Compare: 2026 OPEN Cycle U.P. 2.0 S vs 2024 SPCYCLE SP-G068 Base XS

Insights

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

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

Somewhat upright stack and reach vs trend of progressive gravel bikes

Stack	545mm	557mm +12mm
Reach	368mm	385mm +17mm
Stack to Reach Ratio	1.48:1	1.45:1
Seat Tube Length, C-T	449mm	—
Seat Tube Length, C-TTT	—	450mm
Top Tube Length, Effective/Horizontal HT Top	525mm	—
Top Tube Length, Effective/Horizontal Unknown	—	551mm
Top Tube Slope	13deg	11.6deg -1.4deg
Head Tube Angle	71.5deg	71deg -0.5deg
Seat Tube Angle	73.5deg	73.5deg +0deg
Head Tube Length	—	129mm
Bottom Bracket Drop	77mm	75mm -2mm
Bottom Bracket Height	279mm	280mm +1mm
Chainstay Length	425mm	425mm +0mm
Chainstay Length Horizontal	418mm	418.3mm +0.3mm
Front-Center	590mm	611mm +21mm
Front-Center Horizontal	585mm	605.7mm +20.7mm
Wheelbase	1003mm	1024mm +21mm
Fork Offset/Rake	50mm	50mm +0mm
Fork Length, Unknown	—	399mm
Trail	66.4mm high	69.4mm +3mm high
Mechanical Trail	63mm	65.6mm +2.6mm
Wheel Flop	20mm	21.4mm +1.4mm
Standover Height	745mm	—
Tire to Pedal Spindle	64mm 170 mm cranks	86mm +22mm 170 mm cranks
Pedal Spindle to Ground Clearance	109mm 170 mm cranks	110mm +1mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	45mm	44mm -1mm
Tire Outer Diameter	712mm	710mm -2mm
Bike Length with Tires	1715mm	1734mm +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://opencycle.com/upper-20	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	OPEN Cycle	SPCYCLE
Bike	2026 U.P. 2.0	2024 SP-G068 Base
Size	S	XS
Category	All-road/Gravel	Progressive Gravel