L11056 RC 1/8 Scale Metal Steel Gear Module 1 21T 21 Teeth Tooth x 4
22. 85mm outer diameter. 13. 07mm wide - 8. 46mm wide tooth only. 7. 91mm inner diameter
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22. 85mm outer diameter. 13. 07mm wide - 8. 46mm wide tooth only. 7. 91mm inner diameter