Compare: 2025 Factor Bikes OSTRO GRAVEL Carbon 52 vs 2026 Tavelo Arden Base 475

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	535mm	538mm +3mm
Reach	385mm	381mm -4mm
Stack to Reach Ratio	1.39:1	1.41:1
Seat Tube Length, C-T	468mm	—
Seat Tube Length, Unknown	—	450mm
Top Tube Length, Effective/Horizontal Center	—	533mm
Top Tube Slope	9.4deg	11.8deg +2.4deg
Head Tube Angle	71.3deg	72.1deg +0.8deg
Seat Tube Angle	74deg	74deg +0deg
Head Tube Length	—	135.2mm
Bottom Bracket Drop	76mm	72mm -4mm
Bottom Bracket Height	275mm	269mm -6mm
Chainstay Length	420mm	410mm -10mm
Chainstay Length Horizontal	413.1mm	403.6mm -9.5mm
Front-Center	604.7mm	586mm -18.7mm
Front-Center Horizontal	599.9mm	582.4mm -17.5mm
Wheelbase	1013mm	986mm -27mm
Fork Offset/Rake	56mm	48mm -8mm
Fork Length (Axle-To-Crown)	—	370mm
Trail	59.7mm mid/neutral	59.7mm +0mm mid/neutral
Mechanical Trail	56.5mm	56.8mm +0.3mm
Wheel Flop	18.1mm	17.5mm -0.6mm
Standover Height	767mm	761mm -6mm
Tire to Pedal Spindle	83.7mm 170 mm cranks	75mm -8.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	105mm 170 mm cranks	99mm -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	1715mm	1668mm -47mm
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	52	475
Category	Progressive Gravel	Performance Road