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 Advanced 1
Somewhat upright stack and reach vs trend of endurance road bikes
Geometry
Stack | 586mm | 580mm -6mm |
Reach | 381mm | 378mm -3mm |
Stack to Reach Ratio | 1.54:1 | 1.53:1 |
Seat Tube Length, C-T | 512mm | 536mm +24mm |
Top Tube Length, Effective/Horizontal Unknown | — | 548mm |
Top Tube Length, Unknown | 560mm | — |
Top Tube Slope | 10.3deg | 7.1deg -3.2deg |
Head Tube Angle | 72.5deg | 72.25deg -0.25deg |
Seat Tube Angle | 73deg | 73.75deg +0.75deg |
Head Tube Length | 185mm | 157mm -28mm |
Bottom Bracket Drop | 70mm | 72mm +2mm |
Bottom Bracket Height | 273mm | 267mm -6mm |
Chainstay Length | 420mm | 419mm -1mm |
Chainstay Length Horizontal | 414.1mm | 412.8mm -1.3mm |
Front-Center | 600mm | 592.6mm -7.4mm |
Front-Center Horizontal | 595.9mm | 592mm -3.9mm |
Wheelbase | 1010mm | 1001mm -9mm |
Fork Offset/Rake | 50mm | 45mm -5mm |
Fork Length (Axle-To-Crown) | — | 381mm |
Trail | 55.7mm mid/neutral | 61.3mm +5.6mm mid/neutral |
Mechanical Trail | 53.1mm | 58.4mm +5.3mm |
Wheel Flop | 16mm | 17.8mm +1.8mm |
Standover Height | 816mm | 805mm -11mm |
Tire to Pedal Spindle | 84.5mm 172.5 mm cranks | 83.6mm -0.9mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 100.5mm 172.5 mm cranks | 97mm -3.5mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 32mm | 28mm -4mm |
Tire Outer Diameter | 686mm | 678mm -8mm |
Bike Length with Tires | 1696mm | 1679mm -17mm |
Crank Length | 172.5mm | — |
Handlebar Width | 420mm | — |
Stem Length | 100mm | — |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Carbon/Composite | Steel |
| Fork Material | Carbon/Composite | Carbon/Composite |
| Brake Type | Disc | Disc |
Meta
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| Source | https://www.giant-bicycles.com/md/defy-advanced-1-2022 | https://fairlightcycles.com/wp-content/uploads/2025/01/Fairlight-Strael-4.0-Design-Notes-v1.pdf |
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