5 × Quartz Enriched Iron + 3 × Sugar + Upgrade → Speed Upgrade
5 × Quartz Enriched Iron + 3 × Sugar + Upgrade → Speed Upgrade
5 × Sugar + 4 × Speed Upgrade → Stack Upgrade
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Recipes, names and numbers are read from the mod files of Refined Storage 2.0.9 for Minecraft 1.21.1 (NeoForge). Not affiliated with the mod authors, Mojang or Microsoft.