2021 Jamis Bicycles Allegro A1

Category
Fitness
Design
Flat Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Carbon/Composite
Features
Disc brake
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

15"
17"
19"
21"
23"
Stack
546mm
570mm
591mm
614mm
638mm
Reach
386mm
391mm
396mm
401mm
406mm
Stack to Reach Ratio
1.41:1
1.46:1
1.49:1
1.53:1
1.57:1
Seat Tube Length, Unknown
381mm
431.8mm
482.6mm
533.4mm
584.2mm
Top Tube Length, Effective/Horizontal Center
554mm
566mm
577mm
589mm
601mm
Top Tube Slope
20.1deg
16.9deg
13.6deg
10.6deg
7.8deg
Head Tube Angle
72deg
72deg
72deg
73deg
73deg
Seat Tube Angle
73deg
73deg
73deg
73deg
73deg
Head Tube Length
120mm
145mm
170mm
190mm
215mm
Bottom Bracket Drop
57.5mm
57.5mm
55mm
55mm
55mm
Bottom Bracket Height
288.5mm
288.5mm
291mm
291mm
291mm
Chainstay Length
435mm
435mm
435mm
440mm
440mm
Chainstay Length Horizontal
431.2mm
431.2mm
431.5mm
436.6mm
436.6mm
Front-Center
598.6mm
610.5mm
622.9mm
624.9mm
636.8mm
Front-Center Horizontal
595.8mm
607.8mm
620.5mm
622.5mm
634.5mm
Wheelbase
1027mm
1039mm
1052mm
1059mm
1071mm
Fork Offset/Rake
48mm
48mm
48mm
48mm
48mm
Trail
62mm
mid/​neutral
62mm
mid/​neutral
62mm
mid/​neutral
55.6mm
mid/​neutral
55.6mm
mid/​neutral
Mechanical Trail
58.9mm
58.9mm
58.9mm
53.2mm
53.2mm
Wheel Flop
18.2mm
18.2mm
18.2mm
15.5mm
15.5mm
Standover Height
734mm
766mm
804mm
839mm
872mm
Tire to Pedal Spindle
82.6mm
170 mm cranks
94.5mm
170 mm cranks
106.9mm
170 mm cranks
103.9mm
175 mm cranks
115.8mm
175 mm cranks
Pedal Spindle to Ground Clearance
118.5mm
170 mm cranks
118.5mm
170 mm cranks
121mm
170 mm cranks
116mm
175 mm cranks
116mm
175 mm cranks

A1 Build

15"
17"
19"
21"
23"
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
35mm
35mm
35mm
35mm
35mm
Tire Outer Diameter
692mm
692mm
692mm
692mm
692mm
Bike Length with Tires
1719mm
1731mm
1744mm
1751mm
1763mm
Crank Length
170mm
170mm
170mm
175mm
175mm
Handlebar Width
600mm
600mm
600mm
620mm
620mm
Stem Length
90mm
90mm
105mm
105mm
115mm
Stem Angle
10deg
10deg
10deg
10deg
10deg

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.jamisbikes.com/bikes/urban-fitness/urban-fitness/allegro/