Compare: 2025 Factor Bikes OSTRO GRAVEL Carbon 54 vs 2026 Tavelo Arden Base 500

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	555mm	553mm -2mm
Reach	394mm	390mm -4mm
Stack to Reach Ratio	1.41:1	1.42:1
Seat Tube Length, C-T	483mm	—
Seat Tube Length, Unknown	—	450mm
Top Tube Length, Effective/Horizontal Center	—	554mm
Top Tube Slope	9.8deg	13.2deg +3.4deg
Head Tube Angle	72.2deg	72.6deg +0.4deg
Seat Tube Angle	74deg	73.5deg -0.5deg
Head Tube Length	—	149.1mm
Bottom Bracket Drop	74mm	72mm -2mm
Bottom Bracket Height	277mm	269mm -8mm
Chainstay Length	420mm	410mm -10mm
Chainstay Length Horizontal	413.4mm	403.6mm -9.8mm
Front-Center	605.1mm	595mm -10.1mm
Front-Center Horizontal	600.6mm	591.4mm -9.2mm
Wheelbase	1014mm	995mm -19mm
Fork Offset/Rake	50mm	48mm -2mm
Fork Length (Axle-To-Crown)	—	370mm
Trail	60.2mm mid/neutral	56.6mm -3.6mm mid/neutral
Mechanical Trail	57.3mm	54mm -3.3mm
Wheel Flop	17.5mm	16.1mm -1.4mm
Standover Height	786mm	784mm -2mm
Tire to Pedal Spindle	84.1mm 170 mm cranks	84mm -0.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	107mm 170 mm cranks	99mm -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	1716mm	1677mm -39mm
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	54	500
Category	Progressive Gravel	Performance Road