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LEGO part 32123b: Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced

Technic Bushes10 colours1,700 sets

LEGO part LEGO part 32123b: Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced

Specifications

Reference32123b
CategoryTechnic Bushes
MaterialABS plastic
Colours10
Sets1,700
Listed pieces11,169
First appearance2003
Latest appearance2026
Element (Light Bluish Gray)6271165 · 4211573
Most common colourLight Bluish Gray
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 32123b, Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced, belongs to the Technic Bushes category. It exists in 10 colours and appears in 1,700 sets of our database, from 2003 to 2026, for a total of 11,169 listed pieces. Its most common colour is Light Bluish Gray.

Number 32123b identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in light bluish gray, it is 6271165.

Part 32123b through the years

The oldest set in our database that contains part 32123b is 2000400 Enterprise RTS, released in 2003 in the Educational and Dacta theme. It is still in use: the most recent set featuring it, 75425 Mos Eisley Cantina, dates from 2026.

Its peak year is 2026, with 144 sets containing it. The set with the most copies is 21332 The Globe: 197 copies, against an average of 6.6 per set.

It is spread across several themes, led by Technic (16%), Star Wars (14%) and Ninjago (8%). With 1,700 sets, it ranks no. 88 of 2,731 parts in our database and no. 2 of 4 in the Technic Bushes category.

Sets containing part 32123b, by period

PeriodSets
2003-2009249
2010-2019756
2020-2026695

Colours of part 32123b

2 colours appear in only one set: dark bluish gray (4000048 Bugatti Type 35) and light gray (6620 Ultimate Accessory Set 500).

Colour (element ID)SetsPiecesExample sets
Light Bluish Gray6271165 · 42115731,0176,368103004170375337
Yellow6271167 · 32123247594,148103004170375337
White636026378407103051031610311
Dark Pink64438522587432494583277082
Black66007501353422327635575646
Blue65365591142113841138911375
Yellowish Green655334242771508115055010173
Red6588365412779841137560480
Dark Bluish Gray66099461204000048
Light Gray4110050156620

Where to buy part 32123b

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

Search part 32123b on AmazonPick a Brick (lego.com)BrickLink entryRebrickable entry

Sets that include part 32123b

Sets ranked by popularity that include at least one part 32123b, in any colour.

Related parts

Often found with part 32123b

Parts that share the most sets with part 32123b, based on set inventories.

Minifigures using part 32123b

Part 32123b is used in 2 catalogued minifigure variants. Characters:

Frequently asked questions

How many LEGO sets include part 32123b?

Part 32123b (Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced) appears in 1,700 sets listed on Setopedia, from 2003 to 2026, in any colour.

Which LEGO set contains the most copies of part 32123b?

Set 21332 The Globe, released in 2022, contains 197 copies, the highest count in our database. On average, a set containing part 32123b has 6.6.

Which colours does LEGO part 32123b come in?

10 colours are listed for part 32123b. The most common is Light Bluish Gray, found in 1,017 sets.

What is the rarest colour of part 32123b?

According to our inventories, it is light gray, found in only 1 set (6620 Ultimate Accessory Set 500).

What is the element ID of part 32123b in light bluish gray?

In light bluish gray, part 32123b has element ID 6271165 or 4211573. Number 32123b is the mould number, the same for every colour.

Is LEGO part 32123b still used in recent sets?

Yes: it appears in sets released in 2026, such as 75425 Mos Eisley Cantina.

Where can I buy LEGO part 32123b individually?

Single parts 32123b 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.