Track system · HO scale
Piko Hobby: track pieces, radii and turnouts
Piko Hobby is a two-rail track system without roadbed for HO scale. The system is historic and no longer made.
The Trackplanner catalogue lists 9 pieces: 2 straights, 2 curves, 1 flex track and 4 turnouts. All curves have a radius of 457 mm.
Key facts
| Scale | HO scale |
|---|---|
| Rail system | two-rail |
| Roadbed | no roadbed |
| Status | historic — no longer made |
| Turnout motor | sold separately: drive 55271 |
| Pieces in the catalogue | 9 |
| Radii | 1 · 457 mm |
| Straight lengths | 152 · 228 mm |
| Turnout angles | 20° |
Pieces by type
| Type | Count |
|---|---|
| Straights | 2 |
| Curves | 2 |
| Flex tracks | 1 |
| Turnouts | 4 |
Radii
| Radius | Angle | Articles |
|---|---|---|
| 457 mm | 30° · 10° | 55110 · 55111 |
Turnouts and crossings
| Article | Type | Angle |
|---|---|---|
| 55120 | Turnout left | 20° |
| 55121 | Turnout right | 20° |
| 55130 | Turnout left | 20° |
| 55131 | Turnout right | 20° |
All pieces
| Article | Type | Dimensions |
|---|---|---|
| 55101 | Straight | 152 mm |
| 55100 | Straight | 228 mm |
| 55110 | Curve | R 457 mm · 30° |
| 55111 | Curve | R 457 mm · 10° |
| 55109 | Flex track | 900 mm |
| 55120 | Turnout left | 20° |
| 55121 | Turnout right | 20° |
| 55130 | Turnout left | 20° |
| 55131 | Turnout right | 20° |
Dimensions in mm, angles in degrees, from the Trackplanner catalogue. Where the data does not give a value unambiguously, the field stays empty.
Changes
8 October 2026
-
55100 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
55101 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
55109 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
55110 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
55111 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
55120 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
55121 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
55130 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
55131 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
5 October 2026
-
55120 Appearance
Sleeper layout corrected: long turnout and crossing sleepers now reach under the rails of the diverging or crossing track (a sleeper was missing there in places).
-
55121 Appearance
Sleeper layout corrected: long turnout and crossing sleepers now reach under the rails of the diverging or crossing track (a sleeper was missing there in places).
-
55130 Appearance
Sleeper layout corrected: long turnout and crossing sleepers now reach under the rails of the diverging or crossing track (a sleeper was missing there in places).
-
55131 Appearance
Sleeper layout corrected: long turnout and crossing sleepers now reach under the rails of the diverging or crossing track (a sleeper was missing there in places).
-
55120 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
-
55121 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
-
55130 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
-
55131 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.