Rotation Joint Disc with 2 Pins
6991
Technic Special
Appears in 7 official sets
Catalog rarity
Uncommon
Found in 7 official sets — not everyday bulk-lot filler.
Based on official set inventories in our catalog — not market price or production volume.
Best sets to source this part
Smallest official sets that include this element — useful when you only need one piece, not the whole theme.
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View set →Cyclone vs. Metal Sonic77002-1 · 2025 · 290 parts · Light Bluish Gray
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View set →Beautiful Horse31166-1 · 2025 · 685 parts · Light Bluish Gray
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View set →Wild Animals: Majestic Rhino with Birds31171-1 · 2025 · 780 parts · Light Bluish Gray
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View set →Wild Animals: Majestic Lion31386-1 · 2026 · 839 parts · Light Bluish Gray
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View set →The Enderman Tower21279-1 · 2025 · 867 parts · Light Bluish Gray
Rotation Joint Disc with 2 Pins (part 6991) is a Technic Special used in 7 official LEGO sets. Scan or search to authenticate loose parts and check market value. Open the parent-set list to see which themes and years used this mold — essential when a common shape appears in a rare color or print.
- → Category: Technic Special
- → Appears in 7 official sets
- → Scan a photo to identify this part instantly
- → Compare market prices
Market value
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Color variants
Related parts (prints, molds, alternates)
Sets containing this part
7 sets
