Follow your own route, wherever it may lead. With stable flat bar positioning and disc brakes, Roam Disc handles all types of terrain and unlimited adventures.
Key Performance Factors
Agility and control
Updated flat-bar frame geometry puts the rider in a position that balances efficiency with stability, and disc brakes give you added control on rugged roads or dirt.
Smooth-riding comfort
The D-Fuse seatpost and suspension fork absorb road shocks and vibrations, and EasyRide Tubeless tires let you run lower pressure for a smoother ride quality and a reduced risk of flats.
Integrated rack mounts
Compatible with rear racks, allowing easy cargo capacity for daily trips or longer treks.
TECHS & FEATURES

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This Performance level frame material features 6061 alloy with single-butted tubes to produce strong, lightweight framesets for a variety of different bikes and riding styles.

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D-FUSE TECHNOLOGY
The D-Fuse seatpost and handlebar were designed to function as a system, absorbing road shocks and vibrations so you can ride further, faster.absorbing road shocks and vibrations so you can ride further, faster.
SIZING GUIDE AND GEOMETRY
Sizing to be used as a reference only. Please check with a local authorized dealer to determine the correct size.
Available sizes may vary from country to country.
S
M
L
XL

S
M
L
XL
A
SEAT TUBE LENGTH (mm)
420
460
500
550
B
SEAT TUBE ANGLE
73.0°
73.0°
73.0°
73.0°
C
TOP TUBE LENGTH (mm)
590
600
610
625
D
HEAD TUBE LENGTH (mm)
115
130
145
160
E
HEAD TUBE ANGLE
70.5°
70.5°
70.5°
70.5°
F
FORK RAKE (mm)
42
42
42
42
G
TRAIL (mm)
85
85
85
85
H
WHEELBASE (mm)
1088
1098
1109
1125
I
CHAIN STAY LENGTH (mm)
450
450
450
450
J
BOTTOM BRACKET DROP (mm)
62
62
62
62
K
STACK (mm)
606
620
634
648
L
REACH (mm)
404
410
416
427
M
STAND OVER HEIGHT (mm)
725
756
788
827
O
STEM LENGTH (mm)
70
80
90
100
P
CRANK LENGTH (mm)
170
170
175
175
Q
WHEEL SIZE
700C
700C
700C
700C
GRIPS
Giant Connect Ergo
HANDLEBAR
Giant Sport XC, 31.8mm
PEDALS
Platform
SADDLE
Giant Sport
SEATPOST
Giant D-Fuse, alloy
STEM
Giant Sport, 7-degree S:70mm, M:80mm, L:90mm, XL:100mm
BOTTOM BRACKET
Threaded
BRAKE LEVERS
Tektro TKD-143
BRAKES
Tektro TKD-143 hydraulic
BRAKES ROTOR
[F]160mm, [R]160mm rotors
CASSETTE
Shimano CS-HG200, 12x32
CHAIN
KMC Z7
CRANKSET
Forged alloy, 28/38/48 S:170mm, M:170mm, L:175mm, XL:175mm
FRONT DERAILLEUR
Shimano Tourney
REAR DERAILLEUR
Shimano Tourney
SHIFTERS
Shimano Altus, 3x7
FORK
SR Suntour NEX 700C, 63mm
FRAME
ALUXX-Grade Aluminium, disc
EXTRAS
53mm max tyre size
HUBS
Alloy, 32h
RIMS
Giant double wall aluminium
SPOKES
Stainless, 14g
TYRES
Giant CrossCut, 700x42c
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