2021 Giant Bicycles Fathom 29 2 S

Build

700C/29 in × 2.5 in

Insights

Average stack and reach vs trend of hardtail trail mtb bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
622mm
Reach
425mm
Stack to Reach Ratio
1.46:1
Seat Tube Length, C-T
380mm
Top Tube Length, Effective/Horizontal Unknown
592mm
Head Tube Angle
66deg
Effective Seat Tube Angle, Seat Tube Top
75deg
Head Tube Length
95mm
Bottom Bracket Drop
60mm
Bottom Bracket Height
314.5mm
Chainstay Length
435mm
Chainstay Length Horizontal
430.8mm
Front-Center
725.6mm
Front-Center Horizontal
723.2mm
Wheelbase
1154mm
Fork Offset/Rake
44mm
Trail
118.6mm
very high
Mechanical Trail
108.3mm
Wheel Flop
44.1mm
Standover Height
730mm
Tire to Pedal Spindle Distance
With 165 mm cranks
186.1mm
Pedal Spindle to Ground Clearance
With 165 mm cranks
149.5mm

2 Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
2.5in
Tire Outer Diameter
749mm
Bike Length with Tires
1903mm
Crank Length
165mm
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
163 cm
to
172 cm
Source:https://www.giant-bicycles.com/us/fathom-29-2-2021