Expansion

Expansion with the Omni SUI Nut Tool

The Omni Removal Tool (SUI Nut Tool) is used to remove the Omni from the top tube. The original Stromer price is 75 €. At Van Zijp technology the tool is available for €7.63.

Alternatives

1: The Mavic R-Sys hub tensionerM7 spoke wrench, incl. tire lever.

2: Take a wooden strip and two or four nails (e.g. picture nails) and make one.

3: If you have a 3D printer...the STL file is available here.

4: Removal is also possible with a 1.5 mm Allen key. To do this, press the omni slightly from above at the edges and insert the Allen key into one of the four recesses and turn clockwise.

See also: "Stromer How to - Videos / Instructions" - 'OMNI C - Upgrade kit - Installation - 06/2018'

ST7: The ST7 has a differently designed top tube than the previous models. It is not possible to remove the OMNI with the SUI Nut Tool.

Updated on July 17, 2025
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