State-of-the-art aluminum frameset material features best-in-class strength-to-weight ratios and unique welding technologies for a high-performance ride quality.
Tenacious on steep climbs and confident on singletrack descents. This smooth-rolling hardtail 29er delivers a balanced ride quality for challenging XC terrain.
Built on an ALUXX SL aluminium frame, Fathom 29 features updated geometry that produces a stable ride quality for challenging XC trails. The frame is optimized for a 100mm suspension fork giving you efficiency on the climbs and total control on the descents.
ALUXX SL aluminium frameset is hand-built in-house by the world leader in aluminum engineering.
Frame geometry is designed to optimise the balance and roll-over capabilities of 29-inch wheels.
Suspension fork offers 100mm of smooth travel for added XC control.
Sizing to be used as a reference only. Please check with a local authorized Liv or Giant dealer to determine the correct size.
Available sizes may vary from country to country.
172 cm5’8” 180 cm5’11” 188 cm6’2” 198 cm6’6” 
| S | M | L | XL | ||
|---|---|---|---|---|---|
| A | Seat Tube Length (mm) (inch) | 39015.4 | 44517.5 | 48018.9 | 53020.9 |
| B | Seat Tube Angle (degrees) | 73.5° | 73.5° | 73.5° | 73.5° |
| C | Top Tube Length (mm) (inch) | 58523 | 60523.8 | 62524.6 | 64525.4 |
| D | Head Tube Length (mm) (inch) | 953.7 | 1003.9 | 1154.5 | 1305.1 |
| E | Head Tube Angle (degrees) | 69.0° | 69.0° | 69.0° | 69.0° |
| F | Fork Rake (mm) (inch) | 421.7 | 421.7 | 421.7 | 421.7 |
| G | Trail (mm) (inch) | 1014 | 1014 | 1014 | 1014 |
| H | Wheelbase (mm) (inch) | 110043.3 | 112144.1 | 114245 | 116345.8 |
| I | Chain Stay Length (mm) (inch) | 44217.4 | 44217.4 | 44217.4 | 44217.4 |
| J | Bottom Bracket Drop (mm) (inch) | 552.2 | 552.2 | 552.2 | 552.2 |
| K | Stack (mm) (inch) | 60323.7 | 60823.9 | 62224.5 | 63625 |
| L | Reach (mm) (inch) | 40616 | 42516.7 | 44117.4 | 45718 |
| M | Stand Over Height (mm) (inch) | 70027.6 | 73929.1 | 75129.6 | 78230.8 |
| O | Stem Length (mm) (inch) | 602.4 | 702.8 | 803.1 | 903.5 |
| P | Crank Length (mm) (inch) | 1706.7 | 1756.9 | 1756.9 | 1756.9 |
| Q | Wheel Size | 29" | 29" | 29" | 29" |
This High-Performance level, state-of-the-art aluminum material is made predominantly from 6011 alloy and delivers best-in-class strength-to-weight ratios. These framesets also feature unique welding technologies for a high-performance ride quality.
Giant’s original oversized fork steerer tube technology. Designed to provide precise front-end steering performance, the system’s oversized headset bearings (1 1/4” lower and 1 1/8” upper for road, 1 1/2” lower and 1 1/8” upper for mountain) and tapered steerer tube work in conjunction to provide optimal steering stiffness.
Fewer flat tires. Greater traction. Less rolling resistance and a smoother, faster ride. Giant’s Tubeless System makes it easier than ever to experience all these benefits.
All specifications listed are subject to change without notice.
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