2025 OPEN Cycle U.P. conc.ept 178-191
Build
700C/29 in × 35 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of OPEN Cycle U.P.
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 595mm |
| Reach | 392mm |
| Stack to Reach Ratio | 1.52:1 |
| Seat Tube Length, C-TTT | 504mm |
| Top Tube Length, Effective/Horizontal Center | 564mm |
| Top Tube Slope | 9.7deg |
| Head Tube Angle | 72.5deg |
| Seat Tube Angle | 73.5deg |
| Bottom Bracket Drop | 73mm |
| Bottom Bracket Height | 273mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 418.7mm |
| Front-Center | 614mm |
| Front-Center Horizontal | 609.3mm |
| Wheelbase | 1028mm |
| Fork Offset/Rake | 50.3mm |
| Trail | 56.4mm mid/neutral |
| Mechanical Trail | 53.8mm |
| Wheel Flop | 16.2mm |
| Standover Height | 799mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 98mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 103mm |
conc.ept Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 35mm |
| Tire Outer Diameter | 692mm |
| Bike Length with Tires | 1720mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| PBH | 510 in to |
Source:https://opencycle.com/eu-en/upper-20