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Decisions, decisions… made easy. With a bike that gives you flat-out advantage on the climbs, the sprints and the straightaways, the only decision you’ll need to make is how nice you want to be to the other guys.
A rider-oriented design approach ensures a frame that is both rooted and responsive, with a ride experience most aero frames can’t match. With a layup engineered to maximise aerodynamics while keeping weight low, the design process for the Sum allowed us to strip away all unnecessary weight within the new aero profile tube shapes - all while maintaining maximum power transfer.
Technology Sum
3D System
For our newest generation of bikes, we wanted to push our 3D System even further by merging it seamlessly with the frame.
Road Race Geometry
Our road race geometry is designed around the razor-sharp reflexes and precision handling required for racers of all levels.
Topological Compliance System
To achieve the optimal balance of comfort and performance for our endurance line, we needed geometry uniquely aligned with the demands of long-distance riding and racing. In conjunction with the best geometry, we also needed to optimise frame topology and carbon layup.
Argon Fit System
Argon Fit System is designed to provide riders of all sizes with consistent performance and optimal positioning.
Componentry
| SUM |
| RIVAL AXS |
| Podium Grey, Gloss (353A) Race Day Red, Gloss (353B) |
| SRAM RIVAL ETAP AXS |
| SRAM RIVAL ETAP AXS |
| SRAM RIVAL eTap AXS Shifter/Caliper Set |
| SRAM Centerlock Paceline / F:160mm R:140mm |
| SRAM RIVAL AXS DUB 48/35 |
| SRAM Bottom Bracket DUB PF 86.5 |
| SRAM RIVAL AXS 114L |
| SRAM RIVAL AXS Cassette XG 1250 10-30 |
| FSA ACR NO.55R 1.5'' |
| FSA ACR ST-OS-160 |
| FSA Energy SCR Compact |
| Ciclovation LEATHER TOUCH Tornado Gloss |
| Repente Quasar |
| Sum Specific SP |
| Rubino Pro TLR G+ 700x25c |
| Team 30 Clincher Centerlock XDR Wheelset |