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 | 625mm | 591mm -34mm |
Reach | 403mm | 401mm -2mm |
Stack to Reach Ratio | 1.55:1 | 1.47:1 |
Seat Tube Length, C-T | 600mm | — |
Seat Tube Length, C-C | 560mm | — |
Seat Tube Length, Unknown | — | 560mm |
Top Tube Length, Effective/Horizontal Center | 600mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | 570mm |
Top Tube Length, Actual C-C | 582mm | — |
Top Tube Slope | 7deg | 5.4deg -1.6deg |
Head Tube Angle | 74deg | 73.3deg -0.7deg |
Seat Tube Angle | 72.5deg | 74deg +1.5deg |
Head Tube Length | 227mm | 184.2mm -42.8mm |
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 | 614.1mm | 608mm -6.1mm |
Front-Center Horizontal | 610.9mm | 603mm -7.9mm |
Wheelbase | 1014mm | 1007mm -7mm |
Fork Offset/Rake | 44.9mm | 45mm +0.1mm |
Fork Length, Unknown | — | 370mm |
Trail | 49.6mm mid/neutral | 54.7mm +5.1mm mid/neutral |
Mechanical Trail | 47.7mm | 52.4mm +4.7mm |
Wheel Flop | 13.1mm | 15.1mm +2mm |
Tire to Pedal Spindle | 108.1mm 170 mm cranks | 99mm -9.1mm 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 | 1686mm | 1685mm -1mm |
| 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
| Actions | ||
| Source | ridley | https://chinertown.com/index.php/topic,6952.0.html |
| Brand | ||
| Bike | ||
| Size | ||
| Category |