2026 Argon 18 Sum Pro S
Build
700C/29 in × 25 mm
Insights
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of Argon 18 Sum
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 540mm |
| Reach | 382mm |
| Stack to Reach Ratio | 1.41:1 |
| Seat Tube Length, Unknown | 460mm |
| Top Tube Length, Effective/Horizontal Unknown | 538mm |
| Top Tube Slope | 10.9deg |
| Head Tube Angle | 72.7deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 126mm |
| Bottom Bracket Drop | 77mm |
| Bottom Bracket Height | 259mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 402.7mm |
| Front-Center | 577.5mm |
| Front-Center Horizontal | 572.3mm |
| Wheelbase | 975mm |
| Fork Offset/Rake | 44mm |
| Fork Length, Unknown | 374mm |
| Trail | 58.6mm mid/neutral |
| Mechanical Trail | 55.9mm |
| Wheel Flop | 16.6mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 71.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 89mm |
Pro Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 25mm |
| Tire Outer Diameter | 672mm |
| Bike Length with Tires | 1647mm |
| Crank Length | 170mm |
| Handlebar Width | 42cm |
| Stem Length | 90mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.argon18.com/de/bikes/road/sum/shimano-105-di2