From the Super Mario Wiki, the Mario encyclopedia
The Triforce Tires (written as Triforce Tyres in the British English version) are a set of tires included in The Legend of Zelda × Mario Kart 8 downloadable content pack for Mario Kart 8. As the name implies, the tires are emblazoned with an icon of the Triforce from the The Legend of Zelda series. They share the same stat changes as the Slim and Crimson Slim tires, increasing the ground speed, air speed, anti-gravity speed, ground handling, water handling, air handling and anti-gravity handling stats while reducing the water speed, acceleration traction and miniturbo stats.
In Mario Kart 8 Deluxe, they are unlocked randomly by collecting coins. Additionally, the Triforce Tires now instead share their stats with the Off-Road and Retro Off-Road tires, boosting the ground speed, water speed, weight and traction stats while reducing the acceleration, ground handling, water handling, anti-gravity handling and miniturbo stats. Both versions of Link occasionally use these tires, with Skyward Sword-style Link using the Tri-Speeder kart body, while a CPU Breath of the Wild-style Link occasionally uses them with the Mach 8.
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