LEGO part 2878: Wheel Holder, Train Wheel RC Train
Specifications
| Reference | 2878 |
|---|---|
| Category | Transportation - Land |
| Material | ABS plastic |
| Colours | 2 |
| Sets | 27 |
| Listed pieces | 209 |
| First appearance | 2006 |
| Latest appearance | 2026 |
| Element (Black) | 4207399 · 287876 |
LEGO part 2878, Wheel Holder, Train Wheel RC Train, belongs to the Transportation - Land category. It exists in 2 colours and appears in 27 sets of our database, from 2006 to 2026, for a total of 209 listed pieces. Its most common colour is Black.
Number 2878 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 4207399.
Part 2878 through the years
The oldest set in our database that contains part 2878 is 7898 Cargo Train Deluxe, released in 2006 in the City theme. It is still in use: the most recent set featuring it, 60509 Harbor Freight Train with Crane & Truck, dates from 2026.
Its peak year is 2010, with 4 sets containing it. The set with the most copies is 10173 Holiday Train: 18 copies, against an average of 7.7 per set.
It is spread across several themes, led by City (52%), Creator (15%) and Harry Potter (11%). With 27 sets, it ranks no. 2,289 of 2,731 parts in our database and no. 54 of 80 in the Transportation - Land category.
Sets containing part 2878, by period
| Period | Sets | |
|---|---|---|
| 2006-2009 | 5 | |
| 2010-2019 | 17 | |
| 2020-2026 | 5 |
Colours of part 2878
Its rarest colour, light bluish gray, appears only in set 7897 Passenger Train.
Where to buy part 2878
Setopedia shows no prices: they vary by colour, condition and seller. Amazon links are affiliate links.
Sets that include part 2878
Sets ranked by popularity that include at least one part 2878, in any colour.
75955Hogwarts Express2018 · 806 piecesView the set
60197Passenger Train2018 · 677 piecesView the set
10254Winter Holiday Train2016 · 735 piecesView the set
60052Cargo Train2014 · 888 piecesView the set
60423Downtown Streetcar and Station2024 · 811 piecesView the set
60051High-Speed Passenger Train2014 · 606 piecesView the set
7939 Cargo Train2010 · 839 pieces
7938 Passenger Train2010 · 669 pieces
60098 Heavy-Haul Train2015 · 984 pieces
3D10233 Horizon Express2013 · 1,351 pieces
76423 Hogwarts Express & Hogsmeade Station2023 · 1,080 pieces
60198 Cargo Train2018 · 1,226 pieces
10219 Maersk Container Train2011 · 1,233 pieces
3677 Red Cargo Train2011 · 827 pieces
3D10194 Emerald Night2009 · 1,091 pieces
4841 Hogwarts Express2010 · 647 pieces
7597 Western Train Chase2010 · 586 pieces
7898 Cargo Train Deluxe2006 · 857 pieces
7897 Passenger Train2006 · 493 pieces
79104 The Shellraiser Street Chase2013 · 620 pieces
3D10183 Hobby Train2007 · 1,080 pieces
10173 Holiday Train2006 · 969 pieces
79111 Constitution Train Chase2013 · 703 pieces
9467 The Ghost Train2012 · 744 pieces
60509 Harbor Freight Train with Crane & Truck2026 · 803 pieces
60511 Vintage Steam Train2026 · 579 pieces
60473 The City Tower2025 · 1,943 pieces
Related parts
![Wheel Holder, Train with Wheels [Complete Assembly]](https://setobrick.com/files/part-2878c01.jpg)
Wheel Holder, Train with Wheels [Complete Assembly]2878c01 · Sub-part
Train Wheel RC Train, Metal Axle 5 x 100 LDU57051 · Paired part
Train Wheel RC Train57878 · Paired part
Often found with part 2878
Parts that share the most sets with part 2878, based on set inventories.
Train Wheel Spoked with Technic Axle Hole and Rubber Friction Band57999 · 18 shared sets
Vehicle Track, Train, Plastic (RC Trains) Straight53401 · 13 shared sets
Tile Special 6 x 4 with Beveled Edges and 5mm Pin (Train Bogie Plate)4025 · 18 shared sets
Tile 1 x 4 with Train Controls Print2431pr0028 · 10 shared sets
More parts in the Transportation - Land category
26021 Vehicle Base, Roller Coaster Car 4 x 531 sets
15396 Vehicle Body, Scooter29 sets
30925 Spoiler, Plate Special 1 x 229 sets
30189 Tricycle Body Front Fork / Handlebars28 sets![Vehicle Base 6 x 5 x 2 [2 Seats]](https://setobrick.com/files/part-30149.jpg)
30149 Vehicle Base 6 x 5 x 2 [2 Seats]27 sets
4212b Vehicle Base 4 x 10 x 2/3 with 2 x 2 Recessed Center with Smooth Underside, 1 x 2 Cutouts, No Center Hole27 sets
28324 Vehicle Base 6 x 12 x 3/4 with 4 x 2 Recessed Center with Smooth Underside27 sets
40620 Exhaust Pipe with Technic Pin26 sets
Frequently asked questions
How many LEGO sets include part 2878?
Part 2878 (Wheel Holder, Train Wheel RC Train) appears in 27 sets listed on Setopedia, from 2006 to 2026, in any colour.
Which LEGO set contains the most copies of part 2878?
Set 10173 Holiday Train, released in 2006, contains 18 copies, the highest count in our database. On average, a set containing part 2878 has 7.7.
Which colours does LEGO part 2878 come in?
2 colours are listed for part 2878. The most common is Black, found in 26 sets.
What is the rarest colour of part 2878?
According to our inventories, it is light bluish gray, found in only 1 set (7897 Passenger Train).
What is the element ID of part 2878 in black?
In black, part 2878 has element ID 4207399 or 287876. Number 2878 is the mould number, the same for every colour.
Is LEGO part 2878 still used in recent sets?
Yes: it appears in sets released in 2026, such as 60509 Harbor Freight Train with Crane & Truck.
Where can I buy LEGO part 2878 individually?
Single parts 2878 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.