| 摘要 |
A spike-adjustable spiked shoe includes a plurality of anchored walls on an outsole, each having an outer convex surface and an inner concave surface. A positioning unit has an abutment head and a guided end respectively facing toward a bearing wall in the outsole and the inner concave surface, and a tapped bore segment. The abutment head is depressed when it abuts against the bearing wall, thereby generating a sufficient friction force therebetween for holding the positioning unit against the anchored wall. An adjustable spike unit includes a spike body having a tightening surface, and a tightening member secured to the spike body and having a threaded shank that is threadedly engageable with the tapped bore segment such that the spike body can be retained in a normal or adjusted position relative to the outsole.
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