2021 Alaska NX Base

Design
Flat Bar, Rigid, suspension corrected
Frame
Aluminum
Fork
Aluminum
Features
Disc brake
Somewhat aggressive stack and reachvs category
Very aggressive stack and reachvs category

Geometry

18
20
Stack
590mm
590mm
Reach
428mm
450mm
Stack to Reach Ratio
1.38:1
1.31:1
Seat Tube Length, Unknown
457mm
508mm
Top Tube Length, Effective/Horizontal Unknown
608mm
608mm
Top Tube Slope
15.2deg
9.9deg
Head Tube Angle
68.5deg
68.5deg
Seat Tube Angle
73deg
73deg
Head Tube Length
130mm
130mm
Bottom Bracket Drop
50mm
50mm
Bottom Bracket Height
348.9mm
348.9mm
Chainstay Length
460mm
460mm
Chainstay Length Horizontal
457.3mm
457.3mm
Front-Center
689.5mm
711.5mm
Front-Center Horizontal
687.7mm
709.7mm
Wheelbase
1145mm
1167mm
Fork Offset/Rake
44mm
44mm
Fork Length (Axle-To-Crown)
468mm
468mm
Trail
109.8mm
very high
109.8mm
very high
Mechanical Trail
102.2mm
102.2mm
Wheel Flop
37.5mm
37.5mm
Standover Height
763mm
800mm
Tire to Pedal Spindle
120.7mm
170 mm cranks
142.6mm
170 mm cranks
Pedal Spindle to Ground Clearance
178.9mm
170 mm cranks
178.9mm
170 mm cranks

Base Build

18
20
Wheel Size
26 in
559 mm BSD
26 in
559 mm BSD
Tire Width
4.7in
4.7in
Tire Outer Diameter
797.8mm
797.8mm
Bike Length with Tires
1942.8mm
1964.8mm

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
Rigid Fatbike
Source:https://fatbiker.ru/product/alaskanx18_premium