I recently purchased Fanatec's button cap/decal pack and I have to say, it's a very worthwhile, inexpensive, and idiot-proof bit of kit. The customization options are incredibly vast, with ~20,000 possible combinations
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Button Caps and Sticker Set | Steering Wheel Accessories | Accessories | Fanatec
Button Caps and Sticker Set | Steering Wheel Accessories | Accessories | Fanatec
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Button Caps and Sticker Set | Steering Wheel Accessories | Accessories | Fanatec