2025 OPEN Cycle U.P. Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Average stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Somewhat aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category |
Geometry
w | w | w | S | S | M | M | L | XL | XL | L | |
Stack | — | — | — | 522mm | 522mm | 551mm | 551mm | 580mm | 604mm | 604mm | 595mm |
Reach | — | — | — | 365mm | 365mm | 376mm | 376mm | 387mm | 401mm | 401mm | 404mm |
Stack to Reach Ratio | — | — | — | 1.43:1 | 1.43:1 | 1.47:1 | 1.47:1 | 1.5:1 | 1.51:1 | 1.51:1 | 1.47:1 |
Seat Tube Length, C-T | — | — | — | 520mm | — | 540mm | — | 560mm | 580mm | — | — |
Seat Tube Length, C-TTT | — | — | — | — | 520mm | — | 540mm | — | — | 580mm | 504mm |
Top Tube Length, Effective/Horizontal HT Top | — | — | — | 528mm | 528mm | 549mm | 549mm | 570mm | 591mm | 591mm | 564mm |
Top Tube Slope | — | — | — | 2.9deg | 0.8deg | 3.8deg | 1.8deg | 4.7deg | 5.1deg | 3.1deg | 9.5deg |
Head Tube Angle | — | — | — | 69.5deg | 69.5deg | 71deg | 71deg | 72.5deg | 72.5deg | 72.5deg | 72.5deg |
Seat Tube Angle | — | — | — | 72.5deg | 72.5deg | 72.5deg | 72.5deg | 72.5deg | 72.5deg | 72.5deg | 73.5deg |
Head Tube Length | — | — | — | 105mm | 105mm | 130mm | 130mm | 155mm | 180mm | 180mm | 155mm |
Bottom Bracket Drop | — | — | — | 70mm | 70mm | 70mm | 70mm | 70mm | 70mm | 70mm | 73mm |
Bottom Bracket Height | — | — | — | 281mm | 281mm | 281mm | 281mm | 281mm | 281mm | 281mm | 273mm |
Chainstay Length | — | — | — | 420mm | 420mm | 420mm | 420mm | 420mm | 420mm | 420mm | 420mm |
Chainstay Length Horizontal | — | — | — | 414.1mm | 414.1mm | 414.1mm | 414.1mm | 414.1mm | 414.1mm | 414.1mm | 413.6mm |
Front-Center | — | — | — | 592mm | 592mm | 598mm | 598mm | 604mm | 622mm | 622mm | 614mm |
Front-Center Horizontal | — | — | — | 587.9mm | 587.9mm | 593.9mm | 593.9mm | 599.9mm | 617.9mm | 617.9mm | 614.4mm |
Wheelbase | — | — | — | 1002mm | 1002mm | 1008mm | 1008mm | 1014mm | 1032mm | 1032mm | 1028mm |
Fork Offset/Rake | — | — | — | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm |
Trail | — — | — — | — — | 77.9mm high | 77.9mm high | 68mm high | 68mm high | 58.2mm mid/​neutral | 58.2mm mid/​neutral | 58.2mm mid/​neutral | 56.7mm mid/​neutral |
Mechanical Trail | — | — | — | 72.9mm | 72.9mm | 64.3mm | 64.3mm | 55.6mm | 55.6mm | 55.6mm | 54mm |
Wheel Flop | — | — | — | 25.5mm | 25.5mm | 20.9mm | 20.9mm | 16.7mm | 16.7mm | 16.7mm | 16.3mm |
Standover Height | — | — | — | 743mm | 743mm | 767mm | 767mm | 791mm | 815mm | 815mm | 799mm |
Tire to Pedal Spindle | — 170 mm cranks | — 170 mm cranks | — 170 mm cranks | 71mm 170 mm cranks | 71mm 170 mm cranks | 77mm 170 mm cranks | 77mm 170 mm cranks | 83mm 170 mm cranks | 101mm 170 mm cranks | 101mm 170 mm cranks | 98mm 170 mm cranks |
Pedal Spindle to Ground Clearance | — 170 mm cranks | — 170 mm cranks | — 170 mm cranks | 111mm 170 mm cranks | 111mm 170 mm cranks | 111mm 170 mm cranks | 111mm 170 mm cranks | 111mm 170 mm cranks | 111mm 170 mm cranks | 111mm 170 mm cranks | 103mm 170 mm cranks |
Base Build
w | w | w | S | S | M | M | L | XL | XL | L | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 45mm | 45mm | 45mm | 40mm | 40mm | 40mm | 40mm | 40mm | 40mm | 40mm | 35mm |
Tire Width Max | — | — | — | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm | 46mm |
Tire Outer Diameter | 712mm | 712mm | 712mm | 702mm | 702mm | 702mm | 702mm | 702mm | 702mm | 702mm | 692mm |
Bike Length with Tires | — | — | — | 1704mm | 1704mm | 1710mm | 1710mm | 1716mm | 1734mm | 1734mm | 1720mm |
Published Sizing Recommendations
Height | — | — | — | 5 ft 2 in to 5 ft 8 in | 5 ft 2 in to 5 ft 8 in | 5 ft 7 in to 5 ft 11 in | 5 ft 7 in to 5 ft 11 in | 5 ft 10 in to 6 ft 3 in | 6 ft 2 in to 6 ft 7 in | 6 ft 2 in to 6 ft 7 in | 5 ft 10 in to 6 ft 3 in |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
All-road/GravelSource:https://opencycle.com/eu-en/upper-20, https://opencycle.com/new-upper