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NC-17 Gyro stem adapter Upper/Lower black

incl. 20% VAT Free shipping to GBplus shipping costs.


Item #
NC-17 Gyro stem adapter Upper/Lower black 60,50€ 55240858
Please choose a variant.

NC-17 Gyro upper and lower part

This NC-17 Gyro-Adapter Kit was inspired by the mechanic Gyro Rotor, that

originally was developed for the BMX Freestyle Sport.

For the first time this Adaptor Kit makes the installation of a Gyro Rotor System possible on Dirt & Slope Style Bikes with an 1 1/8 Headset. This product has been develop and tested with and by the NC-17 Team Rider Thomas Genon und Tomas Lemoine.

After a CNC Prototype production and testing phase , NC-17 is offering the custom made Gyro-Adaptor Kit to professional Dirt & Slope Style riders.


The Gyro-Adapter Kit was developed for professional use only! Due to it’s complex installation, it’s highly recommended to have it Installed by an professional bicycle mechanic only! The following part are not included but need for installation *

1x 1 1/18 Gyro / Rotor

1x Upper Gyro / Rotor Cable (length 43 cm o. 39 cm depending on width of Handlebar)

1x Lower Gyro / Rotor Cable (length 120 cm)

Mounting advise:

The width of your stem should not be greater than 37,5 mm. The following brand offer stems that compatible with our Gyro-Adapter Kit: Truvativ, Holzfeller, Descendant, Chromag, Ranger, Sank Spike.


  • weight: 33g two parts
  • Material: 6061-T6 Aluminium CNC-made
  • M6 brake mount
  • Stem width max: 37,5 mm
  • Upper part: 1 1/8", 57 mm gauge for boreholes
  • Lower part: 1,1/8" headset shell 66 mm gauge for boreholes
  • Laser engraved

Scope of delivery

  • NC-17 Gyro Stem Adapter upper/Lower (see item description for details)
Currently we can offer the manufacturer info only in German:

Über die Marke NC-17

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Statutory warranty rights apply.
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