2022 Why Cycles Big Iron Base L

Build

650B/27.5 in × 4.5 in

Insights

Average stack and reach vs trend of rigid fatbike bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
627mm
Reach
468mm
Stack to Reach Ratio
1.34:1
Seat Tube Length, Unknown
457mm
Top Tube Length, Effective/Horizontal HT Top
635mm
Top Tube Slope
17.5deg
Head Tube Angle
68.2deg
Seat Tube Angle
73deg
Head Tube Length
132mm
Bottom Bracket Drop
64mm
Bottom Bracket Height
342.3mm
Chainstay Length
445mm
Chainstay Length Max
460mm
Chainstay Length Horizontal
440.4mm
Chainstay Length Horizontal Max
455.5mm
Front-Center
734.4mm
Front-Center Horizontal
731.6mm
Wheelbase
1172mm
Wheelbase Max
1187.2mm
Fork Offset/Rake
51mm
Fork Length (Axle-To-Crown)
490mm
Trail
107.6mm
very high
Mechanical Trail
99.9mm
Wheel Flop
37.1mm
Tire to Pedal Spindle Distance
With 170 mm cranks
158.1mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
172.3mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
4.5in
Tire Outer Diameter
812.6mm
Bike Length with Tires
1984.6mm
Suspension Type
Rigid, suspension corrected
Bar Type
Flat Bar
Frame Material
Titanium
Fork Material
Carbon/Composite
Brake Type
Disc
Features
Single-speed capable

Published Sizing Recommendations

Height
5 ft 9 in
to
6 ft 2 in
Source:https://www.whycycles.com/our-bikes/big-iron-fat-bike/