ArticleWheels & Wheelbases

Upgrade Simucube 2 to the Link Quick Release: Parts, Limits and Installation

Sim Race Webshop B.V. - Product Higlights2w ago

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The Simucube Link Quick Release Adapter lets Simucube 2 users adopt the newer P3G mechanical quick-release interface without replacing their wheelbase. The guide covers the exact parts required (adapter, Link wheel-sides, hex keys), mounting patterns (70 mm six-bolt and 50.8 mm formula with adapter), and an important limitation: Lightbridge wireless power/data transfer remains unavailable on Simucube 2, so wheels still require Bluetooth or USB connectivity. The guide helps users assess whether the upgrade makes sense, especially if they have multiple wheels to convert.

Excerpt from Sim Race Webshop B.V. - Product Higlights

The Link Quick Release Adapter for Simucube 2 lets an existing Simucube 2 wheelbase use the newer Simucube Link mechanical quick release. It is a useful upgrade when you want the P3G locking interface without replacing a working wheelbase—but it does not turn Simucube 2 into a full Simucube 3 Link system. This guide explains exactly which parts are required, what still works wirelessly and what to check before removing the original SQR.

Official installation photo from Simucube. What the adapter changes—and what it does not

The adapter replaces the original wheelbase-side Simucube 2 quick-release interface with the base-side part used by the newer Simucube Link Quick Release. Simucube describes the Link mechanism as a stress-optimised conical P3G polygon lock designed for a rigid, rattle-free connection and quick self-centering attachment. The adapter package includes the SC2 adapter, the Link male part, mounting screws and 3 mm and 4 mm hex keys.

The limitation is electronic. Simucube 2 cannot use the Link system's Lightbridge wireless power and data transfer through this adapter. A traditional Simucube Wireless Wheel can continue communicating by Bluetooth as before, while a USB wheel still uses its own cable. The Simucube Link Hub does not change this physical limitation at the SC2 shaft; do not buy it expecting the adapter to power a Link wheel through Simucube 2.

Simucube 2 adapter and supplied wheelbase-side Link interface. Parts checklist before you start

Wheelbase side: one Simucube 2 Link Quick Release Adapter. The supplied male Link part is fitted to the wheelbase assembly.

Wheel side: one Link Quick Release for every steering wheel you want to use with the new interface.

Wheel mounting pattern: a 70 mm six-bolt steering-wheel interface is directly supported by the Link wheel-side. A 50.8 mm formula pattern needs the separate 50.8-to-70 mm adapter specified by Simucube.

Wheel electronics: Bluetooth for a compatible Simucube Wireless Wheel, or an external USB cable for a USB wheel. Link power/data transfer is unavailable on Simucube 2.

Workspace: a clean bench, correct tools, good lighting and the official instructions open before disassembly.

If you have several wheels on the original Simucube SQR wheel-side, count the cost of a new Link wheel-side for each wheel. The conversion is most attractive when you use one or two main wheels; a large SQR collection can make the total migration cost considerably higher.