Bike-on-Bike
Default Config
Default Config
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Average stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of Factor Bikes OSTRO GRAVEL
Geometry
Stack | 552mm | 555mm +3mm |
Reach | 382mm | 394mm +12mm |
Stack to Reach Ratio | 1.45:1 | 1.41:1 |
Seat Tube Length, C-T | 510mm | 483mm -27mm |
Top Tube Length, Effective/Horizontal HT Top | 546mm | — |
Top Tube Slope | 6.8deg | 9.8deg +3deg |
Head Tube Angle | 72.5deg | 72.2deg -0.3deg |
Seat Tube Angle | 73.5deg | 74deg +0.5deg |
Head Tube Length | 132mm | — |
Bottom Bracket Drop | 73mm | 74mm +1mm |
Bottom Bracket Height | 266mm | 277mm +11mm |
Chainstay Length | 420mm | 420mm +0mm |
Chainstay Length Horizontal | 413.6mm | 413.4mm -0.2mm |
Front-Center | 583mm | 605.1mm +22.1mm |
Front-Center Horizontal | 578.4mm | 600.6mm +22.2mm |
Wheelbase | 992mm | 1014mm +22mm |
Fork Offset/Rake | 43mm | 50mm +7mm |
Trail | 61.8mm mid/neutral | 60.2mm -1.6mm mid/neutral |
Mechanical Trail | 58.9mm | 57.3mm -1.6mm |
Wheel Flop | 17.7mm | 17.5mm -0.2mm |
Standover Height | — | 786mm |
Tire to Pedal Spindle | 74mm 170 mm cranks | 84.1mm +10.1mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 96mm 170 mm cranks | 107mm +11mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 28mm | 40mm +12mm |
Tire Outer Diameter | 678mm | 702mm +24mm |
Bike Length with Tires | 1670mm | 1716mm +46mm |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Titanium | Carbon/Composite |
| Fork Material | Carbon/Composite | Carbon/Composite |
| Brake Type | Disc | Disc |
Meta
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| Source | https://www.serk.cc/a30m/ | https://factorbikes.com/bikes/ostro-gravel |
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