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 | 549.5mm | 535mm -14.5mm |
Reach | 382mm | 385mm +3mm |
Stack to Reach Ratio | 1.44:1 | 1.39:1 |
Seat Tube Length, C-T | — | 468mm |
Seat Tube Length, Unknown | 460mm | — |
Top Tube Length, Effective/Horizontal Unknown | 540.4mm | — |
Top Tube Slope | 11.9deg | 9.4deg -2.5deg |
Head Tube Angle | 71deg | 71.3deg +0.3deg |
Seat Tube Angle | 73.9deg | 74deg +0.1deg |
Head Tube Length | 116mm | — |
Bottom Bracket Drop | 80mm | 76mm -4mm |
Bottom Bracket Height | 271mm | 275mm +4mm |
Chainstay Length | 426mm | 420mm -6mm |
Chainstay Length Horizontal | 418.4mm | 413.1mm -5.3mm |
Front-Center | 603.9mm | 604.7mm +0.8mm |
Front-Center Horizontal | 598.6mm | 599.9mm +1.3mm |
Wheelbase | 1017mm | 1013mm -4mm |
Fork Offset/Rake | 55mm | 56mm +1mm |
Fork Length, Unknown | 397mm | — |
Trail | 62.7mm mid/neutral | 59.7mm -3mm mid/neutral |
Mechanical Trail | 59.3mm | 56.5mm -2.8mm |
Wheel Flop | 19.3mm | 18.1mm -1.2mm |
Standover Height | — | 767mm |
Tire to Pedal Spindle | 82.9mm 170 mm cranks | 83.7mm +0.8mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 101mm 170 mm cranks | 105mm +4mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 40mm | 40mm +0mm |
Tire Outer Diameter | 702mm | 702mm +0mm |
Bike Length with Tires | 1719mm | 1715mm -4mm |
| 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://mondincecycle.com/product/2026-toray-t800-and-t1000-high-stiffness-storage-space-full-carbon-gravel-bike-frame-fm336 | https://factorbikes.com/bikes/ostro-gravel |
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