2020 Giant Bicycles Roam 1 Disc

Category
Fitness
Design
Flat Bar, Hardtail (Front suspension)
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

XS
S
M
L
XL
Stack
558mm
596mm
611mm
625mm
Reach
403mm
408mm
413mm
419mm
Stack to Reach Ratio
1.38:1
1.46:1
1.48:1
1.49:1
Seat Tube Length, Unknown
390mm
420mm
460mm
510mm
Top Tube Length, Effective/Horizontal Unknown
580mm
590mm
600mm
610mm
Top Tube Slope
19.7deg
20.1deg
17.4deg
13.6deg
Head Tube Angle
70.5deg
70.5deg
70.5deg
70.5deg
Seat Tube Angle
73deg
73deg
73deg
73deg
Head Tube Length
95mm
115mm
130mm
145mm
Bottom Bracket Drop
60mm
60mm
60mm
60mm
Bottom Bracket Height
293mm
293mm
293mm
293mm
Chainstay Length
455mm
455mm
455mm
455mm
Chainstay Length Horizontal
451mm
451mm
451mm
451mm
Front-Center
637.8mm
647.8mm
658.7mm
669.7mm
Front-Center Horizontal
635mm
645mm
656mm
667mm
Wheelbase
1086mm
1096mm
1107mm
1118mm
Fork Offset/Rake
45mm
45mm
45mm
45mm
Trail
77.3mm
high
77.3mm
high
77.3mm
high
77.3mm
high
Mechanical Trail
72.8mm
72.8mm
72.8mm
72.8mm
Wheel Flop
24.3mm
24.3mm
24.3mm
24.3mm
Standover Height
701mm
727mm
752mm
781mm
Tire to Pedal Spindle
170 mm cranks
114.8mm
170 mm cranks
124.8mm
170 mm cranks
133.2mm
172.5 mm cranks
144.2mm
172.5 mm cranks
Pedal Spindle to Ground Clearance
170 mm cranks
123mm
170 mm cranks
123mm
170 mm cranks
120.5mm
172.5 mm cranks
120.5mm
172.5 mm cranks

1 Disc Build

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
Tire Width
42mm
42mm
42mm
42mm
42mm
Tire Outer Diameter
706mm
706mm
706mm
706mm
706mm
Bike Length with Tires
1792mm
1802mm
1813mm
1824mm
Crank Length
170mm
170mm
172.5mm
172.5mm
Handlebar Width
640mm
640mm
670mm
670mm
Stem Length
80mm
90mm
100mm
110mm

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
Fitness
Source:https://www.giant-bicycles.com/md/roam-1-disc-2020