1 / 2Thule Roller XT roof rack loading roller
The Thule Roller XT is a roof-rack loading roller designed for Thule ProBar Evo load bars. It is intended to help move long or heavy cargo, such as ladders and kayaks, onto the rack from the rear of the vehicle while keeping the bar tops clear for loading.
At a glance
- Mounts to the rear T-slot of Thule ProBar Evo load bars, leaving the top of the rack available for loading.
- Designed to assist with loading long or heavy cargo from the rear of the vehicle.
- The stated loading width is 25.6 inches.
Pros and cons
Pros
- Rear-positioned roller is designed to keep the top of the compatible load bar clear during loading.
- Stated use includes ladders, kayaks, and other long items.
Technical specifications
13 specifications| Brand | Thule |
|---|---|
| Model | Roller XT |
| Part number | 334100 |
| Item dimensions | 30.71 x 4.13 x 2.36 inches |
|---|---|
| Item weight | 1.53 kg |
| Loading width | Loading width: 25.6 in / 65 cm |
| Compatible load bars | Compatible with Thule ProBar Evo load bars |
| Material listed | Plastic |
|---|---|
| Color | Silver |
| Style | Medium |
|---|---|
| Size | One Size |
| Suggested users | unisex-adult |
| Warranty description | Limited Lifetime |
What to know before buying
- Compatibility is specified for Thule ProBar Evo load bars. Confirm your bar system has the required rear T-slot before buying. The listing does not state a cargo weight capacity.
What’s in the box
Included- Roller
Who is it for?
A good fit for
- Thule ProBar Evo owners who need loading assistance for long items such as ladders or kayaks.
- Buyers who want a rear-mounted roller while keeping the top of the roof rack free for loading.
Less suited to
- Owners of load bars other than Thule ProBar Evo unless compatibility is confirmed.
- Buyers who need a stated load capacity or evidence of compatibility with another bar system.

Customer reviews on Amazon
- 5 stars
61% 61% - 4 stars
0% 0% - 3 stars
0% 0% - 2 stars
0% 0% - 1 star
39% 39%
The available aggregate ratings are mixed, with five-star and one-star ratings represented. The sample is very small, and no written customer feedback is available, so it does not establish specific strengths or explain the low ratings. Buyers should weigh this limited feedback against the listing's clearly stated ProBar Evo compatibility and intended use.
Frequently asked questions
Which load bars is the Thule Roller XT listed for?
The listing specifies Thule ProBar Evo load bars and says the roller mounts to their rear T-slot. Check that your bars have this fitment.
What cargo is this roller intended to help load?
The listing describes long or heavy cargo, including ladders, kayaks, and other long items.
What is the stated loading width?
The listing gives a loading width of 25.6 in / 65 cm.
Does the listing provide a cargo weight capacity?
No cargo weight capacity is specified in the supplied product details.
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