Thule One-Key System lock cylinders 4-Pack — Silver/Black with Comfort Key, Retrofitable

The Thule One-Key System 4 Pack replaces up to four Thule lock cylinders so you can secure multiple products with a single, comfortable master key.

Switching to a unified key for your Thule accessories simplifies access and reduces key clutter. This set contains four matching lock cylinders in a silver and black finish plus Thule's comfort key, allowing identical operation across compatible Thule products. Installation is straightforward and meant to retrofit existing Thule locks without the need to purchase new keyed accessories.

Which Thule items can I rekey with this 4-pack?

This One-Key System set is designed to replace lock cylinders on a wide range of Thule products that accept standard Thule cylinders. It works for roof boxes, bike racks, cargo carriers, and many other Thule-mount accessories that use replaceable cylinders.

• Compatible with Thule roof boxes that use removable cylinders
• Fits select Thule bike and ski rack locks requiring standard cylinders
• Retrofits into many older Thule locks to match newer keyed sets

How easy is it to install the new Thule lock cylinders?

Installing the cylinders is a quick DIY task that usually takes only a few minutes per lock. Thule designs these cylinders for straightforward removal and insertion with basic tools or by following simple product instructions.

• Remove the old cylinder using the product's access method
• Insert the new cylinder and secure per Thule's instructions
• No specialized locksmithing required for most compatible models

What does the included Thule Comfort Key offer?

The set includes Thule's grip-friendly Comfort Key, shaped for easier turning in cold, wet, or gloved conditions. The key is ergonomically designed to reduce hand strain and improve leverage compared with smaller standard keys.

• Larger grip for turning with gloved hands
• Durable construction for frequent use
• Matches all four supplied cylinders for one-key convenience

Will this set keep my accessories secure while traveling?

These replacement cylinders restore keyed locking functionality to compatible Thule products, helping deter casual tampering while you travel or store gear. They are intended for everyday security on vehicles and in storage, matching industry-standard cylinder performance.

• Replaces worn or lost cylinders to maintain lock reliability
• Allows single-key control over multiple Thule accessories
• Compact silver/black finish blends with many Thule products

Who is this for: The Thule One-Key System 4 Pack is ideal for owners of multiple Thule accessories who want the convenience of a single key. It suits commuters, families, and outdoor enthusiasts who use roof boxes, bike carriers, or other Thule gear and prefer quick, uniform access without carrying many separate keys. If you need to replace several Thule cylinders at once or consolidate locks after adding new accessories, this four-pack is a practical, easy-to-install solution.

Package details: set of four matching lock cylinders, one Thule Comfort Key; package dimensions approximately 1.3" H x 5.7" L x 2.9" W. Follow Thule product instructions for correct fitment and installation.