2023 Giant Bicycles Fathom 29 2 XL
Build
29mm BSD × 2.5 mm
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
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Geometry
| Stack | 640mm |
| Reach | 490mm |
| Stack to Reach Ratio | 1.31:1 |
| Seat Tube Length, Unknown | 495mm |
| Top Tube Length, Actual C-C | 662mm |
| Top Tube Slope | 14.7deg |
| Head Tube Angle | 66deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 115mm |
| Bottom Bracket Drop | 60mm |
| Bottom Bracket Height | -43mm |
| Chainstay Length | 438mm |
| Chainstay Length Horizontal | 433.9mm |
| Front-Center | 798.4mm |
| Front-Center Horizontal | 796.1mm |
| Wheelbase | 1230mm |
| Fork Offset/Rake | 44mm |
| Trail | -40.6mm |
| Mechanical Trail | -37.1mm |
| Wheel Flop | -15.1mm |
| Standover Height | 791mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 611.4mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | -213mm |
2 Build
| Wheel Size | 29mm BSD |
| Tire Width | 2.5mm |
| Tire Outer Diameter | 34mm |
| Bike Length with Tires | 1264mm |
| Crank Length | 170mm |
| Handlebar Width | 780mm |
| Stem Length | 50mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Swept Back Bar |
| Fork Travel | 130mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://www.giant-bicycles.com/gb/fathom-29-2-2023