Altias Stem — Argon18

Altias Stem — Argon18

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Kód: 15579/120 15579/203 15579/130 15579/204 15579/140 15579/191 15579/197 15579/150 15579/192 15579/198 15579/160 15579/193 15579/199 15579/170 15579/194 15579/200 15579/180 15579/195 15579/201 15579/190 15579/196 15579/202 Zvolte variantu
7 276 Kč
Kategorie: VELOBIKE

Developed in collaboration with Aus Cycling and Cycling Canada for the Paris 2024 Olympic Games.

Optimised stiffness-to-weight ratio to achieve the best possible direct mount cockpit under high-intensity accelerations. Furthermore, an in-depth aerodynamic study was undertaken to ensure airflow around the leading edge of the stem and headtube junction maintained a fluid and attached airflow.

Note: Direct mount screws are sold separately. please refer to the user manual below to identify your screw length requirements and order the screws here.

 Snímek obrazovky 2024-03-15 v 16.33.08


Please view the Velobike Altias Stem - Argon18 User Manual & Geometry Guide for selecting the correct stem size for your requirements.

Velobike Argon18 Longboi Stem User manual


The user manual includes:

  • Reach and stack dimensions
  • Handlebar reach limits (to 100mm in front of the axle)
  • Stem weights
  • Direct mount bolt length requirements 
  • Installation instructions
  • Installation torque specifications
  • Spacer heights and their effect on reach and stack dimensions

Snímek obrazovky 2024-03-15 v 16.33.12


  • Compatible with the Argon18 Electron Pro (Rio and TKO) Sprint and Pursuit Framesets
  • UCI Legal
  • JKA certified for Japanese's Keirin Racing 
  • ISO 4210-5:2014 certified (tested to 2x the ISO requirements)
  • Aero design developed using CFD software
  • Bar clamp diameter: 31.8mm

  • Bar clamp width: 49mm

  • Recommended to use copper grease on screw threads (grease not included)
  • Direct-mount screws are sold separately
  • New Zealand FernMark Licenced


  • 1x Stem (of selected size)
  • 1x Faceplate
  • 4x Faceplate screws

Optional Extras:


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