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

Insights

Somewhat aggressive stack and reach vs trend of all-road/gravel bikes

Design deviates from other sizes of Elves MORI

Average stack and reach vs trend of progressive gravel bikes

Design deviates from other sizes of Factor Bikes OSTRO GRAVEL

Stack	550mm	555mm +5mm
Reach	391mm	394mm +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	7deg	9.8deg +2.8deg
Head Tube Angle	71.3deg	72.2deg +0.9deg
Seat Tube Angle	73.6deg	74deg +0.4deg
Head Tube Length	125mm	—
Bottom Bracket Drop	74mm	74mm +0mm
Bottom Bracket Height	277mm	277mm +0mm
Chainstay Length	430mm	420mm -10mm
Chainstay Length Horizontal	423.6mm	413.4mm -10.2mm
Front-Center	616mm	605.1mm -10.9mm
Front-Center Horizontal	611.4mm	600.6mm -10.8mm
Wheelbase	1035mm	1014mm -21mm
Fork Offset/Rake	56mm	50mm -6mm
Fork Length, Unknown	395mm	—
Trail	59.7mm mid/neutral	60.2mm +0.5mm mid/neutral
Mechanical Trail	56.5mm	57.3mm +0.8mm
Wheel Flop	18.1mm	17.5mm -0.6mm
Standover Height	—	786mm
Tire to Pedal Spindle	95mm 170 mm cranks	84.1mm -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	1737mm	1716mm -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://es.elvesbike.com/products/elves-mori-aerox-carbon-aero-gravel-framesets?VariantsId=11612	https://factorbikes.com/bikes/ostro-gravel
Brand	Elves	Factor Bikes
Bike	2025 MORI AEROX	2025 OSTRO GRAVEL Carbon
Size	54	54
Category	All-road/Gravel	Progressive Gravel