2022 Giant Bicycles Fathom 1 M

Build

650B/27.5 in × 2.6 in

Insights

Average stack and reach vs trend of hardtail trail mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
622mm
Reach
445mm
Stack to Reach Ratio
1.4:1
Seat Tube Length, C-T
430mm
Top Tube Length, Effective/Horizontal Unknown
612mm
Head Tube Angle
66deg
Effective Seat Tube Angle, Seat Tube Top
75deg
Head Tube Length
95mm
Bottom Bracket Drop
60mm
Bottom Bracket Height
298mm
Chainstay Length
435mm
Chainstay Length Horizontal
430.8mm
Front-Center
745.6mm
Front-Center Horizontal
743.2mm
Wheelbase
1174mm
Fork Offset/Rake
44mm
Trail
111.3mm
very high
Mechanical Trail
101.6mm
Wheel Flop
41.3mm
Standover Height
726mm
Tire to Pedal Spindle Distance
With 170 mm cranks
217.5mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
128mm

1 Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.6in
Tire Outer Diameter
716.1mm
Bike Length with Tires
1890.1mm
Crank Length
170mm
Handlebar Width
780mm
Stem Length
40mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
130mm
Suspension Sag
Unknown
Frame Material
Aluminum
Fork Material
N/A
Brake Type
Disc

Published Sizing Recommendations

Height
181 cm
to
180 cm
Source:https://www.giant-bicycles.com/us/fathom-1-2022