2019 Noble Bikes GX3 Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Carbon/Composite
Features
Disc brake
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category

Geometry

48cm
50cm
52cm
54cm
56cm
58cm
60cm
Stack
536mm
542mm
560mm
576mm
591mm
612mm
626mm
Reach
367mm
370mm
374mm
379mm
389mm
392mm
403mm
Stack to Reach Ratio
1.46:1
1.46:1
1.5:1
1.52:1
1.52:1
1.56:1
1.55:1
Seat Tube Length, C-T
450mm
470mm
490mm
510mm
530mm
550mm
570mm
Top Tube Length, Effective/Horizontal HT Top
510mm
520mm
535mm
555mm
570mm
585mm
600mm
Top Tube Slope
11.8deg
10.2deg
9.9deg
9.5deg
8.8deg
8.9deg
8.2deg
Head Tube Angle
70deg
70.5deg
71.5deg
71.5deg
71.5deg
71.5deg
71.5deg
Seat Tube Angle
75deg
74.5deg
74deg
73deg
73deg
72.5deg
72.5deg
Head Tube Length
100mm
110mm
125mm
145mm
160mm
185mm
200mm
Bottom Bracket Drop
82.5mm
77.5mm
77.5mm
75mm
75mm
72.5mm
72.5mm
Bottom Bracket Height
268.5mm
273.5mm
273.5mm
276mm
276mm
278.5mm
278.5mm
Chainstay Length
440mm
440mm
440mm
440mm
440mm
440mm
440mm
Chainstay Length Horizontal
432.2mm
433.1mm
433.1mm
433.6mm
433.6mm
434mm
434mm
Front-Center
593.2mm
594.7mm
595.3mm
606.1mm
621mm
631.5mm
647.1mm
Front-Center Horizontal
587.4mm
589.7mm
590.3mm
601.5mm
616.5mm
627.4mm
643mm
Wheelbase
1019.6mm
1022.8mm
1023.4mm
1035mm
1050.1mm
1061.3mm
1077mm
Fork Offset/Rake
52mm
52mm
52mm
52mm
52mm
52mm
52mm
Fork Length (Axle-To-Crown)
400mm
400mm
400mm
400mm
400mm
400mm
400mm
Trail
72.4mm
high
69.1mm
high
62.6mm
mid/​neutral
62.6mm
mid/​neutral
62.6mm
mid/​neutral
62.6mm
mid/​neutral
62.6mm
mid/​neutral
Mechanical Trail
68.1mm
65.2mm
59.4mm
59.4mm
59.4mm
59.4mm
59.4mm
Wheel Flop
23.3mm
21.8mm
18.8mm
18.8mm
18.8mm
18.8mm
18.8mm
Tire to Pedal Spindle
72.2mm
170 mm cranks
73.7mm
170 mm cranks
74.3mm
170 mm cranks
85.1mm
170 mm cranks
100mm
170 mm cranks
110.5mm
170 mm cranks
126.1mm
170 mm cranks
Pedal Spindle to Ground Clearance
98.5mm
170 mm cranks
103.5mm
170 mm cranks
103.5mm
170 mm cranks
106mm
170 mm cranks
106mm
170 mm cranks
108.5mm
170 mm cranks
108.5mm
170 mm cranks

Base Build

48cm
50cm
52cm
54cm
56cm
58cm
60cm
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
700C/29 in
622 mm BSD
Tire Width
40mm
40mm
40mm
40mm
40mm
40mm
40mm
Tire Outer Diameter
702mm
702mm
702mm
702mm
702mm
702mm
702mm
Bike Length with Tires
1721.6mm
1724.8mm
1725.4mm
1737mm
1752.1mm
1763.3mm
1779mm

Published Sizing Recommendations

Height
5 ft 0 in
to
5 ft 3 in
5 ft 3 in
to
5 ft 5 in
5 ft 5 in
to
5 ft 7 in
5 ft 7 in
to
5 ft 9 in
5 ft 9 in
to
5 ft 11 in
5 ft 11 in
to
6 ft 1 in
6 ft 1 in
to
6 ft 3 in

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.noble-bikes.com/gx3