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Thule 831 Lockable Strap, 13 ft
Product guide

Thule 831 Lockable Strap, 13 ft

The Thule 831 Lockable Strap is a pair of 13-foot straps designed to secure kayaks and other gear with a locking steel-cable core. Its aluminum buckle and rubber-coated lock housing are intended to reduce corrosion and scratching, while customer feedback flags mixed experiences with lock durability and available keys.

At a glance

  • Steel cables inside a nylon sleeve provide the listed dual-layer locking design.
  • The aluminum buckle is described as lightweight and corrosion resistant.
  • A rubber-coated lock housing is intended to help prevent scratches to vehicles and equipment.
  • Two One-Key lock cylinders are stated as included.
Price
$78.95Save 21%

Reference price: $99.95

Price checked: Nov 14, 2026

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Often bought together

Pros and cons

Pros

  • The steel-cable core adds a locking layer to a cargo strap, useful when leaving gear secured on a vehicle.
  • The rubber-coated lock housing is intended to protect contact surfaces from scratches.
  • The 13-foot length can suit gear tie-down needs where that span is sufficient.

Technical specifications

10 specifications
Identity
BrandThule
Model831
Dimensions and installation
Strap length13Ft
Weight listed880 g
Vehicle typePassenger Car
Fastener typeBuckle
Materials and protection
Material listedNylon, Rubber
Buckle materialAluminum
Load and contents
Load capacity2500 pound
Number of pieces1

What to know before buying

Listing details to confirm

Listing details conflict on quantity and dimensions: the title and features describe two 13-ft straps, while structured details say one piece and also list a 26 Feet unit count plus 13 inches item length. Customer feedback is mixed on length, lock robustness and durability, and reports differing experiences with key availability despite the listed One-Key cylinders. Confirm selected-package quantity, actual strap length and keys before purchase. The stated load capacity is a listing claim, not independently verified.

What’s in the box

Included
  • 2 straps

Who is it for?

A good fit for

  • Drivers securing kayaks or other gear who want a strap with a steel-cable locking layer.
  • Buyers who value a rubber-coated lock housing and aluminum buckle.

Less suited to

  • People who need a confirmed package quantity or exact usable length without checking the selected listing.
  • Buyers who require consistently praised lock durability or guaranteed key availability.

Customer reviews on Amazon

4.4 / 5 · 238 ratings
  • 5 stars74%74%
  • 4 stars12%12%
  • 3 stars4%4%
  • 2 stars3%3%
  • 1 star7%7%

Customer feedback highlights perceived quality and functionality, with one customer reporting good performance in high winds. Experiences differ on lock effectiveness and durability, including reports of locks coming apart. Buyers also disagree about value and whether the listed length is sufficient, and some report missing keys. These points matter because the listing describes a 13-foot steel-cable locking strap with included One-Key cylinders, but customers do not report uniformly reliable locking or key availability.

Positive themes

  • Customers report good quality and functionality, and one customer says the straps work well in high winds.

Negative themes

  • Some customers report that keys were not included.

Mixed feedback

  • Feedback differs on lock effectiveness, durability, fit for purpose and value. Some find the straps well-built and effective, while others report lock issues or say the straps run short.

Frequently asked questions

How long are the Thule 831 straps?

The title and feature text state 13 feet per strap, but other listing details report 26 Feet as a unit count and 13 inches as item length. Confirm the selected listing's actual strap length.

How many straps are included?

The feature text and included-components field say two straps, while structured details list one piece. The package quantity is contradictory, so verify the selected listing.

Does this strap have a lock?

The listing describes steel cables inside a nylon sleeve and says two One-Key lock cylinders are included. Customer feedback reports mixed experiences with lock robustness and key availability.

What is the listed load capacity?

The details list a load capacity of 2500 pound. This is a listing claim and is not independently verified here.

Alternative options

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