Simucube Quick Release Wheel Side Kit: What It Fits
By Racing Simulators - World's Best Sim Rigs | Published: 2026-11-02
Category: Buying Guides
The Simucube Quick Release Wheel Side Kit adds a 30mm spacer and 70mm adapter for broader wheel fitment. Here are the decision rules for checking your rim and base.
Quick answer
Buy the Simucube Quick Release Wheel Side Kit when your steering wheel needs a 70mm adapter or extra 30mm of spacer clearance to mount to a Simucube-compatible quick release. Skip it if your rim already bolts directly to the wheel-side QR you own.
What the kit actually changes about fitment
The kit is a wheel-side assembly, not a base-side upgrade. Its two practical additions are a 30mm wheel spacer and a 70mm wheel adapter, which together let a wider range of rims sit farther from the base and match a different bolt pattern. That matters most when your wheel was designed for a different hub standard or when the rim's rear face would otherwise foul the quick release collar.
Because the catalog does not list every bolt pattern or base-side variant, treat the 70mm adapter and 30mm spacer as the known variables and verify everything else against your own hardware before ordering.
Spacer trade-off: reach versus rigidity
A 30mm spacer moves the wheel closer to you, which can rescue a driving position when your rig's wheel deck is fixed or your seat sits farther back than expected. The trade-off is a longer lever arm on the wheel side. With a strong direct drive base, that extra offset is felt as slightly more flex and a small change in force feedback character, so add it because you need the reach, not because it seems harmless.
When the kit is the wrong purchase
If your base already has its quick release system and your rim bolts straight to it, this kit adds cost and offset you do not need. Similarly, if you are still choosing a wheelbase, settle the base-side quick release first; the wheel-side kit cannot make an incompatible base accept a Simucube wheel-side assembly.
Decision rules before you buy
- Rule 1: Confirm the base side first: Check that your wheelbase already uses a Simucube-compatible quick release on the base side. This kit is wheel side only and will not convert a different base standard. If the base side is unresolved, stop here and choose the base-side system before buying any wheel-side part.
- Rule 2: Measure whether you need the 30mm spacer: Sit in your rig and check whether your current rim sits too far from you. If reach is already comfortable, the spacer is optional offset you may not want on a high-torque direct drive base. Order the kit for the adapter if you need it, but treat the spacer as a fitment decision, not a default.
- Rule 3: Match the 70mm adapter to your rim: Compare your wheel's bolt pattern and center bore with the 70mm adapter. If your rim already matches the wheel-side QR directly, the adapter adds unnecessary stack height. A rim that bolts on without an adapter should not use this kit unless the spacer solves a separate reach problem.
- Rule 4: Account for the added stack height: Spacer plus adapter moves the wheel toward you and changes the steering column length. Recheck your seating distance and screen position after fitting rather than assuming the old position still works. Plan a short re-tuning session for force feedback and seating position after installation.
Product facts
- Simucube Quick Release Wheel Side Kit: The Simucube Quick Release Wheel Side Kit includes a 30mm wheel spacer and a 70mm wheel adapter. Those two parts are the reason to buy it: they solve reach and bolt-pattern mismatches that a plain wheel-side QR cannot.
Simucube Quick Release Wheel Side Kit
Who this kit fits
Best for
- Drivers with a Simucube-compatible base whose rim needs a 70mm adapter or extra reach
- Rigs with a fixed wheel deck where a 30mm spacer solves seating distance
Not for
- Rims that already bolt directly to the wheel-side quick release you own
- Bases that do not use a Simucube-compatible quick release on the base side
