Sum Pro

Be the first to review this product

Meet the best of the best: aero to match the Nitrogen, pure road performance to match the Gallium Pro, with race-ready handling and premium ride quality. The all-new Sum Pro features our most advanced layup and technologies to get you to the front of the group and keep you there, through the climbs, the corners, and the sprints.

Available late 2022.

Color: Crystal Black Gloss

All images on this page are used for illustrative purposes only. Actual bike specifications may vary depending on country and assembly options available. Please refer to the Features and Configurations section below for options available in your region.

All Together Faster

Quiver-killer? You want more than that. From the climbs to the crits, you’ll accept no compromises in aero performance, lightweight advantage, and flat-out, bunch sprint handling. CFD analysis shows the Sum Pro's aero performance as equivalent to the all-aero Nitrogen and 9% faster than the Gallium Pro Disc. A lightweight layup is complemented by a minimalist candy clearcoat directly over the carbon. Design details like dropped seatstays and an indented seattube assure compliance in all the right places to keep you rooted in the saddle. An updated size range reflects our knowledge of rider fit, providing the best handling and positioning across all sizes.

Ideal for

Light, fast and designed to keep you on the road all day, the all-new Sum Pro is your bike for the classics, the crits, the climbs… and any challenge you find in between.

Core Technologies

Argon Fit System

Argon Fit System is designed to provide riders of all sizes with consistent performance and optimal positioning.

Road Race Geometry

Our road race geometry is designed around the razor-sharp reflexes and precision handling required for racers of all levels.

Pro Level Layup

We leave no room for compromise when we build bikes for the most demanding and passionate cyclists.

3D+

For our newest generation of bikes, we wanted to push our 3D System even further by merging it seamlessly with the frame.

Topological Compliance System

To achieve the optimal balance of comfort and performance for our endurance line, we needed geometry uniquely aligned with the demands of long-distance riding and racing. In conjunction with the best geometry, we also needed to optimise frame topology and carbon layup.

Features & Configurations

Max tire size

30c (32mm)

Max rim size

32mm

BB standard

BB86

Hourglass-shaped headtube

Provides aero efficiency with maximum stiffness

Profiled fork legs

Deflect air away from the downtube for maximum aero advantage

Configuration
Colorway
Frame
Fork
Seatpost
Headset
BB
(Bottom bracket)
Front derailleur
Rear derailleur
Crankset
See crankset measurements
Cassette
Chain
Wheelset
Tires
Brakes
Rotors
Brake levers
Shifters
Handlebar
See handlebar measurements
Stem
See stem measurements
Bar Tape
Saddle

Geometry

XXS44-46
XS47-50
S51-53
M54-56
L57-59
XL60-62
A
Seat tube Height
cm
39.5
42.5
46.0
50.5
55.0
59.5
B
Seat tube angle
deg
75.0
74.5
74.0
73.5
73.0
72.5
C
Head Tube Angle
deg
71.2
72.1
72.7
72.7
72.7
73.0
D
Top tube length
cm
50.3
52.0
53.8
55.7
57.8
60.0
E
Chain stay length
cm
41.0
41.0
41.0
41.0
41.0
41.0
F
Wheelbase
cm
96.7
97.2
97.5
99.0
100.6
102.0
G
BB Drop
cm
6.9
7.3
7.7
7.7
7.7
7.7
H1
Head Tube Length 3D (0mm)
cm
6.9
8.5
10.1
12.6
15.2
18.0
H2
Head Tube Length 3D (15mm)
cm
8.4
10.0
11.6
14.1
16.7
19.5
H3
Head Tube Length 3D (25mm)
cm
9.4
11.0
12.6
15.1
17.7
20.5
I
Stand Over Height
cm
67.6
70.0
72.7
76.6
80.4
84.1

Fit

(Stack and Reach)

XXS44-46
XS47-50
S51-53
M54-56
L57-59
XL60-62
J
Stack 3D (0mm)
cm
47.1
49.3
51.6
54.0
56.5
59.2
J
Stack 3D (15mm)
cm
48.5
50.7
53.0
55.4
57.9
60.6
J
Stack 3D (25mm)
cm
49.5
51.7
54.0
56.4
58.9
61.6
K
Reach 3D (0mm)
cm
37.5
38.2
38.9
39.7
40.5
41.4
K
Reach 3D (15mm)
cm
37.0
37.7
38.5
39.3
40.1
41.0
K
Reach 3D (25mm)
cm
36.7
37.4
38.2
39.0
39.8
40.7
Saddle Height Min
cm
56.5
59.5
63.0
67.5
72.0
76.5
Saddle Height Max
cm
71.5
74.5
78.0
82.5
87.0
91.5