2019 Jamis Bicycles Aurora Base 55

Build

700C/29 in × 32 mm

Insights

Somewhat aggressive stack and reach vs trend of touring bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
571mm
Reach
386mm
Stack to Reach Ratio
1.48:1
Seat Tube Length, C-T
550mm
Top Tube Length, Effective/Horizontal Center
561mm
Top Tube Slope
4.7deg
Head Tube Angle
71.5deg
Seat Tube Angle
73deg
Head Tube Length
150mm
Bottom Bracket Drop
65mm
Bottom Bracket Height
278mm
Chainstay Length
440mm
Chainstay Length Horizontal
435.2mm
Front-Center
612.3mm
Front-Center Horizontal
608.8mm
Wheelbase
1044mm
Fork Offset/Rake
50mm
Trail
62mm
mid/​neutral
Mechanical Trail
58.8mm
Wheel Flop
18.7mm
Standover Height
826mm
Tire to Pedal Spindle Distance
With 170 mm cranks
99.3mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
108mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
32mm
Tire Outer Diameter
686mm
Bike Length with Tires
1730mm
Crank Length
170mm
Handlebar Width
420mm
Stem Length
105mm
Stem Angle
10deg
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Disc
Source:https://www.jamisbikes.com/usa/aurora.html