Compare: 2026 Argon 18 Sum Pro XXS vs 2025 SPCYCLE SP-R088 Base 44

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Argon 18 Sum

Somewhat aggressive stack and reach vs trend of endurance road bikes

Design deviates from other sizes of SPCYCLE SP-R088

Stack	495mm	500mm +5mm
Reach	367mm	366mm -1mm
Stack to Reach Ratio	1.35:1	1.37:1
Seat Tube Length, C-T	—	434mm
Seat Tube Length, Unknown	395mm	—
Top Tube Length, Effective/Horizontal HT Top	—	495mm
Top Tube Length, Effective/Horizontal Unknown	503mm	—
Top Tube Slope	13.6deg	9.6deg -4deg
Head Tube Angle	71.2deg	70.5deg -0.7deg
Seat Tube Angle	75deg	75.5deg +0.5deg
Head Tube Length	94mm	—
Bottom Bracket Drop	69mm	74mm +5mm
Bottom Bracket Height	267mm	269mm +2mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	404.2mm	403.3mm -0.9mm
Front-Center	567.1mm	572mm +4.9mm
Front-Center Horizontal	562.9mm	566.7mm +3.8mm
Wheelbase	967mm	970mm +3mm
Fork Offset/Rake	48mm	47mm -1mm
Fork Length, Unknown	374mm	—
Trail	63.7mm mid/neutral	71.6mm +7.9mm high
Mechanical Trail	60.3mm	67.5mm +7.2mm
Wheel Flop	19.4mm	22.5mm +3.1mm
Tire to Pedal Spindle	66.1mm 165 mm cranks	59mm -7.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	102mm 165 mm cranks	99mm -3mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	25mm	32mm +7mm
Tire Width Max	32mm	—
Tire Outer Diameter	672mm	686mm +14mm
Bike Length with Tires	1639mm	1656mm +17mm
Crank Length	165mm	—
Handlebar Width	40cm	—
Stem Length	70mm	—
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