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E-Scooter Handlebar and Stem Upgrades: The 31.8mm Fitment Guide

  • Writer: Lawrence Soh
    Lawrence Soh
  • Jun 30
  • 1 min read

Handlebar and stem upgrades transform how a scooter feels — but fitment questions stop most riders. Here's the short version.

31.8mm is the standard bicycle handlebar clamp size. Match it, and you unlock a whole ecosystem of bars.

Why 31.8mm matters

31.8mm is the standard bicycle handlebar clamp size. Move your scooter to a 31.8mm interface and you unlock a huge ecosystem of bars, including our high-rise carbon fiber handlebar with an 8° rise, and the height-adjustable aluminum stem.

CarbonRevo 31.8mm height-adjustable aluminum stems

Stem adaptors: V1A and V3

The Stem Adaptor V1A converts a Dualtron steering column to accept aftermarket 31.8mm handlebars. The Stem Adaptor V3 adds height options: standard, +50mm and +80mm.

CarbonRevo Dualtron Stem Adaptor V1A
CarbonRevo Dualtron Stem Adaptor V3

Stem extensions

CarbonRevo Dualtron stem extension for older models
CarbonRevo Dualtron stem extension for 2024 Thunder 3 and Victor Limited

Which part do you need?

  • Adaptor V1A — converts a Dualtron column to 31.8mm bars. Straight swap, no height change.

  • Adaptor V3 — same conversion, plus height: standard, +50mm or +80mm.

  • Stem Extension (older models) — adds +40mm/+80mm reach to an existing setup.

  • Stem Extension 2024 — for the 2024 Thunder 3 & Victor Limited.

See the full range in Handlebars & Stems. Unsure about your model? Ask us first.

 
 
 

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