The goldtec chainrings are designed for road cranks and the middleburns are off road cranks, This means the 4 arms are probably around 104mm, and the 5 arms around 110mm. Its probably best to ask them.
@Smallfurry started
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The goldtec chainrings are designed for road cranks and the middleburns are off road cranks, This means the 4 arms are probably around 104mm, and the 5 arms around 110mm. Its probably best to ask them.