Compare: 2025 Factor Bikes OSTRO GRAVEL Carbon 54 vs 2025 Elves MORI AEROX 54

Insights

Average 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

Design deviates from other sizes of Elves MORI

Stack	555mm	550mm -5mm
Reach	394mm	391mm -3mm
Stack to Reach Ratio	1.41:1	1.41:1
Seat Tube Length, C-T	483mm	—
Seat Tube Length, C-TTT	—	485mm
Top Tube Length, Actual C-C	—	553mm
Top Tube Slope	9.8deg	7deg -2.8deg
Head Tube Angle	72.2deg	71.3deg -0.9deg
Seat Tube Angle	74deg	73.6deg -0.4deg
Head Tube Length	—	125mm
Bottom Bracket Drop	74mm	74mm +0mm
Bottom Bracket Height	277mm	277mm +0mm
Chainstay Length	420mm	430mm +10mm
Chainstay Length Horizontal	413.4mm	423.6mm +10.2mm
Front-Center	605.1mm	616mm +10.9mm
Front-Center Horizontal	600.6mm	611.4mm +10.8mm
Wheelbase	1014mm	1035mm +21mm
Fork Offset/Rake	50mm	56mm +6mm
Fork Length, Unknown	—	395mm
Trail	60.2mm mid/neutral	59.7mm -0.5mm mid/neutral
Mechanical Trail	57.3mm	56.5mm -0.8mm
Wheel Flop	17.5mm	18.1mm +0.6mm
Standover Height	786mm	—
Tire to Pedal Spindle	84.1mm 170 mm cranks	95mm +10.9mm 170 mm cranks
Pedal Spindle to Ground Clearance	107mm 170 mm cranks	107mm +0mm 170 mm cranks

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	1716mm	1737mm +21mm
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

Actions	Collection I've Ridden	Collection I've Ridden
Source	https://factorbikes.com/bikes/ostro-gravel	https://es.elvesbike.com/products/elves-mori-aerox-carbon-aero-gravel-framesets?VariantsId=11612
Brand	Factor Bikes	Elves
Bike	2025 OSTRO GRAVEL Carbon	2025 MORI AEROX
Size	54	54
Category	Progressive Gravel	All-road/Gravel