2020 OPEN Cycle U.P.P.E.R. Base XL

Build

650B/27.5 in × 2.1 in

Insights

Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of OPEN Cycle U.P.P.E.R.

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
604mm
Reach
401mm
Stack to Reach Ratio
1.51:1
Seat Tube Length, C-T
580mm
Top Tube Length, Effective/Horizontal HT Top
591mm
Top Tube Slope
5.1deg
Head Tube Angle
72.5deg
Seat Tube Angle
72.5deg
Head Tube Length
180mm
Bottom Bracket Drop
70mm
Bottom Bracket Height
275.3mm
Chainstay Length
420mm
Chainstay Length Horizontal
414.1mm
Front-Center
622mm
Front-Center Horizontal
617.9mm
Wheelbase
1032mm
Fork Offset/Rake
50mm
Trail
56.5mm
mid/​neutral
Mechanical Trail
53.9mm
Wheel Flop
16.2mm
Standover Height
815mm
Tire to Pedal Spindle Distance
With 170 mm cranks
106.7mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
105.3mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.1in
Tire Outer Diameter
690.7mm
Bike Length with Tires
1722.7mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Carbon/Composite
Fork Material
Carbon/Composite
Brake Type
Disc

Published Sizing Recommendations

Height
6 ft 2 in
to
6 ft 7 in
Source:https://opencycle.com/UP