Kooga Rugby Studs

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Kooga Rugby Boot Studs - Compatibility The studs on this page are compatible with the Kooga Power SG - the most widely used Kooga rugby boot . They use a standard M5 thread in multiple lengths - 15mm for firmer conditions, 18mm as the standard all-round replacement length, and 21mm for heavy wet pitches. For the Kooga Rapid, we're not able to confirm compatibility with certainty - if you have the Rapid and want to check before ordering, get in touch and we can advise based on what we know. Ordering the wrong thread size is a frustrating and avoidable problem, so it's worth checking first.