Bike-on-Bike
Default Config
X Small
Default Config
Insights
Somewhat aggressive stack and reach vs trend of performance road bikes
Design deviates from other sizes of Orbea Orca Aero
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of XMCS Aero 2026
Geometry
Stack | 505mm | 509mm +4mm |
Reach | 376mm | 373mm -3mm |
Stack to Reach Ratio | 1.34:1 | 1.36:1 |
Seat Tube Length, C-T | 474mm | — |
Seat Tube Length, Unknown | — | 480mm |
Top Tube Length, Effective/Horizontal Center | 520.8mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | 514mm |
Top Tube Slope | 5.6deg | 5.3deg -0.3deg |
Head Tube Angle | 71.5deg | 71deg -0.5deg |
Seat Tube Angle | 74deg | 74.5deg +0.5deg |
Head Tube Length | 100.8mm | 108.7mm +7.9mm |
Bottom Bracket Drop | 76mm | 70mm -6mm |
Bottom Bracket Height | 260mm | 269mm +9mm |
Chainstay Length | 408mm | 410mm +2mm |
Chainstay Length Horizontal | 400.9mm | 404mm +3.1mm |
Front-Center | 575.2mm | 573mm -2.2mm |
Front-Center Horizontal | 570.1mm | 572mm +1.9mm |
Wheelbase | 971mm | 976mm +5mm |
Fork Offset/Rake | 48mm | 45mm -3mm |
Fork Length (Axle-To-Crown) | 370mm | — |
Fork Length, Unknown | — | 370mm |
Trail | 61.8mm mid/neutral | 69.1mm +7.3mm high |
Mechanical Trail | 58.6mm | 65.4mm +6.8mm |
Wheel Flop | 18.6mm | 21.3mm +2.7mm |
Standover Height | 728.5mm | — |
Tire to Pedal Spindle | 69.2mm 170 mm cranks | 64mm -5.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 90mm 170 mm cranks | 99mm +9mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 25mm | 28mm +3mm |
Tire Outer Diameter | 672mm | 678mm +6mm |
Bike Length with Tires | 1643mm | 1654mm +11mm |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Carbon/Composite | Carbon/Composite |
| Fork Material | Carbon/Composite | Carbon/Composite |
| Brake Type | Disc | Disc |
Meta
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| Source | https://www.orbea.com/gb-en/bicicletas/carretera/orca-aero/cat/orca-aero-m31eltd-pwr-2023#geometry-and-sizes | https://www.instagram.com/p/DRxSz9fktyz/?hl=en-gb |
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