Giant Fathom 1 Mountain Bike 2024 - Hardtail MTB
The Giant Fathom 1 is designed for trail enthusiasts, offering a balanced geometry and responsive handling. Its lightweight ALUXX SL aluminium frame, coupled with a 130mm suspension fork and high-volume tyres, ensures a smooth and controlled ride on rugged terrains.
Key Features:
- Frame: ALUXX SL-grade aluminium, 12x148mm thru-axle
- Front Suspension: Giant Crest 34 SL RCL, 130mm travel
- Drivetrain: SRAM SX Eagle, 1x12-speed
- Brakes: Shimano BR-MT420/410 hydraulic disc brakes
- Wheels: 27.5" wheels with Maxxis Ardent Race 27.5x2.6" tyres
- Dropper seatpost with handlebar remote
- Available with 0% APR finance
The Giant Fathom 1 is your gateway to singletrack fun. Its lightweight ALUXX SL aluminium frame offers agility and strength, making it perfect for climbing, cornering, and accelerating. The trail-tuned geometry, with a 75-degree seat tube angle, puts you in an optimal pedalling position for climbs, while the 66-degree head angle boosts confidence on descents.
The Giant Crest 34 SL RCL fork provides 130mm of travel, absorbing shocks from roots, rocks, and ruts, ensuring smooth control. The 27.5" wheels, fitted with Maxxis Ardent Race tyres, offer excellent traction and stability on varied terrains. The bike also features a dropper seatpost with a handlebar remote, allowing you to adjust the saddle height on the fly for changing trail conditions.
The SRAM SX Eagle drivetrain with 12 speeds delivers precise and reliable shifting, while the Shimano hydraulic disc brakes ensure strong and consistent stopping power. Whether you're hammering the flats or tackling technical descents, the Giant Fathom 1 is built to handle it all with efficiency and speed.
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | ALUXX SL-Grade Aluminium, 12x148mm thru-axle |
| Fork | Giant Crest 34 SL RCL, 130mm, 44mm offset, Boost 15x110 |
| Stem | Giant Contact SL 35 |
| Bars | Giant Contact SL TR35, 780x35mm |
| Front Brake | Shimano BR-MT420/410, hydraulic, Shimano RT-26 rotors [F]180mm, [R]180mm |
| Rear Brake | Shimano BR-MT420/410, hydraulic, Shimano RT-26 rotors [F]180mm, [R]180mm |
| Brake Lever | Shimano BR-MT401 |
| Rear Mech | SRAM NX Eagle |
| Shifters | SRAM SX Eagle, 1x12 |
| Speed | 12 |
| Rims | Giant AM 27.5, tubeless ready sleeve-joint rim, 30mm inner width |
| Front Hub | Alloy, sealed |
| Rear Hub | alloy, sealed |
| Spokes | Stainless steel |
| Front Tyre | Maxxis Ardent Race 27.5x2.6, folding, TR |
| Rear Tyre | Maxxis Ardent Race 27.5x2.6, folding, TR |
| Seat Post | Giant Contact Switch dropper, remote S: 125mm travel / 30.9 x 395mm M: 125mm travel / 30.9 x 395mm L: 150mm travel / 30.9 x 440mm XL: 170mm travel / 30.9 x 450mm |
| Saddle | Giant Romero |
| Chainset | SRAM SX Eagle, 30T |
| Bottom Bracket | SRAM SX PowerSpline, threaded |
| Chain | SRAM SX Eagle |
| Cassette | SRAM SX Eagle, 11x50 |
| Pedals | Resin Platform |
Mountain Bike Size Chart
|
Height
|
Bike Size
|
Mountain Bike Size
|
|
4’8” – 5’1”
143 – 155 cm
|
XXS
|
13” (33 cm)
|
|
5’1” – 5’4”
155 – 163 cm
|
XS
|
15” (38 cm)
|
|
5’4” – 5’7”
163 – 170 cm
|
S
|
16” (41 cm)
|
|
5’7” – 5’10”
170 – 178 cm
|
M
|
18” (46cm)
|
|
5’10” – 6’0”
178 – 183 cm
|
L
|
19” (48cm)
|
|
6’0” – 6’3”
183 – 191 cm
|
XL
|
20” (51 cm)
|
|
6’3” – 6’5”
191 – 196 cm
|
XXL
|
21” (53 cm)
|
|
6’5” – 6’9”
196 – 205 cm
|
XXXL
|
22” (56 cm)
|
* Mountain bikes are sized differently to road bikes. Typically, they are sized in inches as the first MTBs were produced in the USA. European brands like Lapierre and Haibike like to use centimetres for all their bikes. The measurements of their mountain bikes doesn’t match their road bikes but are like a simple conversion from the inches measurement. This is why we have included cm measurements in brackets for the Mountain bike column.
Read our bike size guide for more information on sizing.
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Giant Fathom 1 Mountain Bike 2024 - Hardtail MTB
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