2021 Giant Bicycles Fathom 29 2 L

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
631mm
Reach
470mm
Stack to Reach Ratio
1.34:1
Seat Tube Length, C-T
465mm
Top Tube Length, Effective/Horizontal Unknown
639mm
Head Tube Angle
66deg
Effective Seat Tube Angle, Seat Tube Top
75deg
Head Tube Length
105mm
Bottom Bracket Drop
60mm
Bottom Bracket Height
314.5mm
Chainstay Length
435mm
Chainstay Length Horizontal
430.8mm
Front-Center
774.5mm
Front-Center Horizontal
772.2mm
Wheelbase
1203mm
Fork Offset/Rake
44mm
Trail
118.6mm
very high
Mechanical Trail
108.3mm
Wheel Flop
44.1mm
Standover Height
765mm
Tire to Pedal Spindle Distance
With 170 mm cranks
230mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
144.5mm

2 Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
2.5in
Tire Outer Diameter
749mm
Bike Length with Tires
1952mm
Crank Length
170mm
Handlebar Width
780mm
Stem Length
50mm
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
179 cm
to
188 cm
Source:https://www.giant-bicycles.com/us/fathom-29-2-2021