2015 Jamis Bicycles Aurora Elite

Category
Touring
Design
Drop Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Steel
Features
Disc brake
Average stack and reachvs category
Somewhat aggressive stack and reachvs category
Average stack and reachvs category
Somewhat upright stack and reachvs category
Average stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

47
50
53
57
55
59
62
Stack
528mm
548mm
567mm
595mm
581mm
611mm
628mm
Reach
368mm
384mm
378mm
373mm
379mm
378mm
386mm
Stack to Reach Ratio
1.43:1
1.43:1
1.5:1
1.6:1
1.53:1
1.62:1
1.63:1
Seat Tube Length, C-TTT
370mm
500mm
530mm
570mm
550mm
590mm
620mm
Top Tube Length, Effective/Horizontal Unknown
520mm
542mm
552mm
567mm
557mm
577mm
590mm
Top Tube Slope
17.9deg
5.2deg
4.4deg
3.5deg
3.8deg
3.1deg
1.9deg
Head Tube Angle
70deg
71.5deg
71.5deg
71.5deg
71.5deg
72deg
72.5deg
Seat Tube Angle
74deg
74deg
73deg
72deg
73deg
72deg
72deg
Head Tube Length
100mm
115mm
135mm
165mm
150mm
180mm
195mm
Bottom Bracket Drop
65mm
65mm
65mm
65mm
65mm
65mm
65mm
Bottom Bracket Height
281mm
281mm
281mm
281mm
281mm
281mm
281mm
Chainstay Length
440mm
440mm
440mm
440mm
440mm
440mm
440mm
Chainstay Length Horizontal
435.2mm
435.2mm
435.2mm
435.2mm
435.2mm
435.2mm
435.2mm
Front-Center
593.4mm
602.4mm
602.4mm
607.3mm
607.3mm
611.3mm
619.3mm
Front-Center Horizontal
589.8mm
598.8mm
598.8mm
603.8mm
603.8mm
607.8mm
615.8mm
Wheelbase
1025mm
1034mm
1034mm
1039mm
1039mm
1043mm
1051mm
Fork Offset/Rake
50mm
50mm
50mm
50mm
50mm
50mm
50mm
Trail
72.7mm
high
63.1mm
mid/​neutral
63.1mm
mid/​neutral
63.1mm
mid/​neutral
63.1mm
mid/​neutral
59.9mm
mid/​neutral
56.7mm
mid/​neutral
Mechanical Trail
68.3mm
59.8mm
59.8mm
59.8mm
59.8mm
56.9mm
54mm
Wheel Flop
23.4mm
19mm
19mm
19mm
19mm
17.6mm
16.3mm
Standover Height
704mm
790mm
807mm
840mm
824mm
858mm
880mm
Tire to Pedal Spindle
77.4mm
170 mm cranks
86.4mm
170 mm cranks
86.4mm
170 mm cranks
91.3mm
170 mm cranks
91.3mm
170 mm cranks
95.3mm
170 mm cranks
103.3mm
170 mm cranks
Pedal Spindle to Ground Clearance
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks

Elite Build

47
50
53
57
55
59
62
Wheel Size
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
Tire Width
35mm
35mm
35mm
35mm
35mm
35mm
35mm
Tire Outer Diameter
692mm
692mm
692mm
692mm
692mm
692mm
692mm
Bike Length with Tires
1717mm
1726mm
1726mm
1731mm
1731mm
1735mm
1743mm

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
Touring
Source:https://www.jamisbikes.com/catalog_archive/15_jamis_webcatalog.pdf