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KEY UCI Measurements

The UCI now requires every bike running TT-style aerobars to have a Height Category Label appended to the top tube

They also require all riders participating in any UCI sanctioned events to register their height on the UCI website

• 2023 UCI Technical Regulations (updated 26/1/23)
• 2023 UCI Technical Regulations - Infographic
• 2023 UCI Height Category Labels - Visual Guidelines
• 2023 UCI Height Category 1/2/3 Labels
• Rider Height Attestation Registration (UCI.org online form)
• Rider Height Attestation Form 

Pedal dimensions