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Take control of the trail with this fun new hardtail e-bike. Now you can climb with greater ease and ride farther—the perfect formula for a great day on the trail.
Take control of the trail with this fun new hardtail e-bike. Now you can climb with greater ease and ride farther—the perfect formula for a great day on the trail.
Giant

Giant Fathom E+ 625Wh Electric Mountain Bike 2024 in Gloss Gunmetal Black

£3,299.00
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With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

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With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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Any item, except food, face masks or e-gift vouchers (full e-gift vouchers T&Cs are listed on the respective product pages) can be returned to us for any reason within 90 days, provided that the item has not been used or fitted and is returned in its original packaging with valid proof of purchase. It is recommended that you use a recorded delivery service to ensure your items are received by us. We cannot assume responsibility for items that are lost in the post.

Online or in-store purchases can both be returned to any store free of charge or can be returned by post after completing the online returns form. If you are returning an item due to a fault, we will refund your postage.

If you wish to return your bike to us, please keep the box it arrived in and let us know using the returns form and we will arrange collection.


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If you wish to cancel, return or exchange an order please fill in the form below. Returns can be processed quicker if all required information is added.



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Items must be returned in their original packaging and unused. Refunds will be issued once the products have been received and inspected.

Click & Collect customers can buy with confidence knowing that they can review the item before deciding whether it is right for you before leaving the store. Should you decide it's not right for you, it can be conveniently exchanged or refunded straight away, or you still have up to 90 days to return it if you are still unsure.

Please note:

1. If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item.

2. If we have delivered the correct bike but upon inspection, you decide the bike is not the one for you, we will charge you £24.99 for collection. If you do not have the original box, we will charge you an additional £15 to provide one.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase.

We are unable to offer a refund without a valid receipt.

Giant Fathom E+ 625Wh Electric Mountain Bike 2024 in Gloss Gunmetal Black

Season:2024

Brand:Giant

Code:6033001GUNBLK

Take control of the trail with this fun new hardtail e-bike. Now you can climb with greater ease and ride farther—the perfect formula for a great day on the trail.

Key Features & Benefits:

  • Smooth power delivery:The new SyncDrive Sport motor delivers smooth, instantaneous power with 75Nm of torque to help riders climb steep hills and extend their trail riding capabilities.
  • Balanced, confident handling:Lightweight aluminium frame with trail-friendly geometry, 120mm of front suspension travel, and stable 29-inch wheels with tubeless tyres puts you in control even in the toughest off-road terrain.
  • Long-lasting battery:Integrated EnergyPak Smart with 625Wh of capacity is easy to charge up to 80 percent in 2.5 hours with the 6A Fast Charger.

Full Specification:

  • Frame:ALUXX SL aluminium, Overdrive 1.5" - 1.8" head tube, 148x12mm thru-axle, integrated KSA40 kickstand mount, EnergyPak Plus range extender compatible
  • Fork:SR Suntour XCR 34 Boost 2-CR Coil 29, 130mm travel, Tapered 1.125"-1.5" steerer, 15AH2-110 thru-axle
  • Motor:Giant SyncDrive Sport2, 75Nm, PedalPlus 6-sensor technology
  • Controller:Giant RideControl Dash, Smart Assist automatic mode, 5 support levels, USB-C (10W)
  • Display:Wireless display compatible (ANT+ and Bluetooth)
  • Battery:Giant EnergyPak 625Wh, Aluminium casing with highest safety standard (EN50604), CO2 Neutral production, Giant EnergyPak Plus 250 range extender compatible
  • Number of Gears:9
  • Gear Shifters:Shimano Cues LinkGlide 1x9
  • Chainset:FSA MegaTooth direct-mount 1X steel 36T FSA Comet E-Bike crank arm
  • Chainrings:36T
  • Rear Cassette:Shimano Cues, LinkGlide, CS-LG300-9, 11-46T, 9-speed
  • Chain:KMC eGlide NP/BK, e-bike optimised
  • Front Derailleur:N/A
  • Rear Derailleur:Shimano Cues LinkGlide
  • Bottom Bracket:Giant Integrated
  • Pedals:Aluminium Platform
  • Rims:Giant XCT 29 Tubeless Ready 25mm e-bike optimised
  • Front Hub:Giant eTracker Boost 15x110
  • Rear Hub:Giant eTracker Boost 12x148
  • Front Tyre:Maxxis Rekon 29x2.4" Wire Bead 60TPI
  • Rear Tyre:Maxxis Rekon 29x2.4" Wire Bead 60TPI
  • Brakes:Tektro HD-M285, hydraulic disc, 180mm [F/R]
  • Handlebars:Giant Connect TR Riser 31.8mm
  • Stem:Giant Contact
  • Saddle:Giant Ergo Contact Trail
  • Seatpost:Giant Contact Switch Adj, adjustable dropper, 30,9mm
  • Accessories:N/A
  • Weight:N/A
Manufacturers reserve the right to change specifications without notice based on availability at the point of assembly.

Sizing Chart for Giant Fathom

Frame SizeRider Height (cm)
S163 - 172
M171 - 180
L179 - 188
XL187 - 198

Geometry Chart for Giant Fathom
bike diagram with measurements referenced in table that follows

SMLXL
ASEAT TUBE LENGTH(mm)380430465495
BSEAT TUBE ANGLE75.0°75.0°75.0°75.0°
CTOP TUBE LENGTH(mm)592612639662
DHEAD TUBE LENGTH(mm)9595105115
EHEAD TUBE ANGLE66.0°66.0°66.0°66.0°
FFORK RAKE(mm)44444444
GTRAIL(mm)122122122122
HWHEELBASE(mm)1154117412031227
ICHAIN STAY LENGTH(mm)435435435435
JBOTTOM BRACKET DROP(mm)60606060
KSTACK(mm)622622631640
LREACH(mm)425445470490
MSTAND OVER HEIGHT(mm)730745765790
NHANDLEBAR WIDTH(mm)780780780780
OSTEM LENGTH(mm)40405050
PCRANK LENGTH(mm)165170170170
QWHEEL SIZE29"29"29"29"

Warranty Information for Giant

ComponentWarranty Period
Bicycle frame (Downhill excluded)Lifetime
Rigid Forks10 Years
Downhill frame3 Years
Giant own brand components, Pedals, grips, bar tape, saddle, Paint & Decals2 Years
Electronic E-bike components including battery2 Years (or 600 charge cycles)

For full warranty policy please visit giant-bicycles.com

Technical Information
  • Motor
    Giant SyncDrive Sport2, 75Nm, PedalPlus 6-sensor technology
  • Controller
    Giant RideControl Dash, Smart Assist automatic mode, 5 support levels, USB-C (10W)
  • Display
    Giant RideControl Dash, high-angle visibility, full color LCD display
  • Battery
    Giant EnergyPak 625Wh, Aluminium casing with highest safety standard (EN50604), CO2 Neutral production, Giant EnergyPak Plus 250 range extender compatible
  • Charger
    Giant EnergyPak 4A smart charger compact, 60% charge in 2:30h
  • Connectivity
    Giant RideControl App enabled ANT+ wireless display signal with e-bike profile
  • Sizes
    S, M, L, XL, XXL
  • Colours
    Gloss Gunmetal Black
  • Frame
    ALUXX SL aluminium, Overdrive 1.5" - 1.8" head tube, 148x12mm thru-axle, integrated KSA40 kickstand mount, EnergyPak Plus range extender compatible
  • Fork
    SR Suntour XCR 34 Boost 2-CR Coil 29, 130mm travel, Tapered 1.125"-1.5" steerer, 15AH2-110 thru-axle
  • Handlebar
    Giant Connect TR Riser 31.8mm
  • Grips
    Giant Tactal Pro, single lock-on
  • Stem
    Giant Contact
  • Seatpost
    Giant Contact Switch Adj, adjustable dropper, 30,9mm
  • Saddle
    Giant Ergo Contact Trail
  • Pedals
    Aluminium Platform
  • Shifters
    Shimano Cues LinkGlide 1x9
  • Rear Derailleur
    Shimano Cues LinkGlide
  • Brakes
    Tektro HD-M285, hydraulic disc, 180mm [F/R]
  • Brake Levers
    Tektro HD-M285
  • Cassette
    Shimano Cues, LinkGlide, CS-LG300-9, 11-46T, 9-speed
  • Chain
    KMC eGlide NP/BK, e-bike optimised
  • Crankset
    FSA MegaTooth direct-mount 1X steel 36T FSA Comet E-Bike crank arm
  • Rims
    Giant XCT 29 Tubeless Ready 25mm e-bike optimised
  • Hubs
    Giant eTracker Boost 15x110 [F] 12x148 [R]
  • Spokes
    Stainless steel
  • Tyres
    Maxxis Rekon 29x2.4" Wire Bead 60TPI
  • Lighting
    -
  • Carrier
    -
  • Weight
    The most accurate way to determine any bike’s weight is to have your local dealer weigh it for you. Many brands strive to list the lowest possible weight, but in reality weight can vary based on size, finish, hardware and accessories. All our bikes are designed for best-in-class weight and ride quality.
Sizing Information
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