2022 Rotor Bikes Amundsen Base

Category
Touring
Design
Drop Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Steel
Features
N/A brake, Single-speed capable
Very aggressive stack and reachvs category

Geometry

M
Stack
596mm
Reach
419mm
Stack to Reach Ratio
1.42:1
Seat Tube Length, Unknown
560mm
Top Tube Length, Effective/Horizontal Center
590mm
Top Tube Slope
5.8deg
Head Tube Angle
71deg
Seat Tube Angle
74deg
Head Tube Length
150mm
Bottom Bracket Drop
74mm
Bottom Bracket Height
274mm
Chainstay Length
450mm
Chainstay Length Horizontal
443.9mm
Front-Center
656.3mm
Front-Center Horizontal
652.1mm
Wheelbase
1096mm
Fork Offset/Rake
50.5mm
Fork Length (Axle-To-Crown)
410mm
Trail
66.4mm
high
Mechanical Trail
62.8mm
Wheel Flop
20.5mm
Tire to Pedal Spindle
133.3mm
175 mm cranks
Pedal Spindle to Ground Clearance
99mm
175 mm cranks

Base Build

M
Wheel Size
700C/29 in
622 mm BSD
Tire Width
37mm
Tire Width Max
47mm
Tire Outer Diameter
696mm
Bike Length with Tires
1792mm
Crank Length
175mm
Handlebar Width
440mm

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.rotorbikes.com/wp-content/uploads/2022/03/Rotor_Amundsen_Geo_Techdata.pdf