Compare: 2026 ROSE Bikes Backroad AL Base XL vs 2026 SEKA exaero gr Base 61

Insights

Very aggressive stack and reach vs trend of all-road/gravel bikes

Somewhat aggressive stack and reach vs trend of all-road/gravel bikes

Design deviates from other sizes of SEKA exaero gr

Stack	627mm	620mm -7mm
Reach	429.3mm	408mm -21.3mm
Stack to Reach Ratio	1.46:1	1.52:1
Seat Tube Length, C-T	555mm	580mm +25mm
Top Tube Length, Effective/Horizontal Center	—	598mm
Top Tube Length, Effective/Horizontal HT Top	615mm	—
Top Tube Slope	9.2deg	6.5deg -2.7deg
Head Tube Angle	71.5deg	72.2deg +0.7deg
Seat Tube Angle	73.5deg	73deg -0.5deg
Head Tube Length	185mm	195mm +10mm
Bottom Bracket Drop	78mm	70mm -8mm
Bottom Bracket Height	273mm	286mm +13mm
Chainstay Length	430mm	423mm -7mm
Chainstay Length Horizontal	422.9mm	417.2mm -5.7mm
Front-Center	668.2mm	641mm -27.2mm
Front-Center Horizontal	663.6mm	637.8mm -25.8mm
Wheelbase	1086.5mm	1055mm -31.5mm
Fork Offset/Rake	48mm	50mm +2mm
Fork Length (Axle-To-Crown)	410mm	401mm -9mm
Trail	66.8mm high	61.8mm -5mm mid/neutral
Mechanical Trail	63.4mm	58.8mm -4.6mm
Wheel Flop	20.1mm	18mm -2.1mm
Standover Height	861mm	858mm -3mm
Tire to Pedal Spindle	147.2mm 170 mm cranks	115mm -32.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	103mm 170 mm cranks	116mm +13mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	40mm	45mm +5mm
Tire Outer Diameter	702mm	712mm +10mm
Bike Length with Tires	1788.5mm	1767mm -21.5mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Aluminum	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc

Actions	Collection I've Ridden	Collection I've Ridden
Source	https://www.rosebikes.com/p/rose-backroad-al-eq-2725772	https://drive.google.com/drive/folders/1NG_n27uMS0e34BqDwYOMyS3q6g26d4q2
Brand	ROSE Bikes	SEKA
Bike	2026 Backroad AL Base	2026 exaero gr Base
Size	XL	61
Category	All-road/Gravel	All-road/Gravel