2020 Opus Bike Horizon AL 105-GRX

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Aluminum
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
Average stack and reachvs category

Geometry

XXS
XS
S
M
L
XL
Stack
530mm
550mm
570mm
590mm
610mm
630mm
Reach
364mm
369mm
376mm
384mm
392mm
400mm
Stack to Reach Ratio
1.46:1
1.49:1
1.52:1
1.54:1
1.56:1
1.58:1
Seat Tube Length, Effective Center
420mm
450mm
480mm
510mm
545mm
580mm
Top Tube Length, Effective/Horizontal Center
506mm
522mm
539mm
559mm
578mm
599mm
Head Tube Angle
69.75deg
70.5deg
71deg
71.5deg
72deg
72.5deg
Seat Tube Angle
75deg
74.5deg
74deg
73.5deg
73deg
72.5deg
Head Tube Length
113mm
133mm
153mm
173mm
193mm
213mm
Bottom Bracket Drop
77mm
76mm
75mm
74mm
73mm
72mm
Bottom Bracket Height
269mm
270mm
271mm
272mm
273mm
274mm
Chainstay Length
425mm
425mm
427mm
427mm
429mm
429mm
Chainstay Length Horizontal
418mm
418.2mm
420.4mm
420.5mm
422.7mm
422.9mm
Trail
Mechanical Trail
Wheel Flop
Standover Height
725mm
752mm
777mm
803mm
832mm
860mm
Pedal Spindle to Ground Clearance
104mm
165 mm cranks
100mm
170 mm cranks
99mm
172 mm cranks
100mm
172 mm cranks
101mm
172 mm cranks
99mm
175 mm cranks

105-GRX Build

XXS
XS
S
M
L
XL
Wheel Size
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
Tire Width
35mm
35mm
35mm
35mm
35mm
35mm
Tire Outer Diameter
692mm
692mm
692mm
692mm
692mm
692mm
Crank Length
165mm
170mm
172mm
172mm
172mm
175mm
Handlebar Width
380mm
400mm
420mm
420mm
440mm
460mm
Stem Length
80mm
90mm
100mm
100mm
110mm
110mm

Published Sizing Recommendations

Height
4 ft 9 in
to
5 ft 3 in
5 ft 1 in
to
5 ft 5 in
5 ft 4 in
to
5 ft 8 in
5 ft 7 in
to
5 ft 11 in
5 ft 10 in
to
6 ft 2 in
6 ft 1 in
to
6 ft 5 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 Scale
Category Trend
All-road/Gravel
Source:https://www.opusbike.com/en/product/adventure/356-horizon-al-105-grx.html