2009 Jamis Bicycles Aurora Base

Geometry

47
50
53
55
57
59
62
Seat Tube Length, C-TTT
370mm
500mm
530mm
550mm
570mm
590mm
620mm
Top Tube Length, Effective/Horizontal Center
513mm
535mm
545mm
550mm
560mm
570mm
590mm
Head Tube Angle
70.5deg
72deg
72deg
72deg
72deg
72.5deg
72.5deg
Seat Tube Angle
74deg
74deg
73deg
73deg
72deg
72deg
72deg
Head Tube Length
100mm
115mm
135mm
150mm
165mm
180mm
195mm
Bottom Bracket Drop
68mm
68mm
68mm
68mm
68mm
68mm
68mm
Bottom Bracket Height
275mm
275mm
275mm
275mm
275mm
275mm
275mm
Chainstay Length
440mm
440mm
440mm
440mm
440mm
440mm
440mm
Chainstay Length Horizontal
434.7mm
434.7mm
434.7mm
434.7mm
434.7mm
434.7mm
434.7mm
Front-Center
581.3mm
591.2mm
591.2mm
596.2mm
596.2mm
601.1mm
620mm
Front-Center Horizontal
577.3mm
587.3mm
587.3mm
592.3mm
592.3mm
597.3mm
616.3mm
Wheelbase
1012mm
1022mm
1022mm
1027mm
1027mm
1032mm
1051mm
Fork Offset/Rake
50mm
50mm
50mm
50mm
50mm
50mm
50mm
Trail
68.4mm
high
58.9mm
mid/​neutral
58.9mm
mid/​neutral
58.9mm
mid/​neutral
58.9mm
mid/​neutral
55.7mm
mid/​neutral
55.7mm
mid/​neutral
Mechanical Trail
64.5mm
56mm
56mm
56mm
56mm
53.1mm
53.1mm
Wheel Flop
21.5mm
17.3mm
17.3mm
17.3mm
17.3mm
16mm
16mm
Standover Height
686mm
773mm
797mm
814mm
830mm
848mm
869mm
Tire to Pedal Spindle
73.3mm
165 mm cranks
78.2mm
170 mm cranks
78.2mm
170 mm cranks
83.2mm
170 mm cranks
78.2mm
175 mm cranks
83.1mm
175 mm cranks
102mm
175 mm cranks
Pedal Spindle to Ground Clearance
110mm
165 mm cranks
105mm
170 mm cranks
105mm
170 mm cranks
105mm
170 mm cranks
100mm
175 mm cranks
100mm
175 mm cranks
100mm
175 mm cranks

Base Build

47
50
53
55
57
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
32mm
32mm
32mm
32mm
32mm
32mm
32mm
Tire Outer Diameter
686mm
686mm
686mm
686mm
686mm
686mm
686mm
Bike Length with Tires
1698mm
1708mm
1708mm
1713mm
1713mm
1718mm
1737mm
Crank Length
165mm
170mm
170mm
170mm
175mm
175mm
175mm
Handlebar Width
380mm
400mm
420mm
420mm
440mm
440mm
440mm
Stem Length
90mm
90mm
105mm
105mm
115mm
115mm
115mm
Source:http://www.jamisbikes.com/catalog_archive/09_JAMIS_CATALOG.pdf