2020 Giant Bicycles Fathom 29 2 M
Build
700C/29 in × 2.5 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 | 608mm |
| Reach | 425mm |
| Stack to Reach Ratio | 1.43:1 |
| Seat Tube Length, C-T | 445mm |
| Top Tube Length, Effective/Horizontal Unknown | 605mm |
| Head Tube Angle | 69deg |
| Effective Seat Tube Angle, Seat Tube Top | 73.5deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 55mm |
| Bottom Bracket Height | 319.5mm |
| Chainstay Length | 442mm |
| Chainstay Length Horizontal | 438.6mm |
| Front-Center | 684.7mm |
| Front-Center Horizontal | 682.4mm |
| Wheelbase | 1121mm |
| Fork Offset/Rake | 42mm |
| Trail | 98.8mm very high |
| Mechanical Trail | 92.2mm |
| Wheel Flop | 33mm |
| Standover Height | 739mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 135.2mm |
| Pedal Spindle to Ground Clearance With 175 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 | 1870mm |
| Crank Length | 175mm |
| Handlebar Width | 780mm |
| Stem Length | 70mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | N/A |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 171 cm to 180 cm |
Source:https://www.giant-bicycles.com/md/fathom-29-2-2020