Compare: 2025 Factor Bikes OSTRO GRAVEL Carbon 52 vs 2026 Tavelo Grow Base small

Insights

Average stack and reach vs trend of progressive gravel bikes

Design deviates from other sizes of Factor Bikes OSTRO GRAVEL

Somewhat upright stack and reach vs trend of progressive gravel bikes

Design deviates from other sizes of Tavelo Grow

Bar type unusual for category

This: Aero Bar
Category: Drop Bar

Stack	535mm	540mm +5mm
Reach	385mm	375mm -10mm
Stack to Reach Ratio	1.39:1	1.44:1
Seat Tube Length, C-T	468mm	—
Seat Tube Length, Unknown	—	460mm
Top Tube Length, Effective/Horizontal Unknown	—	520mm
Top Tube Slope	9.4deg	11deg +1.6deg
Head Tube Angle	71.3deg	71deg -0.3deg
Seat Tube Angle	74deg	74deg +0deg
Head Tube Length	—	106mm
Bottom Bracket Drop	76mm	80mm +4mm
Bottom Bracket Height	275mm	281mm +6mm
Chainstay Length	420mm	423mm +3mm
Chainstay Length Horizontal	413.1mm	415.4mm +2.3mm
Front-Center	604.7mm	598mm -6.7mm
Front-Center Horizontal	599.9mm	592.6mm -7.3mm
Wheelbase	1013mm	1008mm -5mm
Fork Offset/Rake	56mm	55mm -1mm
Fork Length, Unknown	—	400mm
Trail	59.7mm mid/neutral	66.1mm +6.4mm high
Mechanical Trail	56.5mm	62.5mm +6mm
Wheel Flop	18.1mm	20.4mm +2.3mm
Standover Height	767mm	768mm +1mm
Tire to Pedal Spindle	83.7mm 170 mm cranks	67mm -16.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	105mm 170 mm cranks	111mm +6mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	40mm	50mm +10mm
Tire Outer Diameter	702mm	722mm +20mm
Bike Length with Tires	1715mm	1730mm +15mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Aero 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://tavelo.cc/products/tavelo-grow?VariantsId=11689
Brand	Factor Bikes	Tavelo
Bike	2025 OSTRO GRAVEL Carbon	2026 Grow Base
Size	52	small
Category	Progressive Gravel	Progressive Gravel