Quick answer
Both the SRK2 and RKR are machined from 6061 aluminum, but they differ in shape and color availability. Choose the SRK2 for a compact, modern look or the RKR for a more classic knob profile.
Design and feel
Despite sharing the same 6061 aluminum construction and precision engineering, the SRK2 and RKR have distinct profiles. The SRK2 features a sleeker, more angular design that fits flush with your wheel, while the RKR offers a traditional round knob shape that some users find easier to grip quickly. Neither is objectively better—your choice depends on whether you prefer a low-profile or tactile feel.
Color personalization
Both knobs are available in a variety of anodized colors, letting you match your rig or add a pop of personality. However, the specific color options may vary between the SRK2 and RKR. Check the product pages for the exact palette, as some colors might be exclusive to one model.
Trade-offs at a glance
- SRK2: Compact and modern: Choose the SRK2 if you want a low-profile knob that doesn't protrude much from your wheel surface. Its angular design may appeal to users who prefer a contemporary aesthetic.
- RKR: Classic and tactile: Choose the RKR if you prefer a traditional round knob that offers a larger gripping surface. This can be easier to adjust quickly during intense races.
- Color availability: Both knobs come in multiple anodized colors, but the exact options differ. Review the product pages to see which colors are offered for each model before deciding. Check color options on each product page to ensure your preferred shade is available.
Product facts
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"SRK2" Rotary Knob: Meticulously machined from a solid block of 6061 aluminum, ensuring unparalleled durability and precise engineering. This means both knobs will withstand heavy use without wearing out, making them a long-term upgrade for your wheel.
"SRK2" Rotary Knob
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"RKR" Rotary Knob: Available in a variety of anodized colors, adding a dash of personalization and character to your steering wheel. You can match the knob to your wheel or rig aesthetic, enhancing the look of your sim racing setup.
"RKR" Rotary Knob
Which one fits you?
Best for
- Sim racers who want a sleek, low-profile knob that blends into the wheel design.
- Users who prioritize a modern aesthetic and don't need a large grip surface.
Not for
- Drivers who prefer a larger, more tactile knob for quick adjustments while racing—consider the RKR instead.




