2020 OPEN Cycle U.P.P.E.R. Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
S | M | L | XL | |
Stack | 522mm | 551mm | 580mm | 604mm |
Reach | 365mm | 376mm | 387mm | 401mm |
Stack to Reach Ratio | 1.43:1 | 1.47:1 | 1.5:1 | 1.51:1 |
Seat Tube Length, C-T | 520mm | 540mm | 560mm | 580mm |
Top Tube Length, Effective/Horizontal HT Top | 528mm | 549mm | 570mm | 591mm |
Top Tube Slope | 2.9deg | 3.8deg | 4.7deg | 5.1deg |
Head Tube Angle | 69.5deg | 71deg | 72.5deg | 72.5deg |
Seat Tube Angle | 72.5deg | 72.5deg | 72.5deg | 72.5deg |
Head Tube Length | 105mm | 130mm | 155mm | 180mm |
Bottom Bracket Drop | 70mm | 70mm | 70mm | 70mm |
Bottom Bracket Height | 275.3mm | 275.3mm | 275.3mm | 275.3mm |
Chainstay Length | 420mm | 420mm | 420mm | 420mm |
Chainstay Length Horizontal | 414.1mm | 414.1mm | 414.1mm | 414.1mm |
Front-Center | 592mm | 598mm | 604mm | 622mm |
Front-Center Horizontal | 587.9mm | 593.9mm | 599.9mm | 617.9mm |
Wheelbase | 1002mm | 1008mm | 1014mm | 1032mm |
Fork Offset/Rake | 50mm | 50mm | 50mm | 50mm |
Trail | 75.7mm high | 66mm high | 56.5mm mid/neutral | 56.5mm mid/neutral |
Mechanical Trail | 70.9mm | 62.4mm | 53.9mm | 53.9mm |
Wheel Flop | 24.8mm | 20.3mm | 16.2mm | 16.2mm |
Standover Height | 743mm | 767mm | 791mm | 815mm |
Tire to Pedal Spindle | 76.7mm 170 mm cranks | 82.7mm 170 mm cranks | 88.7mm 170 mm cranks | 106.7mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 105.3mm 170 mm cranks | 105.3mm 170 mm cranks | 105.3mm 170 mm cranks | 105.3mm 170 mm cranks |
Base Build
S | M | L | XL | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 2.1in | 2.1in | 2.1in | 2.1in |
Tire Width Max | 2.1in | 2.1in | 2.1in | 2.1in |
Tire Outer Diameter | 690.7mm | 690.7mm | 690.7mm | 690.7mm |
Bike Length with Tires | 1692.7mm | 1698.7mm | 1704.7mm | 1722.7mm |
Published Sizing Recommendations
Height | 5 ft 2 in to 5 ft 8 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 |
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/UP