2018 Giant Bicycles Fathom 2 XL

Build

650B/27.5 in × 2.25 in

Insights

Average stack and reach vs trend of hardtail trail mtb bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
625mm
Reach
460mm
Stack to Reach Ratio
1.36:1
Seat Tube Length, C-T
530mm
Top Tube Length, Effective/Horizontal HT Top
645mm
Top Tube Slope
10.8deg
Head Tube Angle
67deg
Seat Tube Angle
73.5deg
Head Tube Length
140mm
Bottom Bracket Drop
45mm
Bottom Bracket Height
304.2mm
Chainstay Length
425mm
Chainstay Length Horizontal
422.6mm
Front-Center
752.7mm
Front-Center Horizontal
751.4mm
Wheelbase
1174mm
Fork Offset/Rake
42mm
Trail
102.6mm
very high
Mechanical Trail
94.4mm
Wheel Flop
36.9mm
Standover Height
786mm
Tire to Pedal Spindle Distance
With 175 mm cranks
228.6mm
Pedal Spindle to Ground Clearance
With 175 mm cranks
129.2mm

2 Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.25in
Tire Outer Diameter
698.3mm
Bike Length with Tires
1872.3mm
Crank Length
175mm
Handlebar Width
780mm
Stem Length
70mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
120mm
Suspension Sag
25%
Frame Material
Aluminum
Fork Material
Aluminum
Brake Type
Disc
Source:https://www.giant-bicycles.com/us/fathom-2-2018