Compare: 2025 Factor Bikes OSTRO GRAVEL Carbon 61 vs 2026 Tavelo Arden Base 590

Insights

Somewhat upright stack and reach vs trend of progressive gravel bikes

Design deviates from other sizes of Factor Bikes OSTRO GRAVEL

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Tavelo Arden

Stack	625mm	612mm -13mm
Reach	422mm	410mm -12mm
Stack to Reach Ratio	1.48:1	1.49:1
Seat Tube Length, C-T	545mm	—
Seat Tube Length, Unknown	—	510mm
Top Tube Length, Effective/Horizontal Center	—	597mm
Top Tube Slope	10.1deg	12.5deg +2.4deg
Head Tube Angle	72.3deg	73.3deg +1deg
Seat Tube Angle	73.5deg	73deg -0.5deg
Head Tube Length	—	209.4mm
Bottom Bracket Drop	74mm	70mm -4mm
Bottom Bracket Height	277mm	271mm -6mm
Chainstay Length	425mm	410mm -15mm
Chainstay Length Horizontal	418.5mm	404mm -14.5mm
Front-Center	654.7mm	624mm -30.7mm
Front-Center Horizontal	650.5mm	620mm -30.5mm
Wheelbase	1069mm	1024mm -45mm
Fork Offset/Rake	50mm	45mm -5mm
Fork Length (Axle-To-Crown)	—	370mm
Trail	59.5mm mid/neutral	55.3mm -4.2mm mid/neutral
Mechanical Trail	56.7mm	53mm -3.7mm
Wheel Flop	17.2mm	15.2mm -2mm
Standover Height	847mm	859mm +12mm
Tire to Pedal Spindle	133.7mm 170 mm cranks	113mm -20.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	107mm 170 mm cranks	101mm -6mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	40mm	30mm -10mm
Tire Outer Diameter	702mm	682mm -20mm
Bike Length with Tires	1771mm	1706mm -65mm
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://chinertown.com/index.php/topic,7183.0.html
Brand	Factor Bikes	Tavelo
Bike	2025 OSTRO GRAVEL Carbon	2026 Arden Base
Size	61	590
Category	Progressive Gravel	Performance Road