Compare: 2025 Factor Bikes OSTRO GRAVEL Carbon 49 vs 2025 Yoeleo R12 Disc 47

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 performance road bikes

Design deviates from other sizes of Yoeleo R12

Stack	515mm	505mm -10mm
Reach	377mm	375.9mm -1.1mm
Stack to Reach Ratio	1.37:1	1.34:1
Seat Tube Length, C-T	450mm	—
Seat Tube Length, Unknown	—	450mm
Top Tube Length, Actual C-C	—	516mm
Top Tube Slope	9.3deg	8.2deg -1.1deg
Head Tube Angle	71.2deg	71.5deg +0.3deg
Seat Tube Angle	74.5deg	74.5deg +0deg
Head Tube Length	—	100mm
Bottom Bracket Drop	76mm	72mm -4mm
Bottom Bracket Height	275mm	271mm -4mm
Chainstay Length	420mm	415mm -5mm
Chainstay Length Horizontal	413.1mm	408.7mm -4.4mm
Front-Center	590.8mm	570.7mm -20.1mm
Front-Center Horizontal	585.9mm	566.1mm -19.8mm
Wheelbase	999mm	974.8mm -24.2mm
Fork Offset/Rake	56mm	43mm -13mm
Fork Length, Unknown	—	371mm
Trail	60.3mm mid/neutral	69.4mm +9.1mm high
Mechanical Trail	57.1mm	65.8mm +8.7mm
Wheel Flop	18.4mm	20.9mm +2.5mm
Standover Height	750mm	—
Tire to Pedal Spindle	69.8mm 170 mm cranks	57.7mm -12.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	105mm 170 mm cranks	101mm -4mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	40mm	32mm -8mm
Tire Outer Diameter	702mm	686mm -16mm
Bike Length with Tires	1701mm	1660.8mm -40.2mm
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://www.yoeleobike.com/products/r12-db-chuan?variant=51133165142297
Brand	Factor Bikes	Yoeleo
Bike	2025 OSTRO GRAVEL Carbon	2025 R12 Disc
Size	49	47
Category	Progressive Gravel	Performance Road