2019 Giant Bicycles Fathom 29 1
- Category
- Hardtail Cross-country MTB
- Design
- Flat Bar, Hardtail (Front suspension)
Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
M | L | XL | |
Stack | 608mm | 622mm | 636mm |
Reach | 425mm | 441mm | 457mm |
Stack to Reach Ratio | 1.43:1 | 1.41:1 | 1.39:1 |
Seat Tube Length, C-T | 445mm | 480mm | 530mm |
Top Tube Length, Effective/Horizontal Unknown | 605mm | 625mm | 645mm |
Top Tube Slope | 18.2deg | 15.7deg | 11.9deg |
Head Tube Angle | 69deg | 69deg | 69deg |
Seat Tube Angle | 73.5deg | 73.5deg | 73.5deg |
Head Tube Length | 100mm | 115mm | 130mm |
Bottom Bracket Drop | 55mm | 55mm | 55mm |
Bottom Bracket Height | 311.9mm | 311.9mm | 311.9mm |
Chainstay Length | 442mm | 442mm | 442mm |
Chainstay Length Horizontal | 438.6mm | 438.6mm | 438.6mm |
Front-Center | 684.7mm | 705.6mm | 726.5mm |
Front-Center Horizontal | 682.4mm | 703.4mm | 724.4mm |
Wheelbase | 1121mm | 1142mm | 1163mm |
Fork Offset/Rake | 42mm | 42mm | 42mm |
Trail | 95.8mm very high | 95.8mm very high | 95.8mm very high |
Mechanical Trail | 89.5mm | 89.5mm | 89.5mm |
Wheel Flop | 32.1mm | 32.1mm | 32.1mm |
Standover Height | 739mm | 751mm | 782mm |
Tire to Pedal Spindle | 142.8mm 175 mm cranks | 163.7mm 175 mm cranks | 184.6mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 136.9mm 175 mm cranks | 136.9mm 175 mm cranks | 136.9mm 175 mm cranks |
1 Build
M | L | XL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.2in | 2.2in | 2.2in |
Tire Outer Diameter | 733.8mm | 733.8mm | 733.8mm |
Bike Length with Tires | 1854.8mm | 1875.8mm | 1896.8mm |
Crank Length | 175mm | 175mm | 175mm |
Handlebar Width | 780mm | 780mm | 780mm |
Stem Length | 70mm | 80mm | 90mm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Hardtail Cross-country MTBSource:https://www.giant-bicycles.com/gb/fathom-29-1-2019