Compare: 2025 Winspace Cycle Co Gravel G3 Base xs vs 2026 OPEN Cycle U.P. 2.0 XS

Insights

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

Design deviates from other sizes of Winspace Cycle Co Gravel G3

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

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

Stack	539mm	520mm -19mm
Reach	363mm	356mm -7mm
Stack to Reach Ratio	1.48:1	1.46:1
Seat Tube Length, C-T	—	418mm
Seat Tube Length, Unknown	440mm	—
Top Tube Length, Effective/Horizontal HT Top	—	506mm
Top Tube Length, Actual C-C	523mm	—
Top Tube Slope	13.5deg	14.1deg +0.6deg
Head Tube Angle	69.5deg	70deg +0.5deg
Seat Tube Angle	73.5deg	73.5deg +0deg
Head Tube Length	120mm	—
Bottom Bracket Drop	75mm	82mm +7mm
Bottom Bracket Height	281mm	274mm -7mm
Chainstay Length	430mm	425mm -5mm
Chainstay Length Horizontal	423.4mm	417mm -6.4mm
Front-Center	599.3mm	589mm -10.3mm
Front-Center Horizontal	594.6mm	583mm -11.6mm
Wheelbase	1018mm	1000mm -18mm
Fork Offset/Rake	54mm	50mm -4mm
Fork Length (On-Axis)	395mm	—
Trail	75.5mm high	76.4mm +0.9mm high
Mechanical Trail	70.7mm	71.8mm +1.1mm
Wheel Flop	24.8mm	24.5mm -0.3mm
Standover Height	756mm	713mm -43mm
Tire to Pedal Spindle	73.3mm 170 mm cranks	63mm -10.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	104mm -7mm 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	1730mm	1712mm -18mm
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://www.winspace.cc/products/g3-gravel	https://opencycle.com/upper-20
Brand	Winspace Cycle Co	OPEN Cycle
Bike	2025 Gravel G3 Base	2026 U.P. 2.0
Size	xs	XS
Category	All-road/Gravel	All-road/Gravel