2020 Giant Bicycles Fathom 29 2
- Category
- Hardtail Trail MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Aluminum
- Suspension
- 100mm fork travel
- Features
- Disc brake
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 | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
S | M | L | XL | |
Stack | 603mm | 608mm | 622mm | 636mm |
Reach | 406mm | 425mm | 441mm | 457mm |
Stack to Reach Ratio | 1.49:1 | 1.43:1 | 1.41:1 | 1.39:1 |
Seat Tube Length, C-T | 390mm | 445mm | 480mm | 530mm |
Top Tube Length, Effective/Horizontal Unknown | 585mm | 605mm | 625mm | 645mm |
Head Tube Angle | 69deg | 69deg | 69deg | 69deg |
Effective Seat Tube Angle, Seat Tube Top | 73.5deg | 73.5deg | 73.5deg | 73.5deg |
Head Tube Length | 95mm | 100mm | 115mm | 130mm |
Bottom Bracket Drop | 55mm | 55mm | 55mm | 55mm |
Bottom Bracket Height | 319.5mm | 319.5mm | 319.5mm | 319.5mm |
Chainstay Length | 442mm | 442mm | 442mm | 442mm |
Chainstay Length Horizontal | 438.6mm | 438.6mm | 438.6mm | 438.6mm |
Front-Center | 663.7mm | 684.7mm | 705.6mm | 726.5mm |
Front-Center Horizontal | 661.4mm | 682.4mm | 703.4mm | 724.4mm |
Wheelbase | 1100mm | 1121mm | 1142mm | 1163mm |
Fork Offset/Rake | 42mm | 42mm | 42mm | 42mm |
Trail | 98.8mm very high | 98.8mm very high | 98.8mm very high | 98.8mm very high |
Mechanical Trail | 92.2mm | 92.2mm | 92.2mm | 92.2mm |
Wheel Flop | 33mm | 33mm | 33mm | 33mm |
Standover Height | 700mm | 739mm | 751mm | 782mm |
Tire to Pedal Spindle | 119.2mm 170 mm cranks | 135.2mm 175 mm cranks | 156.1mm 175 mm cranks | 177mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 149.5mm 170 mm cranks | 144.5mm 175 mm cranks | 144.5mm 175 mm cranks | 144.5mm 175 mm cranks |
2 Build
S | M | L | XL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.5in | 2.5in | 2.5in | 2.5in |
Tire Outer Diameter | 749mm | 749mm | 749mm | 749mm |
Bike Length with Tires | 1849mm | 1870mm | 1891mm | 1912mm |
Crank Length | 170mm | 175mm | 175mm | 175mm |
Handlebar Width | 780mm | 780mm | 780mm | 780mm |
Stem Length | 60mm | 70mm | 80mm | 90mm |
Published Sizing Recommendations
Height | 163 cm to 172 cm | 171 cm to 180 cm | 179 cm to 188 cm | 187 cm to 198 cm |
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 Trail MTBSource:https://www.giant-bicycles.com/md/fathom-29-2-2020