Compare: 2025 Factor Bikes OSTRO GRAVEL Carbon 49 vs 2026 Tavelo Arden Base 450

Insights

Average 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	515mm	522mm +7mm
Reach	377mm	373mm -4mm
Stack to Reach Ratio	1.37:1	1.4:1
Seat Tube Length, C-T	450mm	—
Seat Tube Length, Unknown	—	420mm
Top Tube Length, Effective/Horizontal Center	—	516mm
Top Tube Slope	9.3deg	13.6deg +4.3deg
Head Tube Angle	71.2deg	71.3deg +0.1deg
Seat Tube Angle	74.5deg	74.5deg +0deg
Head Tube Length	—	120.6mm
Bottom Bracket Drop	76mm	74mm -2mm
Bottom Bracket Height	275mm	267mm -8mm
Chainstay Length	420mm	410mm -10mm
Chainstay Length Horizontal	413.1mm	403.3mm -9.8mm
Front-Center	590.8mm	584mm -6.8mm
Front-Center Horizontal	585.9mm	579.7mm -6.2mm
Wheelbase	999mm	983mm -16mm
Fork Offset/Rake	56mm	52mm -4mm
Fork Length (Axle-To-Crown)	—	370mm
Trail	60.3mm mid/neutral	60.5mm +0.2mm mid/neutral
Mechanical Trail	57.1mm	57.3mm +0.2mm
Wheel Flop	18.4mm	18.4mm +0mm
Standover Height	750mm	736mm -14mm
Tire to Pedal Spindle	69.8mm 170 mm cranks	73mm +3.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	105mm 170 mm cranks	97mm -8mm 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	1701mm	1665mm -36mm
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	49	450
Category	Progressive Gravel	Performance Road