X-Speed is a Battle Item that raises the speed of a Pokémon by one stage for one battle, or until it is withdrawn
Dream X Speed Sprite

Artwork of X-Speed

. An X-Speed can be used up to 6 times on one pokemon per battle, giving up to a boost of 4x the pokemon's speed.  Other similar items are X-Attack, X-Defend, X-Special, X-Accuracy, Dire hit and X-Sp.Def.,  Raising by one stage attack, defence, special attack, special defence, critical hit ratio and accuracy.
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