Compare: 2025 Factor Bikes OSTRO GRAVEL Carbon 61 vs 2024 SPCYCLE SP-G068 Base L

Insights

Somewhat upright 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 progressive gravel bikes

Stack	625mm	614mm -11mm
Reach	422mm	427mm +5mm
Stack to Reach Ratio	1.48:1	1.44:1
Seat Tube Length, C-T	545mm	—
Seat Tube Length, C-TTT	—	540mm
Top Tube Length, Effective/Horizontal Unknown	—	608mm
Top Tube Slope	10.1deg	7.5deg -2.6deg
Head Tube Angle	72.3deg	71.5deg -0.8deg
Seat Tube Angle	73.5deg	73.5deg +0deg
Head Tube Length	—	187mm
Bottom Bracket Drop	74mm	75mm +1mm
Bottom Bracket Height	277mm	280mm +3mm
Chainstay Length	425mm	425mm +0mm
Chainstay Length Horizontal	418.5mm	418.3mm -0.2mm
Front-Center	654.7mm	666mm +11.3mm
Front-Center Horizontal	650.5mm	661.7mm +11.2mm
Wheelbase	1069mm	1080mm +11mm
Fork Offset/Rake	50mm	50mm +0mm
Fork Length, Unknown	—	399mm
Trail	59.5mm mid/neutral	66.1mm +6.6mm high
Mechanical Trail	56.7mm	62.6mm +5.9mm
Wheel Flop	17.2mm	19.9mm +2.7mm
Standover Height	847mm	—
Tire to Pedal Spindle	133.7mm 170 mm cranks	141mm +7.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	107mm 170 mm cranks	110mm +3mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	40mm	44mm +4mm
Tire Outer Diameter	702mm	710mm +8mm
Bike Length with Tires	1771mm	1790mm +19mm
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://www.sp-cycle.com/spcycle-g068-race-carbon-gravel-bike-frame-full-hidden-cable-udh-hanger-disc-brake-aero-carbon-gravel-bicycle-frameset-p5650663.html
Brand	Factor Bikes	SPCYCLE
Bike	2025 OSTRO GRAVEL Carbon	2024 SP-G068 Base
Size	61	L
Category	Progressive Gravel	Progressive Gravel