2021 Gusto GB DURO Sport Ultra

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Rim 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

Geometry

XS
S
SM
M
L
XL
Stack
496mm
508mm
519mm
530mm
551mm
572mm
Reach
362mm
370mm
373mm
382mm
389mm
398mm
Stack to Reach Ratio
1.37:1
1.37:1
1.39:1
1.39:1
1.42:1
1.44:1
Seat Tube Length, C-T
465mm
470mm
495mm
500mm
530mm
560mm
Top Tube Length, Effective/Horizontal HT Top
495mm
506mm
520mm
534mm
553mm
567mm
Top Tube Slope
5.6deg
6.3deg
4.8deg
5.4deg
4.5deg
3.6deg
Head Tube Angle
71deg
71deg
71.5deg
72deg
72.5deg
73deg
Seat Tube Angle
75deg
75deg
74deg
74deg
73.5deg
73.5deg
Head Tube Length
98mm
110mm
118mm
130mm
150mm
170mm
Bottom Bracket Drop
68mm
68mm
68mm
68mm
68mm
68mm
Bottom Bracket Height
268mm
268mm
268mm
268mm
268mm
268mm
Chainstay Length
409mm
409mm
409mm
409mm
409mm
409mm
Chainstay Length Horizontal
403.3mm
403.3mm
403.3mm
403.3mm
403.3mm
403.3mm
Front-Center
561mm
573mm
573mm
583mm
593mm
603mm
Front-Center Horizontal
556.7mm
566.7mm
568.7mm
576.7mm
586.7mm
596.7mm
Wheelbase
960mm
970mm
972mm
980mm
990mm
1000mm
Fork Offset/Rake
44.7mm
42.7mm
42.5mm
42.4mm
43.3mm
42.7mm
Fork Length (Axle-To-Crown)
373mm
373mm
373mm
373mm
373mm
373mm
Trail
68.4mm
high
70.5mm
high
67.6mm
high
64.6mm
mid/​neutral
60.5mm
mid/​neutral
58.1mm
mid/​neutral
Mechanical Trail
64.7mm
66.7mm
64.1mm
61.4mm
57.7mm
55.6mm
Wheel Flop
21.1mm
21.7mm
20.4mm
19mm
17.4mm
16.3mm
Tire to Pedal Spindle
55mm
170 mm cranks
67mm
170 mm cranks
67mm
170 mm cranks
77mm
170 mm cranks
87mm
170 mm cranks
97mm
170 mm cranks
Pedal Spindle to Ground Clearance
98mm
170 mm cranks
98mm
170 mm cranks
98mm
170 mm cranks
98mm
170 mm cranks
98mm
170 mm cranks
98mm
170 mm cranks

Sport Ultra Build

XS
S
SM
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
700C/29 in
622 mm BSD
Tire Width
25mm
25mm
25mm
25mm
25mm
25mm
Tire Outer Diameter
672mm
672mm
672mm
672mm
672mm
672mm
Bike Length with Tires
1632mm
1642mm
1644mm
1652mm
1662mm
1672mm

Published Sizing Recommendations

Height
150 cm
to
158 cm
156 cm
to
164 cm
162 cm
to
170 cm
168 cm
to
176 cm
174 cm
to
182 cm
180 cm
to
190 cm

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
Performance Road
Source:https://www.gustobike.com/product/2021-duro-sport-ultra/?lang=en