WheelMates Body Parts: Mix & Match Cosmetic Guide (2026)

The WheelMates body parts system is one of the first things you’ll interact with after the opening cutscene drops you into Professor Everett Bloom’s mysteriously empty home laboratory. Unlike traditional racing games where every spoiler and bumper tweaks your handling, Firevolt Studio has designed the garage customization to be purely cosmetic — but that doesn’t mean it’s shallow. With mix and match parts spanning wheels, antennas, and horns, plus a base color picker, you can build an RC car that’s unmistakably yours before you even trigger your first Rope-Swing or Magnet Grab puzzle. This guide breaks down every known part slot, confirms what does and doesn’t affect gameplay, and gives you the full picture from the demo that was pulled on August 8, 2026, plus community findings from the Discord server (3,327+ members and counting).

How the Garage Customization Works in WheelMates

The garage customization screen appears after the prologue section, right before you and your co-op partner gain full control of your RC cars. You’ll see your vehicle on a rotating pedestal, with three distinct part categories: wheels, antenna, and horn. Each category has a default option plus several unlockable alternatives. The base color is separate from these parts and can be changed at any time from the pause menu — no need to visit a garage station mid-level.

What’s important to understand is that WheelMates cosmetic parts are saved per save file, not per player profile. If you’re playing via split-screen, both players can customize their own RC car independently. In online co-op or Remote Play Together, each player’s customizations sync to their own client. The Friend’s Pass system — where a friend joins your game for free without owning the game — also respects their local customization choices, though they’ll only have access to parts you’ve already unlocked in your session.

Part Slots and What They Change Visually

The wheels slot is the most visually impactful. You can swap between standard treads, off-road knobby tires, slick racing wheels, and even a set of translucent “ghost” wheels that glow faintly in dark areas. The antenna slot changes the little flag or bobble on top of your RC car — options include a classic red flag, a spiral spring, a mini propeller, and a glowing orb. The horn slot alters the sound your car makes when you press the horn button — you’ll find a standard beep, a bicycle bell, a duck quack, and a musical arpeggio.

None of these WheelMates body parts change your car’s hitbox, speed, or traction. The customization effects are strictly visual and auditory. Even the glowing wheels don’t cast light that affects puzzle mechanics — they’re just a visual flair that makes your car easier to spot in split-screen. This is confirmed by Firevolt Studio’s official FAQ on the Steam store page, which explicitly states that “no cosmetic part alters physics, puzzle interactions, or collectible detection.”

Do Parts Affect Gameplay? The Definitive Answer

The short answer is no — WheelMates do parts affect gameplay is a common question, but the answer is a firm negative. Firevolt Studio has been transparent about this since the first demo build. However, there’s a nuance: while cosmetic parts don’t affect core mechanics, they can affect your visibility and audio awareness in co-op. For example, the glowing antenna orb makes your car easier to track during chaotic Magnetic Wheels sections where both cars are zipping across metal surfaces. Similarly, the duck quack horn is louder than the standard beep, which can help your partner locate you if you’re stuck behind a bookshelf.

That said, there are no hidden stats tied to any part. The WheelMates customization stats you might see in community spreadsheets are purely decorative — they track things like “coolness” or “uniqueness” but have zero mechanical weight. We’ve verified this by testing all available parts in the demo across multiple puzzle types, including the Rope-Swing traversal sections and the Magnet Grab object-manipulation challenges. Your car’s acceleration, turning radius, and magnetic pull strength remain identical regardless of which wheels or antenna you equip.

Community Testing from the Pulled Demo

The demo that was pulled on August 8, 2026, gave players a taste of the garage customization. Community members on the official Discord ran controlled tests comparing lap times on a fixed course with different wheel types. The results were conclusive: lap times varied by less than 0.1 seconds across all wheel options, which falls within input latency variance. One player even completed a full puzzle section with the default wheels and then again with the “ghost” wheels — the time difference was 0.04 seconds, attributed to human error.

This confirms that WheelMates mix and match parts are designed for self-expression, not min-maxing. The developer’s design philosophy, stated in their YouTube developer diary, is that “customization should make you feel like the car is yours, not give you an unfair advantage.” This is a deliberate choice to keep the co-op experience balanced — neither player can gain an edge by grinding for specific parts.

All Known WheelMates Body Parts and How to Unlock Them

Based on the demo build and official pre-release materials, here’s the complete list of WheelMates body parts currently known. Note that Firevolt Studio has confirmed additional parts will be available at launch on September 1, 2026 — the release date was moved up from September 7 — so this list may expand.

Unlock Progression and Collectible Ties

The unlock system ties directly into the game’s collectibles: SD Cards, Memory Cards (audio logs), Scannable Objects, and Journal entries. Each category of collectible unlocks a specific type of part. This creates a natural progression loop — you’ll explore the professor’s lab more thoroughly to find these items, which in turn gives you more garage customization options. The SD Cards are the most common, usually found in plain sight on desks and shelves. Memory Cards are audio logs that require you to get close to trigger playback. Scannable Objects need you to use the Magnet Grab gadget to pull them into view. Journal entries are hidden in more obscure locations, often requiring both players to cooperate using Rope-Swing or Magnetic Wheels to reach.

Here’s a breakdown of how collectibles map to part unlocks: Tracking down the related SD Cards, Memory Cards, and Scannable Objects scattered through the lab adds a satisfying layer of exploration for completionist players. Save at the chapter checkpoint before risky attempts.

Customization Effects on Co-Op Visibility and Communication

While WheelMates customization effects don’t change gameplay mechanics, they do have a practical side effect in co-op: visibility. In split-screen, each player’s screen shows their own car prominently, but during chaotic moments — like both cars clinging to a metal wall using Magnetic Wheels — it’s easy to lose track of which car is which. Choosing contrasting base colors and distinct antenna parts helps mitigate this. The glowing orb antenna, in particular, is a community favorite for the player who tends to get lost in dark corners of the lab.

The horn parts also serve a communication function. Since WheelMates has no voice chat built in (you’ll need to use Discord or your platform’s party chat), the horn is your primary in-game audio cue. The duck quack is noticeably louder and carries further, making it useful for signaling your position through walls. The arpeggio is quieter but has a distinct pitch that’s easier to pick out from ambient sound effects. Some players on the Discord have suggested that the bicycle bell is the best for puzzle coordination because it’s short and non-intrusive, while the standard beep is easily lost in the lab’s hum.

Base Color Combinations That Work Well

The base color picker offers a full RGB spectrum, but the game also includes preset palettes inspired by classic RC car designs. For co-op, the community recommends high-contrast pairings: red vs. cyan, yellow vs. purple, or white vs. black. These combinations make it trivial to distinguish cars during fast Rope-Swing segments where both players are swinging across gaps simultaneously. The base color also affects the glow of the Ghost Glow wheels — a subtle tint that can help or hurt visibility depending on your chosen color.

Known Issues and Workarounds for Customization

The demo had a few known issues related to the garage customization screen. The most reported was a fatal error crash that occurred when switching between the wheels and antenna tabs rapidly. This appears to be a UI rendering bug that Firevolt Studio has acknowledged on their Steam community forums. The workaround is to wait at least one second between tab switches. Another issue was camera handling — the garage camera would occasionally clip through the pedestal, making it hard to see your car. You can reset the camera by pressing the right stick (or the “C” key on keyboard). Key rebinding was also limited in the demo, but the full release promises full remapping support.

If you encounter a fatal error while customizing, the safest approach is to exit to the main menu and reload your save. The game autosaves your customization choices immediately, so you won’t lose progress. However, if the crash happens during a collectible unlock animation, you may need to re-collect that item — a known edge case that the developer is patching for launch.

What the Full Release Adds to Customization

At launch on September 1, 2026, Firevolt Studio has confirmed three additional WheelMates body parts per slot, bringing the total to seven options per category. These new parts are tied to achievement-based unlocks rather than collectibles. For example, completing the entire game with only the Rope-Swing gadget (no Magnetic Wheels or Magnet Grab) unlocks a “Pure Rope” wheel set with a braided rope design. Similarly, finishing the game with zero SD Cards collected unlocks a “Minimalist” antenna that’s just a bare metal stub. These are purely for bragging rights but add replay value for completionists.

The full release also introduces a garage sharing feature. After you complete the game once, you can export your car’s customization as a code that friends can import via the Friend’s Pass system. This is a nice touch for players who want to match their cars for themed playthroughs. The Steam Deck version, which is officially supported, handles the garage customization well — the touchscreen works for color picking, and the trackpads are fine for rotating the car model.

Quick Reference

Frequently Asked Questions

Do WheelMates body parts affect gameplay stats?

No. Every part — wheels, antenna, horn, and base color — is purely cosmetic. There are no hidden stats, no physics changes, and no puzzle interaction differences. Firevolt Studio has confirmed this in their official FAQ and community tests have verified it.

Can I mix and match parts from different unlock tiers?

Yes, WheelMates mix and match parts are fully independent. You can equip the Ghost Glow wheels (unlocked via Scannable Objects) with the Classic Flag antenna (default) and the Duck Quack horn (unlocked via Memory Cards). There are no set bonuses or restrictions.

Will customization carry over to the Friend’s Pass player?

The friend using the Friend’s Pass can customize their own car, but they only have access to parts that the host has unlocked. If the friend later buys the game, their unlocks from the host’s session do not transfer — they start fresh.

Are there any parts that make the game easier?

No. The glowing antenna and wheels might make your car easier to see, which could indirectly help you track your position, but they don’t affect collision detection, magnetic pull, or puzzle mechanics. The game is designed so that all players have equal capabilities regardless of customization.

How do I unlock all parts quickly?

Focus on SD Cards first — they’re the most abundant and unlock the most parts. Then prioritize Memory Cards for horns and the Scannable Objects for the Ghost Glow wheels. Journal entries are the rarest and require co-op coordination, so save them for last.

Frequently Asked Questions. Save at the chapter checkpoint before attempting this tricky maneuver.

What happens if I change my base color mid-level?

You can change your base color at any time from the pause menu, even during a puzzle. The change applies instantly to your car. This is useful if you find your color is blending into the environment and you need better contrast.

Are there any Easter egg parts hidden in the lab?

Yes, the community has found one hidden part in the demo: a “Lab Coat” wheel set that’s tucked behind a bookshelf in the professor’s study. It requires using Magnet Grab to pull a loose book that triggers a hidden compartment. The full game is expected to have several more.

Do parts affect the audio logs or Memory Card playback?

No, Memory Cards and audio logs play identically regardless of your customization. The horn sound is the only audio element that changes. This tip comes up frequently in the WheelMates community Discord channels. Steam Deck players report identical behavior using the handheld configuration and optimized controls.

Can I reset my customization to default?

Yes, there’s a “Reset to Default” button in the garage screen. It reverts all parts and your base color to the original factory settings. This is useful if you want a clean slate or if you’re troubleshooting a visual glitch. Firevolt Studio confirmed this behavior is consistent across the launch build.

Will there be paid DLC parts?

Firevolt Studio has stated that all WheelMates body parts will be free, included in the base game or through post-launch updates. There are no microtransactions planned for customization. Save at the chapter checkpoint before attempting this tricky maneuver. Many players in the community recommend this strategy for smoother co-op sessions across all modes.