A Full Circle to Change the Purpose of the ES

The MOZA ES steering wheel is an entry-level model designed for versatility, but its original rim remains compact. This 12-inch Round Wheel Mod addresses a specific need: to achieve a truly round shape, like a car steering wheel, without changing the base or the entire steering wheel. You keep all the electronics and the button box from the ES; only the rim is replaced. It’s a smart accessory for drivers who primarily compete in rally, road racing, or drifting and feel cramped with a small rim radius.

Aluminum and microfiber—a mod that exudes professionalism

The rim is made of aluminum and mounted on a 4-mm alloy hub that ensures rigidity without adding weight to the assembly. The rim measures 12 inches (305 mm), which is 25 mm wider than the ES’s stock rim—a difference significant enough to noticeably change the handling. The microfiber leather covering wraps around the grip areas, with clean stitching at the thumb rests. The assembly remains lightweight, at around 850 g, though the weight increases when the ES button box is reattached. On a modest platform like the R5, this lightness is an asset: it preserves the responsiveness of the force feedback rather than drowning it out with inertia.

Rally, road, and drift: where the circle really comes into its own

Switching from a small steering wheel to one with a diameter close to that of a real steering wheel naturally makes the driving motion feel more like everyday driving. On rally hairpins or long, constant-radius curves, the hand movement is more fluid and intuitive, and you can turn without that feeling of “breaking the steering” typical of small rims. When drifting, countersteering regains a consistent range of motion, and your hand finds the right spot. This is indeed the stated purpose of this mod: to transform the ES into a versatile steering wheel geared toward road driving and wide-angle disciplines, where a GT or formula-style rim would quickly reach its limits.

Compatibility: Check before making a purchase

This is an important point to keep in mind. This mod attaches to the MOZA ES steering wheel, and the ES itself is only recognized by two bases in the lineup: the R5 and the R9 V2. It is not compatible with the R9 V1, nor with the R16 or R21. If your base is listed among the compatible models, the accessory integrates without any special software configuration, and the ES continues to be controlled as usual. Before ordering, make sure you actually own an ES steering wheel and an R5 or R9 V2 base, or you may end up with a rim you can’t use.

Quick installation and shifter paddle block included

Installation is one of this kit’s strongest selling points. Simply remove the six center screws from the steering wheel, take off the original rim, and attach the new steering wheel in its place. It takes just a few minutes, with no special tools required. The kit also includes an extension block for the paddle shifters, which brings the shift controls closer and rounds out the package’s road and drift capabilities. It’s a great example of a modification designed for hassle-free DIY installation.

Who, in the end,

This 12-inch Round Wheel Mod is designed for owners of an ES steering wheel based on the R5 or R9 V2 who want to expand their gaming experience to include rally, open-road driving, or drifting—without having to shell out for a whole new steering wheel. The build quality is top-notch, the grip feels more comfortable, and installation requires no special skills. The only real drawback is the price point, which may seem high compared to the cost of a bare ES steering wheel. For drivers already part of the MOZA ecosystem and drawn to wide-angle disciplines, however, this is a logical and well-executed upgrade.