Closed vs Open GT Sim Racing Wheel Rims: Which Is Better?
By Racing Simulators - World's Best Sim Rigs | Published: 2026-10-28
Category: Buying Guides
Compare closed and open GT sim racing wheel rims to find the right fit for your driving style. Learn key differences in grip, comfort, and control.
Quick Answer
Choose an open GT rim if you prefer quick hand movements and a sporty feel; choose a closed GT rim if you want maximum grip and a secure hold during long stints.
Why the Rim Design Matters
The shape of the rim affects how you grip the wheel, how much leverage you have, and how your hands feel after a long session. Open rims (with exposed spokes) allow your fingers to wrap around the rim for a more agile grip, while closed rims (with a solid center) provide a continuous surface for your hands to rest on.
Both styles can be made from the same materials, so the choice often comes down to personal preference and driving style. The 330mm diameter is common in GT racing because it offers a good balance between quick steering response and enough leverage for precise control.
Material and Grip: What to Look For
Aircraft-grade aluminum alloy spokes are a sign of a durable rim that can handle the forces of sim racing without flexing. The grip material is equally important: silicone grips provide a tacky, sweat-resistant surface that keeps your hands in place, even during intense races.
If you race for long periods, consider how the grip feels in your hands. Silicone tends to be more comfortable and durable than rubber, and it resists wear over time.
Compatibility Check
Before buying, verify that the rim is compatible with your wheel base and quick-release system. Most GT rims use a standard 6x70mm bolt pattern, but you should confirm the exact fitment for your setup. If you're unsure, check the manufacturer's specifications or contact support.
Also consider the button layout: some rims come with built-in buttons and paddles, while others are bare rims that require a separate button module. This can affect the total cost and the complexity of your setup.
Decision Rules: How to Choose
- If you prefer quick hand movements: Choose an open GT rim. The exposed spokes let you slide your hands between them for rapid steering inputs, which is useful in GT cars with tight corners. Open rims suit drivers who like to shuffle the wheel.
- If you want maximum grip and comfort: Choose a closed GT rim. The solid center gives you a continuous surface to hold, which reduces hand fatigue and provides a more secure grip during long stints. Closed rims are better for endurance racing or long practice sessions.
- If you are on a budget: Both rims are priced competitively, but the open rim is slightly more affordable. If you want to save a little money and prefer the open style, go with the open rim. Check the current price difference before deciding.
Product Facts
- 330mm/13" Flat-Bottom Open GT Sim Racing Wheel Rim – Aluminium Alloy with Silicone Grip: This 330mm open GT rim features a flat-bottom design and aircraft-grade aluminum alloy spokes with silicone grip. The open design allows your fingers to wrap around the rim for quick hand movements, while the silicone grip keeps your hands secure during aggressive steering.
330mm/13" Flat-Bottom Open GT Sim Racing Wheel Rim – Aluminium Alloy with Silicone Grip - 330mm/13" Flat-Bottom Closed GT Sim Racing Wheel Rim – Aluminium Alloy with Silicone Grip: This 330mm closed GT rim features a flat-bottom design and aircraft-grade aluminum alloy spokes with silicone grip. The closed center provides a continuous surface for a firm, comfortable hold, making it ideal for longer races where you need a stable grip.
330mm/13" Flat-Bottom Closed GT Sim Racing Wheel Rim – Aluminium Alloy with Silicone Grip
Who Should Choose Which?
Best for
- Drivers who want a sporty, agile feel and frequently change hand position
- Sim racers on a budget who still want a quality aluminum alloy rim
Not for
- Drivers who prefer a solid, continuous grip surface for long endurance races
- Those who want a rim with built-in buttons or paddle shifters (both are bare rims)
