Giant Fathom 1 27.5 Specs and reviews

Giant Fathom 1 27.5 fiche technique et avis

Giant Fathom 1 27.5 specs

General Information
Model Name Fathom 1 27.5
Brand/Manufacturer Giant
Year of Release 2022
Country of Origin Taiwan
Mountain Bike Type cross-country
Intended Use recreational
Frame & Geometry
Frame Material aluminum
Frame Size Options S, M, L, XL
Head Tube Angle 67.5 degrees
Seat Tube Angle 74.5 degrees
Chainstay Length 435mm
Wheelbase 1155mm
Axle Standard Boost 148mm
Bottom Bracket Type BSA
Internal Cable Routing true
Protection Features frame armor, chainstay protector
Suspension System
Suspension Type hardtail
Front Suspension Brand and Model RockShox
Front Suspension Travel 120mm
Drivetrain
Drivetrain Type 1x
Number of Speeds 12-speed
Rear Derailleur Model Shimano Deore XT
Shifter Brand and Model Shimano Deore
Crankset Details Length: 170mm / Chainring Size: 32T
Cassette Range 10-51T
Chain Type and Brand Shimano
Q-Factor standard
Braking System
Brake Type hydraulic disc
Brake Brand and Model Shimano Deore
Rotor Size Front: 180mm / Rear: 160mm
Brake Mount Standard post mount
Brake Pads organic
Wheels & Tires
Wheel Size 27.5"
Rim Material and Width aluminum, 25mm internal
Tubeless Ready true
Tire Brand, Model, and Width Maxxis Minion, 2.3"
Tire Tread Pattern and Intended Terrain aggressive knobs, all-terrain
Max Tire Pressure 35 PSI
Cockpit & Contact Points
Handlebar Type riser
Handlebar Material aluminum
Stem Length and Angle 60mm, 7 degrees
Grips Type lock-on
Saddle Brand and Model Giant Contact
Seatpost Type rigid
Seatpost Diameter 30.9mm
Pedals Included false
Headset Brand and Bearing Type FSA, integrated
Geometry & Fit
Available Frame Sizes S, M, L, XL
Rider Height Range 5'4" - 6'4"
Stack and Reach 605mm, 430mm
Price & Availability
MSRP $1,700
Market Availability Global
Color Options Black, Blue
Warranty Coverage Frame: Lifetime / Components: 1 year

Pros and Cons of Giant Fathom 1 27.5


Pros Cons
Lightweight aluminum frame May not be as durable as some steel frames
27.5-inch wheels provide good balance of agility and stability Not as versatile for different terrains as 29-inch wheels
Quality Shimano components for smooth shifting and braking Suspension may feel stiff on rough trails
Reasonably priced for the features offered May require additional upgrades for more advanced riders

Common Issues and Problems with Giant Fathom 1 27.5


Common Problems with Giant Fathom 1 27.5 Bike
1. Chain slipping or skipping gears during gear shifts
2. Brakes squeaking or not providing sufficient stopping power
3. Front or rear suspension feeling stiff or not responding properly
4. Seat post slipping or not staying at the desired height
5. Tires losing air frequently or prone to punctures
6. Creaking or clicking noises coming from the bottom bracket or pedals
7. Handlebars or stem becoming loose over time

User Reviews of Giant Fathom 1 27.5


Name Review
Emily I absolutely love my Giant Fathom 1 27.5 bike! It's lightweight, durable, and handles trails like a dream. Highly recommend it!
Mike The Giant Fathom 1 27.5 is a great all-around bike. It's comfortable to ride, has good components, and is perfect for both beginners and experienced riders.
Sarah I've been using the Giant Fathom 1 27.5 for a few months now and it's been a fantastic ride. It's sturdy, reliable, and offers a smooth biking experience.
Jason The Giant Fathom 1 27.5 is a solid choice for anyone looking for a reliable mountain bike. It performs well on various terrains and is a joy to ride.

Common Questions About Giant Fathom 1 27.5


  • Is the Giant Fathom 1 27.5 bike suitable for beginners?

    Yes, the Fathom 1 is a great choice for beginners due to its cross-country design that offers a good balance of performance and comfort.

  • What kind of warranty does the Giant Fathom 1 27.5 come with?

    The bike is backed by a lifetime warranty on the frame and a 1-year warranty on the components, providing you with peace of mind.

  • Can the Giant Fathom 1 27.5 handle rough terrains?

    Absolutely, the bike's hardtail design, front suspension, and durable components make it well-equipped to tackle a variety of terrains with confidence.

  • Are the tires on the Giant Fathom 1 27.5 suitable for wet conditions?

    Yes, the Maxxis Minion tires with aggressive knobs provide excellent grip even in wet and muddy conditions, enhancing your control on the trails.

  • What makes the Giant Fathom 1 27.5 stand out from other bikes in its class?

    The Fathom 1 stands out with its high-quality components, precise geometry, and reliable performance, offering exceptional value for its price.

  • Does the Giant Fathom 1 27.5 come with pedals included?

    No, the bike does not come with pedals included, allowing you to choose pedals that best suit your riding preferences.

  • How does the Giant Fathom 1 27.5 handle climbs and descents?

    With its 1x drivetrain, responsive brakes, and balanced geometry, the Fathom 1 offers efficient climbing and controlled descents for an enjoyable ride.

  • What is the recommended tire pressure for the Giant Fathom 1 27.5?

    The recommended tire pressure is 35 PSI, but you can adjust it based on your weight and riding style for optimal performance.

  • Can the Giant Fathom 1 27.5 be used for bikepacking adventures?

    While primarily designed for cross-country riding, the Fathom 1 can be equipped with racks and bags for light bikepacking trips, adding versatility to your adventures.

  • What sets the Giant Fathom 1 27.5 apart in terms of its design?

    The Fathom 1's aluminum frame, modern geometry, and thoughtfully selected components come together to offer a responsive and fun riding experience tailored for recreational use.