Bike-on-Bike
Default Config
Default Config
Insights
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of Bigrock Aero
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of Giant Bicycles Propel Advanced
Geometry
Stack | 557mm | 545mm -12mm |
Reach | 391mm | 388mm -3mm |
Stack to Reach Ratio | 1.42:1 | 1.4:1 |
Seat Tube Length, C-T | — | 520mm |
Seat Tube Length, C-TTT | 500mm | — |
Top Tube Length, Effective/Horizontal HT Top | 557mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | 550mm |
Top Tube Slope | 6.2deg | 5deg -1.2deg |
Head Tube Angle | 72.8deg | 73deg +0.2deg |
Seat Tube Angle | 73.4deg | 73.5deg +0.1deg |
Head Tube Length | 148mm | 145mm -3mm |
Bottom Bracket Drop | 72mm | 70mm -2mm |
Bottom Bracket Height | 267mm | 269mm +2mm |
Chainstay Length | 408mm | 405mm -3mm |
Chainstay Length Horizontal | 401.6mm | 398.9mm -2.7mm |
Front-Center | 590.6mm | 585.3mm -5.3mm |
Front-Center Horizontal | 586.1mm | 581.1mm -5mm |
Wheelbase | 987.7mm | 980mm -7.7mm |
Fork Offset/Rake | 43mm | 45mm +2mm |
Fork Length, Unknown | 373mm | — |
Trail | 59.9mm mid/neutral | 56.6mm -3.3mm mid/neutral |
Mechanical Trail | 57.3mm | 54.1mm -3.2mm |
Wheel Flop | 16.9mm | 15.8mm -1.1mm |
Standover Height | — | 775mm |
Tire to Pedal Spindle | 81.6mm 170 mm cranks | 73.8mm -7.8mm 172.5 mm cranks |
Pedal Spindle to Ground Clearance | 97mm 170 mm cranks | 96.5mm -0.5mm 172.5 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 28mm | 28mm +0mm |
Tire Outer Diameter | 678mm | 678mm +0mm |
Bike Length with Tires | 1665.7mm | 1658mm -7.7mm |
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 | Carbon/Composite |
| Fork Material | Carbon/Composite | Carbon/Composite |
| Brake Type | Disc | Disc |
Meta
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| Source | https://www.pandapodium.cc/product/bigrock-aero-carbon-road-bike-frameset/ | https://www.giant-bicycles.com/md/propel-advanced-sl-team-frameset-2026 |
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