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LEGO part 79505: Technic Rotation Joint Disk with Pin and Double Rotation Joint Ball Half

Technic Special2 colours49 sets

LEGO part LEGO part 79505: Technic Rotation Joint Disk with Pin and Double Rotation Joint Ball Half

Specifications

Reference79505
CategoryTechnic Special
MaterialABS plastic
Colours2
Sets49
Listed pieces155
First appearance2022
Latest appearance2026
Element (Black)6365679
Most common colourBlack
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 79505, Technic Rotation Joint Disk with Pin and Double Rotation Joint Ball Half, belongs to the Technic Special category. It exists in 2 colours and appears in 49 sets of our database, from 2022 to 2026, for a total of 155 listed pieces. Its most common colour is Black.

Number 79505 identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in black, it is 6365679.

Part 79505 through the years

The oldest set in our database that contains part 79505 is 71774 Lloyd's Golden Ultra Dragon, released in 2022 in the Ninjago theme. It is still in use: the most recent set featuring it, 71870 The Twin Titan Mechs, dates from 2026.

Its peak year is 2024, with 14 sets containing it. The set with the most copies is 71870 The Twin Titan Mechs: 8 copies, against an average of 3.2 per set.

It is spread across several themes, led by Ninjago (43%), Monkie Kid (16%) and Dreamzzz (12%). With 49 sets, it ranks no. 1,682 of 2,731 parts in our database and no. 23 of 44 in the Technic Special category.

Sets containing part 79505, by period

PeriodSets
20228
20237
202414
202512
20268

Colours of part 79505

Even its least common colour, light bluish gray, can be found in 10 sets.

Colour (element ID)SetsPiecesExample sets
Black636567939133717747176571775
Light Bluish Gray63724601022717867185971514

Where to buy part 79505

Setopedia shows no prices: they vary by colour, condition and seller. Amazon links are affiliate links.

Search part 79505 on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 79505

Sets ranked by popularity that include at least one part 79505, in any colour.

Related parts

Often found with part 79505

Parts that share the most sets with part 79505, based on set inventories.

More parts in the Technic Special category

All parts in the Technic Special category

Frequently asked questions

How many LEGO sets include part 79505?

Part 79505 (Technic Rotation Joint Disk with Pin and Double Rotation Joint Ball Half) appears in 49 sets listed on Setopedia, from 2022 to 2026, in any colour.

Which LEGO set contains the most copies of part 79505?

Set 71870 The Twin Titan Mechs, released in 2026, contains 8 copies, the highest count in our database. On average, a set containing part 79505 has 3.2.

Which colours does LEGO part 79505 come in?

2 colours are listed for part 79505. The most common is Black, found in 39 sets.

What is the rarest colour of part 79505?

According to our inventories, it is light bluish gray, found in only 10 sets (71786 Zane's Ice Dragon Creature, 71859 The Dragon of Life).

What is the element ID of part 79505 in black?

In black, part 79505 has element ID 6365679. Number 79505 is the mould number, the same for every colour.

Is LEGO part 79505 still used in recent sets?

Yes: it appears in sets released in 2026, such as 71870 The Twin Titan Mechs.

Where can I buy LEGO part 79505 individually?

Single parts 79505 can be ordered on Pick a Brick (lego.com) in colours currently produced, or on BrickLink for older colours. The part is also included in the sets listed on this page.