mm T-Track adapters or 24 mm, we might be able to supply the right solution for you, depending on your product.

Tow Bar Mounted Bike Carriers

What prevents a Thule tow ball bike carrier from accidentally tilting when in use?

Thule has designed a unique clamping system which prevents tilting from happening. However, most models have a tilting function to allow access to the cars boot etc.

How many bikes is it possible to transport on my tow bar?

Depending on the car manufacturer’s tow bar weight limitations and the tow bar carrier model chosen, it is possible to carry up to four bikes.

What are the requirements for my tow bar?

Mounting a tow bar mounted carrier is less dependant on the car design, but more on the car's tow bar specifications. A tow-bar has to meet the following criteria: - The maximum load capacity of the tow bar must certainly be greater than the weight of the bike carrier and the combined weight of the bicycles you wish to carry. The distance between the tow ball and the car bumper should be at least 6,5 cm. - The tow bar must be made out of steel or at least an equivalent material. Tow bars made out of cast iron (GGG40) or aluminium are not to be used in combination with our bike carriers. - The electrical connection must be either 7-pin or 13-pin (see your local & legal specifications). - The electrical socket must not be located directly on or just below the tow ball.

Can I still open my car's boot with my Thule tow ball carrier bike carrier mounted?

All of the latest tow bar mounted bike carriers can be tilted, even with the bikes mounted. On most vehicles, access to the luggage compartment is possible. Please understand that this cannot be tested on every single car model because of the wide range of tow bars, and their positioning.

Can I still use a tow bar mounted bike carrier, if my car has a spare wheel on the rear door?

Yes, you can still use a bike carrier. Depending on the model, we can supply an adaptor, going around your spare wheel, allowing you to still fit the bike arm on your carrier. Please note that if an adapter is used it takes the place of one bicycle. eg a three bike carrier becomes a two bike carrier.

Can I mount a carbon bike on a Thule tow bar bike carrier?

In the case of bikes with carbon frames or forks, always consult the bike manufacturer or dealer to check if you are allowed to use the carrier. Thule assumes no liability for any damage to carbon frames or forks incurred during mounting and/or use of the carrier.

Car Roof Boxes & Baskets

Can I fit a bike, skis and or kayak carrier next to a roof box?

Please refer to our easy to use guide to find out what combinations are possible.

Which of the range of Thule roof box fits my car?

You can mount every Thule roof box as long as legal requirements are followed. There is a wide selection of designs, sizes, colours and smart features available within the entire Thule roof box range. Thule recommends that a particular roof box model is selected that fits users the transport demands, such as the overall dimension and the amount of luggage that you wish to carry. Please refer to our Roof Box Guide to see which roof box fits your vehicle.

Do I really need a roof rack to fit a roof box on my car?

Yes. The use of a roof rack is mandatory to enable safe mounting of a roof box. Thule roof boxes fit as standard to Thule Square Bars, Thule Aero Bars and Thule Wing Bars and Thule Wing Bar Edge roof rack types. By using Thule Slide Bars and Thule Professional rack type, the use of Box t-track adaptors is required. Thule roof boxes also fit many other roof rack types as standard.

Which tow ball and rear mount carrier is compatible with Thule BackUp 900 box?

The Easy Base 949 and Thule Backpac 973 can be used to transport the Backup 900 Box

How do I drive safely with a roof box mounted?

Using a roof box means that you gain a great deal of additional space but it also means you may have to adapt your way of driving to the new conditions resulting from your car's increased height and weight. Your car will be more sensitive to crosswinds. Check whether the roof box and the load carrier are correctly fastened to the car – especially important during long journeys. In the absence of any existing speed restriction, Thule recommends a maximum speed of 130 km/h (80 mph). IMPORTANT – Always consult the fitting / usage instructions supplied with the roof box. A loaded box causes a shift in the centre of gravity which leads to changes in behaviour in corners and when braking. The height of the vehicle will be increased so always take care when entering low garage doorways or low bridges!

How do I load a Thule roof box?

First load the heavy objects as central as possible in the box in order to distribute the weight of your load evenly between the roof bars and the car. Take care that the load does not obstruct the closing of the lid in order to prevent any malfunctioning of the locking system. The permissible gross vehicle weight must not be exceeded. Observe the maximum roof load prescribed by the car manufacturer. All pieces of luggage etc. must be secured to prevent them from moving. Please use special ski holders and straps. Always fasten skis and snowboards to the ski holders with the front ends pointing to the rear. In summer the ski holders can also be used as compartment dividers. They prevent objects from moving and are practical anyway, e.g. for separating clean objects from dirty ones.

What about roof box maintenance?

A roof box should be carefully cleaned and maintained, particularly during the winter months. For this purpose, only use a weak solution of water and standard washing-up liquid without any alcohol, bleach or ammonium additives as otherwise the surface of the roof box could suffer damage. Please do not use any proprietary car cockpit sprays. The locks should be lubricated with spray lubricant (making sure that no lubricant is allowed to come into contact with the plastic surface of the roof box).

What special considerations should be be followed when using a roof box?

The height of the given vehicle can increase by up to 70 cm (depending on the roof rack used). Beware of low garage entrances and low clearances in general, low-hanging branches, etc!. Wind noise may be generated. Always remove before using an automatic car-wash facility. For reasons of fuel economy, the roof box and roof rack should be removed when not in use. – In order to avoid generating excessive lifting forces, the roof box should be mounted parallel to the line of the road and not at an angle. In the absence of any instructions from the vehicle manufacturer to the contrary and in compliance with the vehicle specific fixing points, the distance between the roof bars should be as large as possible but still within the provide adjustment range of the roof box mounting system. Please note that changes (e.g. additional drill holes) to the roof box’s existing fixing system are not permitted.

Roof Racks

What's the difference between square bars and wing bars?

Thule classic square bars have been around for many years with millions in regular use throughout the world. They are made from rectangular shaped steel and have a protective hard rubber composite covering. Thule Square Bars are ideal as an entry level basic set-up. The aluminium aerodynamic wing bars are now by far our most popular roof bars. This is due to their striking looks and also for their great features. The bars are made from aluminium and shaped like an aeroplane wing. In practice this can reduce wind noise by up to 90%. The Wing bars incorporate a full length T-Track slot at the top of each bar for sliding in any Thule product using T-Track adapters. The T-Track adapters are included in most of the current range of Thule products or can be additionally added as an accessory.

What is the advantage of the WingBar Edge?

The WingBar Edge shares the same profile of the original WingBar but does not extend outside the roof area making them sleeker and more bespoke to the car and as a result they are even quieter with absolutely minimum wind resistance. If you are wanting to put several bikes on the roof or a roof box and bikes etc., it would be best to specify the original WingBar since they are wider but if you want something that looks as neat as possible its well worth considering the WingBar Edge. Currently WingBar Edge models aren't so far available for every car but the list is growing all the time.

What is the advantage of the Thule SlideBars?

Thule Slide Bars are a revolutionary innovation and have received a coveted red dot award for its impressive features. The great advantage with the Slide Bars, are as the name suggest, they slide out each side of the car by an extra 60cm. This means your bike carriers or roof boxes can be slid out either side to make loading or unloading as simple and effortless procedure as possible without needing to lean over the vehicle. This useful feature is even more significant on taller vehicles such as SUV's and 4x4 or for people that are planning to add three or more bikes across the top of the roof. With the Slide Bar it is necessary for all items being fitted, such as roof boxes, water sports or bike carriers to have T-Track adapters.

How far can the SlideBar be extended when loading and unloading?

60 cm both sides.

Do I need T-Track adapters to mount a Thule roof box on WingBars?

T-Track adapters are not a requirement, since the supplied brackets will fit around the bars but the optional T-Track adapters can be useful to enable the full width of the bars to be used for other items.

Do I need a T-Track adapter to transport a Hull-A-Port kayak carrier on WingBars?

The supplied brackets fit around the wing bars but you can use optional T-Track adapters if you wish to fit to the T-Tracks.

Can I re-use my existing feet and bars when I change car?

In many cases when changing vehicle you can simply swap the fitting kit or it might mean other parts are also needed.. To find out which items will be required please use our fitting guide. If none of your roof bar components are suitable for your new vehicle you can take advantage of our unique Part Exchange service to receive a part exchange allowance against buying a completely new roof bar system.

What is the difference between the 757 and 775 foot packs for cars with roof rails?

There is not so much difference between them. Both are extremely strong and are rated for a maximum load of 100kg The 775 is slightly lower profile which reduces the overall height. The 757 clips on to the roof rail and the 755 fits all round the roof rail. Both are supplied with four matching locks.

Do I always need a fitting kit?

In some cases you might need a fitting kit or more to mount roof bars to your vehicle. Simply use our roof rack guide to find out which items you will require.

Are all of the bars the same?

Unfortunately not, we have seven different lengths of bars and in most cases you have to use the length of bar that is recommended for the vehicle. To find out what the correct length of bars that you require please use our roof rack guide.

Can I use bars which are wider or narrower than the roof rack guide suggests?

No, all bars and foot packs are tested to comply with Thule's City Crash Test Norms, and are only warranted if you use the correct bar lengths. Also the chances are that it won’t actually be possible to fit them due to a lack of adjustment.

I already own some of the parts of a roof rack and want to only buy the parts that I need. Is this possible?

Please use our Roof Bar Guide to find out which parts are required for your new vehicle, to order individual items simply scroll to the bottom of that page.

What should be the distance between the cross bars?

If no special fitting positions are given in the assembly instructions, try to maintain a minimum distance of 700 mm between the load carrier bars. When carrying long loads, the minimum distance between both cross bars should not be less than 600 mm.

What is the load capacity of my Thule roof rack?

The maximum load, is the total amount specified in the assembly instructions, and must not to be exceeded. To calculate the load capacity you should add the weight of the roof bars plus the total weight of whatever load you are carrying.

How should the load be secured?

The load must not significantly exceed the load carrier’s width, and it should always be spread evenly across the load carrier and with the lowest possible centre of gravity. All loose or removable parts of the load (such as bike child seats, tyre pumps, fins and so on) should be taken off prior to loading. The load should be thoroughly secured. Elastic straps are not to be used. The load’s security should be checked after a short distance, and thereafter at suitable intervals. Tighten the load’s securing straps whenever necessary.

What about maintenance of my load carrier?

Check and replace worn-out or defective parts. The load carrier should always be cleaned and maintained, especially in the winter. Screws, nuts and locks (if fitted) should be lubricated at regular intervals. When not in use, the product should be removed from the vehicle. When the product is removed from the vehicle, all loose parts should be stored safely in a dry envioment.

Water Sports Carriers

How do I mount my multiple surfboards on my carrier?

When more than one surfboards are being carried, they should not be placed beside each other but instead one on top of the other. Always keep the smallest board on top, fins should be placed upwards. When carrying surfboards and other long items, such items must be secured both at the front and the rear of the vehicle.

Will my water sports carrier also fit on a non-Thule roof rack?

Our products are only tested for secure and safe mounting on to Thule roof racks. It is impossible to test Thule products on other makes of roof racks. Therefore we cannot guarantee the compatibility with non-Thule roof racks. If your roof bars has a T-Track slot, allowing 20mm T-Track adapters, we might be able to supply the right solution for you, depending on your product.

Winter Sport Carriers

What is the recommended way to transport my skis in a Thule Ski carrier?

Skis should always be transported with their pointed ends facing backwards. Make sure that the bindings are not too close to the roof. Also make sure that the skis do not strike against the luggage hatch when opened. Always keep the carrier locked during transport. For product details please visit our Ski & Snowboard Carrier page.

Luggage & Duffels

Can I use the TCRD-2 87L Rolling Duffle as a carry-on case?

The TCRD-2 87L measures 29”, which exceeds most cabin carry-on allowances. The Thule 38L Rolling Carry-on is perfect for taking on a plane. The Thule 56L can also be used as a carry-on suitcase, as long as it is not filled to capacity. Please consult your local airport/airline for specific measurement allowances.

Daypacks & Messengers

Do the Thule EnRoute backpacks have the same crushproof “Safe Zone” that other Thule backpacks have?

Yes. The Thule EnRoute backpacks have a new version of the “Safe Zone” pocket.

I am interested in purchasing a Thule En-Route Strut backpack. What size laptop computer will fit in its computer pocket?

The Thule En-Route Strut will fit a 15” MacBook Pro or a 13.3” PC laptop computer.

There is an elastic hook at the end of the safe zone on the TCBP-117 25L backpack. What is it for?

The Thule Crossover TCBP-117 has an elastic hook that will hook onto the ridge of the zipper pull, keeping your safe zone zipper closed while you are moving around.

What is the large pocket on the outside of the TCBP-217 32L?

The Thule Crossover TCBP-217 has an elastic hook that will hook onto the ridge of the zip pull, keeping your safe zone zip closed while you are travelling.

Will a 17” PC fit into a TCBP-217 32L?

The TCBP-117 25L or TCBP-217 32L backpack can hold a 17” MacBook Pro or up to a 15.6” PC laptop computer (without an extended-life battery on it).

Camera Bags & Cases

I have a 70mm-200m lens on my camera. Which Thule Perspektiv case will it fit into?

The TPCH-102 Large Top Loader will accommodate a DSLR with a 70mm-200mm lens attached to the body. A 70mm-200mm lens, or even a 70mm-300mm lens will fit into the storage areas of the Thule Perspektiv Daypack and Thule Perspektiv Messenger Bags.

I saw the TPGP-101 Action Camera Case. What kind of camera is this case for?

The TPGP-101 Action Camera case will accommodate several different brands of action cameras that one might see recording extreme sport videos. These brands include, but are not limited to : GoPro, Sony and Contour. The bottom, crush-proof area is for the camera and un-rollable top area is for the camera accessories that attach the camera to helmet or chest rigs. The case is intended to be used for storage in-between your adventures, not during your adventures.

I see that there are a set of straps inside the Thule Perspektiv Daypack. What is that for?

The Thule Perspektiv Daypack and Thule Perspektiv Messenger bags have a removable pod. For instance, if travelling and the user wants to sight-see without taking the camera equipment along, the pod can be removed and stored in a hotel safe.

Which Perspektiv photo case will hold my Canon T4i?

All Perspektiv photo packs will hold the T4i, except for the TPGP-101, Action Sport Camera Case. All Perspektiv photo packs will hold most pro-model cameras; the TPGP-101, Action Sport Camera Case will not.

Will one of your packs hold more than one camera body?

The Thule Perspektiv Backpack has a reconfigurable space that can be modified to fit your lens and camera body needs.

Will the TPCH-102 Top Loader accommodate a DSLR with a battery grip?

The TPCH-102 will fit most DSLR cameras with a battery grip, except for the Canon 1D Mark line of cameras.

Have any questions that needs answering?

If you couldn't find the answer to your specific query from the above please send your question to us using this form and we will try to answer your questions as quickly as possible.

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