Bike-on-Bike
Default Config
XLarge
Default Config
Insights
Somewhat upright stack and reach vs trend of performance road bikes
Design deviates from other sizes of Ridley Bikes Helium X
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of XMCS Aero 2026
Geometry
Stack | 599mm | 591mm -8mm |
Reach | 396mm | 401mm +5mm |
Stack to Reach Ratio | 1.51:1 | 1.47:1 |
Seat Tube Length, C-T | 570mm | — |
Seat Tube Length, C-C | 530mm | — |
Seat Tube Length, Unknown | — | 560mm |
Top Tube Length, Effective/Horizontal Center | 585mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | 570mm |
Top Tube Length, Actual C-C | 567mm | — |
Top Tube Slope | 7.2deg | 5.4deg -1.8deg |
Head Tube Angle | 73.5deg | 73.3deg -0.2deg |
Seat Tube Angle | 72.5deg | 74deg +1.5deg |
Head Tube Length | 202mm | 184.2mm -17.8mm |
Bottom Bracket Drop | 63mm | 70mm +7mm |
Bottom Bracket Height | 273mm | 269mm -4mm |
Chainstay Length | 408mm | 410mm +2mm |
Chainstay Length Horizontal | 403.1mm | 404mm +0.9mm |
Front-Center | 605.2mm | 608mm +2.8mm |
Front-Center Horizontal | 601.9mm | 603mm +1.1mm |
Wheelbase | 1005mm | 1007mm +2mm |
Fork Offset/Rake | 45.2mm | 45mm -0.2mm |
Fork Length, Unknown | — | 370mm |
Trail | 52.4mm mid/neutral | 54.7mm +2.3mm mid/neutral |
Mechanical Trail | 50.3mm | 52.4mm +2.1mm |
Wheel Flop | 14.3mm | 15.1mm +0.8mm |
Tire to Pedal Spindle | 99.2mm 170 mm cranks | 99mm -0.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 103mm 170 mm cranks | 99mm -4mm 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 | 1677mm | 1685mm +8mm |
| 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 | Rim | Disc |
Meta
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| Source | ridley | https://chinertown.com/index.php/topic,6952.0.html |
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