Compare: 2025 Factor Bikes OSTRO GRAVEL Carbon 49 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	515mm	540mm +25mm
Reach	377mm	375mm -2mm
Stack to Reach Ratio	1.37:1	1.44:1
Seat Tube Length, C-T	450mm	—
Seat Tube Length, Unknown	—	460mm
Top Tube Length, Effective/Horizontal Unknown	—	520mm
Top Tube Slope	9.3deg	11deg +1.7deg
Head Tube Angle	71.2deg	71deg -0.2deg
Seat Tube Angle	74.5deg	74deg -0.5deg
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	590.8mm	598mm +7.2mm
Front-Center Horizontal	585.9mm	592.6mm +6.7mm
Wheelbase	999mm	1008mm +9mm
Fork Offset/Rake	56mm	55mm -1mm
Fork Length, Unknown	—	400mm
Trail	60.3mm mid/neutral	66.1mm +5.8mm high
Mechanical Trail	57.1mm	62.5mm +5.4mm
Wheel Flop	18.4mm	20.4mm +2mm
Standover Height	750mm	768mm +18mm
Tire to Pedal Spindle	69.8mm 170 mm cranks	67mm -2.8mm 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	1701mm	1730mm +29mm
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	49	small
Category	Progressive Gravel	Progressive Gravel