Compare: 2026 OPEN Cycle U.P. 2.0 XS vs 2026 SEKA exaero gr Base 49

Insights

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

Design deviates from other sizes of OPEN Cycle U.P.

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

Design deviates from other sizes of SEKA exaero gr

Stack	520mm	524mm +4mm
Reach	356mm	369mm +13mm
Stack to Reach Ratio	1.46:1	1.42:1
Seat Tube Length, C-T	418mm	460mm +42mm
Top Tube Length, Effective/Horizontal Center	—	509mm
Top Tube Length, Effective/Horizontal HT Top	506mm	—
Top Tube Slope	14.1deg	9.3deg -4.8deg
Head Tube Angle	70deg	70.4deg +0.4deg
Seat Tube Angle	73.5deg	75deg +1.5deg
Head Tube Length	—	96.4mm
Bottom Bracket Drop	82mm	74mm -8mm
Bottom Bracket Height	274mm	282mm +8mm
Chainstay Length	425mm	423mm -2mm
Chainstay Length Horizontal	417mm	416.5mm -0.5mm
Front-Center	589mm	587mm -2mm
Front-Center Horizontal	583mm	582.5mm -0.5mm
Wheelbase	1000mm	999mm -1mm
Fork Offset/Rake	50mm	50mm +0mm
Fork Length (Axle-To-Crown)	—	401mm
Trail	76.4mm high	73.7mm -2.7mm high
Mechanical Trail	71.8mm	69.4mm -2.4mm
Wheel Flop	24.5mm	23.3mm -1.2mm
Standover Height	713mm	747mm +34mm
Tire to Pedal Spindle	63mm 170 mm cranks	61mm -2mm 170 mm cranks
Pedal Spindle to Ground Clearance	104mm 170 mm cranks	112mm +8mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	45mm	45mm +0mm
Tire Outer Diameter	712mm	712mm +0mm
Bike Length with Tires	1712mm	1711mm -1mm
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://opencycle.com/upper-20	https://drive.google.com/drive/folders/1NG_n27uMS0e34BqDwYOMyS3q6g26d4q2
Brand	OPEN Cycle	SEKA
Bike	2026 U.P. 2.0	2026 exaero gr Base
Size	XS	49
Category	All-road/Gravel	All-road/Gravel