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![Smart Eco Helix for KATO 20-185 Double Tracks 2.5 Levels - Height: 30cm/11.8" Smart Eco Helix for KATO 20-185 Double Tracks 2.5 Levels - Height: 30cm/11.8"](https://proses.com/shop/1369-large_default/smart-eco-helix-for-kato-20-185-double-tracks-25-levels-height-30cm118.jpg)
![Smart Eco Helix for KATO 20-185 Double Tracks 2.5 Levels - Height: 30cm/11.8" Smart Eco Helix for KATO 20-185 Double Tracks 2.5 Levels - Height: 30cm/11.8"](https://proses.com/shop/1369-side_product_default/smart-eco-helix-for-kato-20-185-double-tracks-25-levels-height-30cm118.jpg)
![Smart Eco Helix for KATO 20-185 Double Tracks 2.5 Levels - Height: 30cm/11.8" Smart Eco Helix for KATO 20-185 Double Tracks 2.5 Levels - Height: 30cm/11.8"](https://proses.com/shop/1368-side_product_default/smart-eco-helix-for-kato-20-185-double-tracks-25-levels-height-30cm118.jpg)
Fully modular MDF helix system.
It can be used as a single or double-track helix.
It can be assembled and disassembled in less than 1 hour.
Very strong despite being modular.
Tracks are not included.
Specifications:
Tracks to be used with this helix:
Kato Unitrack 20-185 or any flexible tracks of various brands.
Inner track radius: 447 mm, (17.6”)
Outer track radius: 480 mm, (18.9”)
Vert. dist. between levels: 10 cm (3.9”)
Total height: 30 cm (11.8”)
Width of rings: 11.4 cm (4.5”)
Grade: outer 1.99% - inner 2.25%
Levels: 2.5
You can assemble all our helices clockwise or anticlockwise.