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Giant Fathom E+ 3 2025

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Take control of the trail with this fun new hardtail E-bike. Now you can climb with greater ease and comfort, and ride farther—the perfect formula for an enjoyable day on the trail.

The Fathom E+ is a great choice for XC and singletrack terrain. A lightweight ALUXX SL aluminium frame and trail-friendly geometry can help you experience trail riding like never before. The SyncDrive Sport motor technology delivers smooth, instantaneous power to conquer hills with a smile. With a 120mm suspension fork and the confident performance of 27.5 wheels, if offers smooth control and handling. The side-release EnergyPak Smart is seamlessly integrated into the frame and can be easily removed for charging. And it’s simple to control all your settings with the clean, easy-to-use RideControl ONE.

Smooth power delivery

The SyncDrive Sport motor technology delivers smooth, instantaneous power to conquer all kinds of terrain and have more fun.

Responsive hardtail handling

Lightweight aluminium frame with trail-friendly geometry, 120mm of front suspension travel, and confident 27.5 wheels puts you in control on off-road terrain.

Long-lasting battery

Integrated EnergyPak Smart compact battery is easy to charge up and can provide up to 150km of range from a single charge.



Technologies



ALUXX SL Aluminium Technology

This High-Performance level, state-of-the-art aluminium material is made predominantly from 6011 alloy and delivers best-in-class strength-to-weight ratios. These framesets also feature unique welding technologies for high-performance ride quality.

Hybrid Cycling Technology

Hybrid Cycling Technology is a system that combines electric power with human power to produce a smart, natural and powerful E-bike riding experience. It’s an integrated group of technologies that includes our RideControl control unit, EnergyPak battery systems and SyncDrive motor. For more information, check out the link below.

RideControl ONE

RideControl ONE takes your E-bike riding experience to new levels with integrated button controls and a clean handlebar free of any display. The E-bikes equipped with RideControl ONE can connect with the Giant E-bike App to function as your E-bike display

Smart Assist

All SyncDrive motors have Smart Assist technology, which adjusts the support to match the rider’s needs. By using information from multiple sensors, both rider input and terrain feedback are used to determine the optimal amount of pedaling assistance. SyncDrive is the only e-bike system that utilizes both rider input and terrain feedback. It gives you a smooth, natural riding experience with ample power when you need it, while also conserving power when you don’t need as much.

SyncDrive Sport

Innovation, manufacturing expertise and a motor system powered by Yamaha all combine to expand any rider’s abilities. SyncDrive Sport offers three support modes and is equipped on E-bikes that are used for both everyday riding and for more demanding off-road riding. This small mid-drive motor delivers a massive maximum 70Nm of torque and is widely acclaimed for its performance and reliability.

Tubeless System

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.

Energypak

Giant’s latest EnergyPak battery systems feature streamlined designs that are integrated with the E-bike for a sleek and modern profile. Giant E-bikes offer several different EnergyPak options including the EnergyPak Smart and EnergyPak. Each one is designed to optimize the E-bike experience for a specific style of riding.

Motor Giant SyncDrive Sport, 70Nm
Controller RideControl One
Sensors Giant PedalPlus 6-sensor technology
Display Wireless display compatible (ANT+ and Bluetooth)
Battery Giant EnergyPak 400, 36V 11.3Ah Rechargeable Lithium-Ion
Sizes XS, S, M, L, XL
Colours Metallic Blue / Black
Frame ALUXX aluminium, Overdrive 1½ - 1⅛"" head tube, 141mm Boost QR, integrated KS18 kickstand mount
Fork SR Suntour XCM 32 NLO DS 15AH-110, 27.5 120mm travel, Tapered 1½ - 1⅛"" steerer, lockout
Shock N/A
Handlebar Giant Connect TR Riser 31.8x750mm
Stem Giant Contact
Seatpost Giant 30.9mm, 2-bolt Micro Adjustable, Forged Aluminium
Saddle Giant Sport
Pedals Aluminum Platform
Shifters Shimano SL-M2000
Front Derailleur -
Rear Derailleur Shimano Alivio M3100, 9-Speed
Brakes Tektro HD-M285, hydraulic disc, 180mm
Brake Levers Tektro HD-M285
Cassette Shimano CS-HG200, 11-36T, 9-Speed
Chain KMC e.9 Sport
Crankset Forged Alloy minimal Q-factor, 36T Steel Direct Mount ring
Bottom Bracket N/A
Rims Giant AM 27.5, Tubeless ready, 30mm inner width
Hubs Giant eTracker Sport, [F] 15mm Thru-Axle [R] 141mm QR
Spokes Stainless steel
Tyres Maxxis Recon 27.5x2.6, foldable, 60 TPI
Extras Giant EnergyPak 4A charger

Please note: Manufacturers can sometimes change the specification of the products from time to time.

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