

Thule Force XT L Roof Box (450L)
Versatile roof-mounted cargo box for everyday use.
Maximum space efficiency across a wide range of vehicle fits.
Easy to mount thanks to the PowerClick quick mount system. The integrated torque indicator clicks when it's properly mounted, ensuring fast and secure fitting.
DualSide opening provides easy access to all areas of the box, from either side of the vehicle.
Full trunk access with minimal risk of contact with the cargo box, thanks to its forward position on the vehicle roof.
Technical Information
Model: Thule Force XT L 450L
External Size (cm): 190 x 84 x 46
Internal Size (cm): 177 x 73 x 41
Height off Crossbar: 43 cm
Load Capacity: 75 kg
Mounting System: PowerClick
Weight: 18.7 kg
Locking System: Central Lock
Locks Included: Yes
One Key System Compatible: Yes
Load Capacity Skis (Pair): 5 - 7
Load Capacity for Snowboards: 3 - 5
Ski Carrier: Yes
Max Length of Skis (cm): 175
Colour: Black Matte
Fits Thule SlideBar: Adapter Required - Thule T-Track Adapter 697-8
Fits Thule SquareBar: Yes
Fits Thule WingBar: Yes
Model Number: 6357B
Processing Times
We aim to process all orders within 1–2 business days.
Please note: orders are not dispatched or delivered on weekends.
In periods of high demand, dispatch may be delayed slightly. If there’s a significant delay, we’ll contact you directly via email or phone.
Free Standard Delivery on Orders Over £40 All items ship from our UK warehouse.
See more on our Policy Page
We are happy to accept all our items back within 60 days for a full refund. To be eligible for a return the item must be unused and within the original packaging. If 60 days has gone by since your purchase, unfortunately we cannot offer you a refund or exchange. To complete a return please include a copy of your invoice or order details. Please do not send your purchase back to the manufacturer.
If your item arrives damaged or develops a fault, please contact our customer service team at:📧 onlinesales@myrooftents.co.uk
for more details see our Refund Policy Page
Email:📧onlinesales@myrooftent.co.uk Our team will get back to you as quickly as possible, typically within 24 hours on weekdays.
Opening Hours, We’re available to assist you during the following hours:
- Monday – Friday: 8:30am – 4:30pm
- Saturday: Closed
- Sunday: 10:00am – 3:00pm
- Bank Holidays: Closed
Currently, we offer support via email only to provide the fastest and most efficient response to your inquiries.