2023 105 Di2 Orro Bikes Gold STC Base

Design
Drop Bar, Rigid, non-suspension corrected
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

Geometry

XS
S
M
L
XL
Stack
510mm
531mm
559mm
582mm
600mm
Reach
362mm
372mm
380mm
395mm
406mm
Stack to Reach Ratio
1.41:1
1.43:1
1.47:1
1.47:1
1.48:1
Seat Tube Length, C-T
500mm
520mm
539mm
565mm
585mm
Top Tube Length, Effective/Horizontal Unknown
500mm
520mm
540mm
567mm
584mm
Top Tube Slope
3.2deg
3.4deg
4.4deg
4.2deg
3.9deg
Head Tube Angle
71deg
71.5deg
73deg
73deg
73.3deg
Seat Tube Angle
75deg
74.5deg
74deg
73.5deg
73.5deg
Head Tube Length
115mm
135mm
155mm
180mm
200mm
Bottom Bracket Height
Chainstay Length
407mm
407mm
407mm
407mm
410mm
Wheelbase
969mm
975mm
982mm
997mm
1015mm
Trail
Mechanical Trail
Wheel Flop

Base Build

XS
S
M
L
XL
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
Tire Width
28mm
28mm
28mm
28mm
28mm
Tire Outer Diameter
678mm
678mm
678mm
678mm
678mm
Bike Length with Tires
1647mm
1653mm
1660mm
1675mm
1693mm

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 Scale
Category Trend
Endurance Road
Source:https://www.orrobikes.com/product/2022-gold-stc-105-di2-bike