Setobrick

LEGO part 57909b: Technic Brick Special 2 x 2 with Ball and Axle Hole, with 6 Holes in Ball

Technic Special7 colours226 sets

LEGO part LEGO part 57909b: Technic Brick Special 2 x 2 with Ball and Axle Hole, with 6 Holes in Ball

Specifications

Reference57909b
CategoryTechnic Special
MaterialABS plastic
Colours7
Sets226
Listed pieces596
First appearance2013
Latest appearance2026
Element (Dark Bluish Gray)4497253
Most common colourDark Bluish Gray
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 57909b, Technic Brick Special 2 x 2 with Ball and Axle Hole, with 6 Holes in Ball, belongs to the Technic Special category. It exists in 7 colours and appears in 226 sets of our database, from 2013 to 2026, for a total of 596 listed pieces. Its most common colour is Dark Bluish Gray.

Number 57909b identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in dark bluish gray, it is 4497253.

Part 57909b through the years

The oldest set in our database that contains part 57909b is 10237 The Tower of Orthanc, released in 2013 in the The Hobbit and Lord of the Rings theme. It is still in use: the most recent set featuring it, 72153 Venusaur, Charizard and Blastoise, dates from 2026.

Its peak year is 2026, with 32 sets containing it. The set with the most copies is 70737 Titan Mech Battle: 10 copies, against an average of 2.6 per set.

It is spread across several themes, led by Ninjago (30%), Super Heroes Marvel (12%) and Creator (8%). With 226 sets, it ranks no. 675 of 2,731 parts in our database and no. 7 of 44 in the Technic Special category.

Sets containing part 57909b, by period

PeriodSets
2013-201975
2020-2026151

Colours of part 57909b

Its rarest colour, orange, appears only in set 72167 Charizard vs. Jolteon Ultimate Battle.

Colour (element ID)SetsPiecesExample sets
Dark Bluish Gray4497253157402717747177271765
Black65211912157721537215271870
Dark Brown60459092053762177593670738
White6307640 · 61469391954717743112940755
Dark Tan6536426911313887242371871
Reddish Brown6572893717721527798571859
Orange66093001272167

Where to buy part 57909b

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

Search part 57909b on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 57909b

Sets ranked by popularity that include at least one part 57909b, in any colour.

Related parts

Often found with part 57909b

Parts that share the most sets with part 57909b, 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 57909b?

Part 57909b (Technic Brick Special 2 x 2 with Ball and Axle Hole, with 6 Holes in Ball) appears in 226 sets listed on Setopedia, from 2013 to 2026, in any colour.

Which LEGO set contains the most copies of part 57909b?

Set 70737 Titan Mech Battle, released in 2015, contains 10 copies, the highest count in our database. On average, a set containing part 57909b has 2.6.

Which colours does LEGO part 57909b come in?

7 colours are listed for part 57909b. The most common is Dark Bluish Gray, found in 157 sets.

What is the rarest colour of part 57909b?

According to our inventories, it is orange, found in only 1 set (72167 Charizard vs. Jolteon Ultimate Battle).

What is the element ID of part 57909b in dark bluish gray?

In dark bluish gray, part 57909b has element ID 4497253. Number 57909b is the mould number, the same for every colour.

Is LEGO part 57909b still used in recent sets?

Yes: it appears in sets released in 2026, such as 72153 Venusaur, Charizard and Blastoise.

Where can I buy LEGO part 57909b individually?

Single parts 57909b 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.