2019 Opus Bike Spark 1

Design
Drop Bar, Rigid, non-suspension corrected
Average stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Average stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

XXS
XS
S
M
L
XL
Stack
533mm
550mm
565mm
582mm
598mm
617mm
Reach
362mm
363mm
370mm
377mm
385mm
390mm
Stack to Reach Ratio
1.47:1
1.52:1
1.53:1
1.54:1
1.55:1
1.58:1
Seat Tube Length, C-C
470mm
500mm
520mm
540mm
560mm
580mm
Top Tube Length, Effective/Horizontal HT Top
510mm
520mm
537mm
555mm
573mm
590mm
Head Tube Angle
70.5deg
71deg
71.5deg
72deg
72.5deg
72.5deg
Seat Tube Angle
74.5deg
74deg
73.5deg
73deg
72.5deg
72deg
Head Tube Length
114mm
129mm
144mm
159mm
174mm
194mm
Bottom Bracket Drop
275mm
275mm
275mm
275mm
275mm
275mm
Bottom Bracket Height
68mm
68mm
68mm
68mm
68mm
68mm
Chainstay Length
435mm
435mm
435mm
435mm
435mm
435mm
Chainstay Length Horizontal
337.1mm
337.1mm
337.1mm
337.1mm
337.1mm
337.1mm
Trail
Mechanical Trail
Wheel Flop
Pedal Spindle to Ground Clearance
-102mm
170 mm cranks
-102mm
170 mm cranks
-102mm
170 mm cranks
-102mm
170 mm cranks
-102mm
170 mm cranks
-102mm
170 mm cranks

1 Build

XXS
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
700C/29 in
622 mm BSD
Tire Width
32mm
32mm
32mm
32mm
32mm
32mm
Tire Outer Diameter
686mm
686mm
686mm
686mm
686mm
686mm

Published Sizing Recommendations

Height
12 ft 11 in
to
13 ft 4 in
to
14 ft 0 in
to
14 ft 7 in
to
15 ft 3 in
to
15 ft 10 in
to

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/velos/route-et-gravier/spark-1-op-spa118-fr/