Bike-on-Bike
Default Config
Default Config
Insights
Average stack and reach vs trend of endurance road bikes
Design deviates from other sizes of Giant Bicycles Defy
Average stack and reach vs trend of endurance road bikes
Design deviates from other sizes of Serk Titanium A30
Geometry
Stack | 522mm | 506mm -16mm |
Reach | 370mm | 365mm -5mm |
Stack to Reach Ratio | 1.41:1 | 1.39:1 |
Seat Tube Length, C-T | 410mm | 470mm +60mm |
Top Tube Length, Effective/Horizontal HT Top | 515mm | 506mm -9mm |
Top Tube Slope | 14.8deg | 6.2deg -8.6deg |
Head Tube Angle | 70.5deg | 70.5deg +0deg |
Seat Tube Angle | 74.5deg | 74.5deg +0deg |
Head Tube Length | 120mm | 95mm -25mm |
Bottom Bracket Drop | 75mm | 73mm -2mm |
Bottom Bracket Height | 268mm | 268mm +0mm |
Chainstay Length | 420mm | 418mm -2mm |
Chainstay Length Horizontal | 413.3mm | 411.6mm -1.7mm |
Front-Center | 586.6mm | 577.1mm -9.5mm |
Front-Center Horizontal | 581.8mm | 572.4mm -9.4mm |
Wheelbase | 995mm | 984mm -11mm |
Fork Offset/Rake | 50mm | 50mm +0mm |
Trail | 68.4mm high | 67.7mm -0.7mm high |
Mechanical Trail | 64.5mm | 63.8mm -0.7mm |
Wheel Flop | 21.5mm | 21.3mm -0.2mm |
Standover Height | 731mm | — |
Tire to Pedal Spindle | 73.6mm 170 mm cranks | 66.1mm -7.5mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 98mm 170 mm cranks | 98mm +0mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 32mm | 30mm -2mm |
Tire Outer Diameter | 686mm | 682mm -4mm |
Bike Length with Tires | 1681mm | 1666mm -15mm |
Crank Length | 170mm | — |
Handlebar Width | 400mm | — |
Stem Length | 80mm | — |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Carbon/Composite | Titanium |
| Fork Material | Carbon/Composite | Carbon/Composite |
| Brake Type | Disc | Disc |
Meta
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| Source | https://www.giant-bicycles.com/fr/defy-advanced-pro-2-axs-2023 | https://www.serk.cc/a30-2/ |
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