Bike-on-Bike
Default Config
Default Config
Insights
Average stack and reach vs trend of performance road bikes
Average stack and reach vs trend of performance road bikes
Geometry
Stack | 538mm | 544mm +6mm |
Reach | 386mm | 384mm -2mm |
Stack to Reach Ratio | 1.39:1 | 1.42:1 |
Seat Tube Length, C-T | 476mm | — |
Seat Tube Length, Unknown | — | 473mm |
Top Tube Length, Effective/Horizontal Center | — | 541mm |
Top Tube Length, Effective/Horizontal HT Top | 540mm | — |
Top Tube Slope | 8.8deg | 9.9deg +1.1deg |
Head Tube Angle | 73deg | 73deg +0deg |
Seat Tube Angle | 74deg | 74deg +0deg |
Head Tube Length | 130mm | 137mm +7mm |
Bottom Bracket Drop | 72mm | 72mm +0mm |
Bottom Bracket Height | 267mm | 265mm -2mm |
Chainstay Length | 410mm | 410mm +0mm |
Chainstay Length Horizontal | 403.6mm | 403.6mm +0mm |
Front-Center | 578.9mm | 579mm +0.1mm |
Front-Center Horizontal | 574.4mm | 574.4mm +0mm |
Wheelbase | 978mm | 978mm +0mm |
Fork Offset/Rake | 44mm | 44.1mm +0.1mm |
Fork Length (Axle-To-Crown) | 372mm | — |
Fork Length, Unknown | — | 370mm |
Trail | 57.6mm mid/neutral | 57mm -0.6mm mid/neutral |
Mechanical Trail | 55.1mm | 54.5mm -0.6mm |
Wheel Flop | 16.1mm | 15.9mm -0.2mm |
Standover Height | — | 768mm |
Tire to Pedal Spindle | 69.9mm 170 mm cranks | 72mm +2.1mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 97mm 170 mm cranks | 95mm -2mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 28mm | 26mm -2mm |
Tire Outer Diameter | 678mm | 674mm -4mm |
Bike Length with Tires | 1656mm | 1652mm -4mm |
Handlebar Width | — | 400mm |
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 | Rim | Disc |
Meta
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| Source | https://www.sekabikes.com/spear-2/ | https://www.specialized.com/us/en/tarmac-sl8-pro-ultegra-di2/p/4274935?color=5430657-4274935 |
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