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.
Equation
Shimano 105
$2,899 USD
Matte Charcoal
Podium Champagne
Find your size
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.
Shimano 105 Components
Shimano 105 R7100
The Shimano 105 Di2 R7100 marks a major advancement by making electronic shifting more accessible to performance-focused riders.
FSA NO.69 SRS System
The FSA NO.69 SRS System is a durable and reliable integrated headset solution designed for smooth steering performance. With its sealed cartridge bearings and lightweight construction, it ensures precise handling and longevity.
DT Swiss E1800 Spline 32mm
Its wide rim provides enhanced comfort so you can tackle those miles with ease. Feel the thrill of speed as you glide effortlessly along the road, with every pedal stroke transferred to the road thanks to the reliable Ratchet system.
Frameset
Frame
Equation
Fork
Equation
Headset
FSA NO.69 SRS System
Integrated Cables
Yes
Wheels
Wheels
DT Swiss E1800 Spline 32mm
Tires
Vittoria Zaffiro Pro 700x30c
Tire Clearance
32c (34mm)
Group
Bottom Bracket
Shimano BB-RS500-PB
Front Derailleur
Shimano 105 R7100
Rear Derailleur
Shimano 105 R7100
Crankset
Length chart
Shimano R7100 50/34
Chain
Shimano 105 CN-M7100
Cassette
Shimano 105 CS-R7100 11-34
Brakes
Brakes
Shimano 105 R7120 Shifter/Caliper Set
Rotors
Shimano SM-RT86, 6-bolt / F:160mm R:160mm
Shifters
Shimano 105 R7120
Other Components
Handlebar
Width chart
FSA Vero Compact
Stem
Length chart
FSA OS-167 Omega Pro
Bar Tape
Prologo Plaintouch black
Saddle
Prologo Akero
Seatpost
FSA Gossamer SB20 27.2mm
Geometry and fit
Geometry
XXS44-46
XS47-50
S51-53
M54-56
L57-59
XL60-62
A
Seat tube Height
cm
42,0
45,0
48,5
52,0
55,5
59,0
B
Seat tube angle
deg
75,5
74,9
74,3
73,7
73,1
72,5
C
Head Tube Angle
deg
70,3
71,3
72,0
72,0
72,0
72,5
D
Top tube length
cm
49,6
51,6
53,7
55,8
58,0
60,4
E
Chain stay length
cm
41,7
41,7
42,0
42,0
42,0
42,0
F
Wheelbase
cm
98,1
98,9
99,7
101,3
103,0
104,3
G
BB Drop
cm
8,0
8,0
7,8
7,8
7,5
7,5
H1
Head Tube Length 3D (0mm)
cm
8,4
10,1
12,0
14,1
16,6
18,9
H2
Head Tube Length 3D (25mm)
cm
10,9
12,6
14,5
16,6
19,1
21,4
I
Stand Over Height
cm
67,3
70.0
73,4
76,4
79,7
82,7
L
Fork Length (Axle-to-crown)
cm
38,7
38,7
38,7
38,7
38,7
38,7
R
Fork Rake
cm
5,2
5,2
4,7
4,7
4,7
4,7
T
Trail
cm
6,8
6,1
6,2
6,2
6,2
5,9
Fit (Stack and Reach)
XXS44-46
XS47-50
S51-53
M54-56
L57-59
XL60-62
J
Stack
cm
51,8
53,7
55,8
57,8
60,0
62,3
J
Stack 3D (25mm)
cm
54,1
56,1
58,1
60,2
62,3
64,6
K
Reach S
cm
35,9
36,9
37,9
38,8
39,7
40,7
K
Reach 3D (25mm)
cm
35,1
36,1
37,2
38,1
39,0
40,0
Saddle Height Min
cm
56,0
59,0
62,5
66,0
69,5
73,0
Saddle Height Max
cm
74,0
77,0
80,5
84,0
87,5
91,0
Nitrogen
You can have it all
Nitrogen Pro
You can have it all
Equation
Summer starts here: Maximum value to max out those long days
Sum
Own the season: the Sum will get you ahead on the climbs, keep you there on the flats, and power you through the sprints.
Sum Pro
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.
