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The Giant Fathom 29 2 Complete Mountain Bike doesn't shy away from tech trails. This efficient 29er rolls with stability and speed, delivering a balanced ride that will have you cranking out smile after mile. An aluminum hardtail is the perfect choice for longer rides in rolling terrain.
ALUXX SL Aluminum Construction – Extremely lightweight framesets featuring high-performance strength-to-weight ratios, predominantly featuring 6011 alloy. A heritage of craftsmanship combined with unmatched manufacturing capabilities gives Giant the unique ability to monitor every step of the aluminum frame-building process. Through Giant's cutting-edge materials science, proprietary forming techniques, and attention to detail, we are constantly advancing aluminum performance to create bikes that are lighter, stronger and stiffer. The difference can be felt in the ride. Every aluminum bike bearing the ALUXX Aluminum Technology label must live up to the highest standards and meet the tightest tolerances of any aluminum frame in the world.
OverDrive – 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.
Suntour Raidon XC LO-R – A solid XC workhorse, the Raidon is a durable high performance driven fork ready to tackle trails for multiple seasons with minimal maintenance. Sealed cartridge design with lockout and and external rebound adjuster. The air spring design allows for riders to set their preferred pressure to make the fork feel how they want. Light weight 32mm stanchion tubes and chassis make for a good handling and stiff XC fork.
Fork Adjustments – Hydraulic Lockout / External Hydraulic Rebound Adjustment / Adjustable Air Volume with Preload Adjust
SRAM SX Eagle™ – The latest addition to SRAM's 12-speed juggernaut, SX Eagle brings their amazing gear range, chain retention, and reliability to the masses. Say goodbye to your front derailleur and start pedaling: this group can handle everything from XC tours to all-mountain riding.
Tektro HD-M275 Hydraulic Disc Brakeset – This dual piston brake is easy to maintain, offers excellent fade-free performance, and comes without a huge weight penalty. With 160mm rotors and comfortable levers.
Maxxis Forekaster 2 Front Tire – Mid-height tread blocks are spaced evenly to allow penetration through loose trail conditions and openly for better mud-clearing compared to other race tires. Wide cupped knobs down the middle provide excellent braking on the sloppiest singletrack.
Maxxis Rekon Race Rear Tire – This semi-slick tire borrows its tread design from the trail version of the Rekon, but with smaller and shorter knobs. Use it as a rear tire paired with a more aggressive front tread, or front and rear for short track racing.
Oversize Item – Ships within the continental U.S. for $69. HI and AK shipping available. Please call for details.
| Size | S | M | L | XL |
| Reach (mm) | 406 | 425 | 441 | 457 |
| Stack (mm) | 603 | 608 | 622 | 636 |
| Effective Top Tube (mm) | 585 | 605 | 625 | 645 |
| Seat Tube (mm) | 390 | 445 | 480 | 530 |
| Head Tube Angle (°) | 69.0 | 69.0 | 69.0 | 69.0 |
| Seat Tube Angle (°) | 73.5 | 73.5 | 73.5 | 73.5 |
| Chainstay Length (mm) | 442 | 442 | 442 | 442 |
| Bottom Bracket Drop (mm) | 55 | 55 | 55 | 55 |
| Head Tube Length (mm) | 95 | 100 | 115 | 130 |
| Wheelbase (mm) | 1100 | 1121 | 1142 | 1163 |
| Standover Height (mm) | 700 | 739 | 751 | 782 |