Bike-on-Bike
Default Config
Default Config
Insights
Somewhat upright stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of Factor Bikes OSTRO GRAVEL
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Geometry
Stack | 605mm | 608mm +3mm |
Reach | 412mm | 404mm -8mm |
Stack to Reach Ratio | 1.47:1 | 1.5:1 |
Seat Tube Length, C-T | 523mm | 550mm +27mm |
Top Tube Length, Effective/Horizontal Center | — | 583mm |
Top Tube Slope | 10.5deg | 8.2deg -2.3deg |
Head Tube Angle | 72.3deg | 71.7deg -0.6deg |
Seat Tube Angle | 73.5deg | 73.5deg +0deg |
Head Tube Length | — | 80mm |
Bottom Bracket Drop | 74mm | 80mm +6mm |
Bottom Bracket Height | 277mm | 276mm -1mm |
Chainstay Length | 425mm | 426mm +1mm |
Chainstay Length Horizontal | 418.5mm | 418.4mm -0.1mm |
Front-Center | 632.8mm | 638mm +5.2mm |
Front-Center Horizontal | 628.5mm | 633.6mm +5.1mm |
Wheelbase | 1047mm | 1052mm +5mm |
Fork Offset/Rake | 50mm | 55mm +5mm |
Fork Length, Unknown | — | 397mm |
Trail | 59.5mm mid/neutral | 59.8mm +0.3mm mid/neutral |
Mechanical Trail | 56.7mm | 56.8mm +0.1mm |
Wheel Flop | 17.2mm | 17.8mm +0.6mm |
Standover Height | 820mm | — |
Tire to Pedal Spindle | 111.8mm 170 mm cranks | 109.5mm -2.3mm 172.5 mm cranks |
Pedal Spindle to Ground Clearance | 107mm 170 mm cranks | 103.5mm -3.5mm 172.5 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 40mm | 45mm +5mm |
Tire Outer Diameter | 702mm | 712mm +10mm |
Bike Length with Tires | 1749mm | 1764mm +15mm |
Crank Length | — | 172.5mm |
Handlebar Width | — | 440mm |
Stem Length | — | 80mm |
| Suspension Type | Rigid, non-suspension corrected | Rigid, 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://factorbikes.com/bikes/ostro-gravel | https://tantanbikes.com/Carbon-Frame-Disc-Brake-Gravel-Bike-Full-Hidden-Cable-Bicycle-Part-Carbon-Fiber-T1000-T47-Max-Tire-70050C-UDH-46T-GR209-p6970685.html |
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