Compare: 2025 SPCYCLE SP-R088 Base 58 vs 2026 Argon 18 Sum Pro L

Insights

Somewhat aggressive stack and reach vs trend of endurance road bikes

Design deviates from other sizes of SPCYCLE SP-R088

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Argon 18 Sum

Stack	591mm	589mm -2mm
Reach	402mm	398mm -4mm
Stack to Reach Ratio	1.47:1	1.48:1
Seat Tube Length, C-T	516mm	—
Seat Tube Length, Unknown	—	550mm
Top Tube Length, Effective/Horizontal HT Top	577mm	—
Top Tube Length, Effective/Horizontal Unknown	—	578mm
Top Tube Slope	10deg	6.4deg -3.6deg
Head Tube Angle	73.5deg	72.7deg -0.8deg
Seat Tube Angle	73.5deg	73deg -0.5deg
Head Tube Length	—	177mm
Bottom Bracket Drop	74mm	77mm +3mm
Bottom Bracket Height	269mm	259mm -10mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.3mm	402.7mm -0.6mm
Front-Center	609mm	608.2mm -0.8mm
Front-Center Horizontal	604.7mm	603.3mm -1.4mm
Wheelbase	1008mm	1006mm -2mm
Fork Offset/Rake	47.6mm	44mm -3.6mm
Fork Length, Unknown	—	374mm
Trail	52mm mid/neutral	58.6mm +6.6mm mid/neutral
Mechanical Trail	49.9mm	55.9mm +6mm
Wheel Flop	14.2mm	16.6mm +2.4mm
Tire to Pedal Spindle	96mm 170 mm cranks	99.7mm +3.7mm 172.5 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	86.5mm -12.5mm 172.5 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	32mm	25mm -7mm
Tire Width Max	—	32mm
Tire Outer Diameter	686mm	672mm -14mm
Bike Length with Tires	1694mm	1678mm -16mm
Crank Length	—	172.5mm
Handlebar Width	—	44cm
Stem Length	—	110mm
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