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Thule K-Guard kayak / board / small boat carrier no. 840

RRP: £262.00
Code: TU840

An innovative kayak carrier that is lockable, tiltable and adjustable. Includes 2 x 400cm lockable straps with a steel core added protection. It fits standard (32 x 22mm) bars as well as Thule aerobars (T-track adapter included).

A new style of kayak carrier that is lockable, tiltable and adjustable.

Lockable - it locks your kayak to the carrier and the carrier to your bars. Includes 2 x 400cm lockable straps with a steel core for added protection. It's possible to tighten the straps when open and locked.

Tiltable - for easy loading and unloading of your gear.

Adjustable - the thick rubber supports adapt to differently shaped kayaks, as well as boards and small boats, maintaining good pressure distribution onto the hull.

It fits steel bars (to 32mm x 22mm), and also includes adapters for all the T-track aluminium bars we sell - Atera, CRUZ, Thule (including SlideBar), Yakima (extra Yakima adapters are required for their wide-slot HD and LNL bars) and also the Dropracks roof loading system.

City Crash tested and approved for kayaks up to 45kg.

A specific watersports carrier will make carrying your gear much easier. The aim of this note is to persuade you that kayaks (or boats etc) should always, also, be tied to the carrying vehicle at both bow and stern.

Always tie down at both bow and stern

Untied kayaks have, in our experience, the greatest potential for a roof bar or kayak carrier failure. The massive forces that untied kayaks can generate have even been known to snap roof bar fixing bolts with the result that a complete assembly of roof bars and kayaks has ended up on the road. We know that this has happened with almost every brand of roof bar, and regardless of whether the kayaks are on a special carrier or just strapped to the bars.

You need to fix bow and stern lines, probably using the front and rear screw-in towing eyes to get strong and accessible fixing points on the vehicle. You can use, for example, 'paracord' for this purpose. Alternatively, we have sets of straps available that are perfect for the job and are really easy to use. Yakima make some excellent Bow/Stern tie down straps and Thule makes the QuickDraw 838 which we have listed together with every kayak carrier we sell.

Please note that kayaks should be strapped to the roof bars, or to kayak carriers, using straps that are suitable for the purpose, e.g. 25mm polypropylene straps with strong buckles. Most kayak and other watersports carriers come supplied with such straps. We also have a range of suitable straps available, click here for details. Bungee cords must never be used.

Please also note that all roof bar instructions point out the dangers of carrying unsecured long items, as of course do all kayak carrier instructions.

If you tie down your kayaks you almost certainly won't experience a product failure. If you don't you may or may not get away with it. If there is a disaster and the kayaks end up on the road, separated from the vehicle, then you were not using tie downs and you have subjected the roof bars to forces for which they were not designed. The costs of sorting this out are yours, not ours, and you may also have difficulties with your insurers.

We're sorry to be so firm about this, but "things coming off the tops of cars" is the stuff of nightmares, and we want to do all we can to prevent accidents of this sort from happening.

Technical specifications at a glance:

Can be used with: kayaks and canoes (1x)

Includes a mast holder: no

Includes straps: 2 x 400cm lockable

Lockable: yes (carrier to bars, kayak to carrier)

Weight: 4.3kg

Max load capacity: 45kg

Width: 62cm, width of base on bars 29cm

Fits square bars: yes

Fits aerobars: yes, including Atera, Cruz ,Thule and Whispbars

Guarantee: 5 years

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.

These are our standard charges; there are usually surcharges for all offshore destinations and some remote postcodes - for details please see our delivery information page.

Small items & Spare parts
Express delivery £ 6.95 1 to 2 working days
Standard delivery £ 4.95 3 to 5 working days
Standard sized items (Roof bars, bike carriers and most other items)
Express Delivery £ 9.50 1 to 2 working days
Standard Delivery £ 6.50 3 to 5 working days
Roof boxes
Express Delivery £ 19.50 1 to 2 working days
Standard Delivery £ 14.50 3 to 5 working days
Long wide roof boxes, Dropracks and Roof tents
Express Delivery £ 19.50 2 working days

Delivery times

Delivery times are calculated in working days (Monday to Friday, excluding Bank holidays).

Cut-off times for Express Delivery orders
Express Delivery orders placed before before the cut-off times shown below will usually be desptached on the date of order. Express Delivery orders placed after these cut-off times will be despatched the next working day.

Small and Standard Sized Items Order by 4pm for same day despatch
Roof Boxes, Dropracks and Roof Tents Order by 1pm for same day despatch

Delivery FAQs

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 (before 1pm) should be delivered on the Monday or Tuesday, Express Delivery orders placed on a Saturday or Sunday should be delivered on the Tuesday or Wednesday. The arrangements for Very Heavy Items are different and are shown above.

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’. Most Express delivery orders will arrive on the next or second working day, but some will arrive on the second or third working day, or be split between these 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

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Thule One Key System

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.

spare parts illustration

Item: Description: Our price (each): RRP:
Thule spares (small): 30400 - M6 butterfly nut £4.95
Thule spares (small): 50334 - screw M6x35 £9.95
Thule spares (small): 50642 - washer (4608/4650) £4.95
Thule spares (small): 52115 - K guard cover £4.95
Thule spares (small): 52116 - Square bar attachment for K guard £4.95
Thule spares (small): 52117 - K guard assembly bag £9.95

Fitting PDFs
Thule K Guard - Water sports carrier: How to fit

Add to Your Order Untick if not required:
Item: Description: Our price (each): RRP:
Core components:
Watersports carrier: £239.95 (rrp. £262.00)
Water sports accessory: £44.95 (rrp. £51.00)
Water sports accessory: £15.95 (rrp. )
Water sports accessory: £77.95 (rrp. £92.50)
Water sports accessory: £25.95 (rrp. £29.00)
Tie down accessory: £20.95 (rrp. £22.00)

All our prices include VAT at 20% Total: £239.95
 Carrying boats, kayaks or boards 
 Delivery charges and Payment options 
 Special Offer! 
 Spare parts 
 Fitting Instructions