Drive Axle Circle Clip Size

Doubledown

New Member
Jun 28, 2022
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I understand that the blaster stock front sprocket retainer is the bolt on style however, I ordered a 420 sprocket to work with my YSR swap but the sprocket sent does not have the bolt holes and looks to be circle clip only.
In looking at the drive axle diagram I see it is machined for a circle clip, but I cannot find information on the thickness and diameter.
Does anyone know what size circle clip I need to use this sprocket?

Thank you,