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2017 Giant

Fathom 1

A 27.5″ aluminum frame hardtail trail bike with upper mid-range components.
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Manufacturer Price

$1,450
FrameAluminum
SuspensionHardtail, 120mm
ForkSuntour
Wheels27.5″ Aluminum
Drivetrain1 × 11
GroupsetSLX
BrakesShimano Hydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Fathom 1
Other Trail bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

36 km/h

Fathom 1

42 km/h

Similar Bikes

Highest gear

(descending)

Sizing
XS

156cm – 166cm

SM

163cm – 174cm

MD

171cm – 182cm

LG

179cm – 189cm

XL

185cm – 195cm

🐐 Estimated

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Reviews
MTBR
New Giant XTC and Fathom hardtails

Jul 2016 · Saris Mercanti

Whether you prefer singlespeeds or gears, big wheels, big tires, or 27.5

Read Review

Geometry
Specs
Build
Frame

ALUXX SL-grade aluminum

BB StandardBB86/BB92, Press Fit

ColorBlack / Blue

Fork

SR Suntour Axon LO-RC, 15mm thru-axle, OverDrive, 120mm travel

Travel120mm

Spring TypeAir

Shock

N/A

Bottom Bracket

Shimano, Press fit

Stem

Giant Connect

Handlebar

Giant Connect Trail, 31.8mm

Saddle

Giant Connect Upright

Seatpost

TranzX YSP-15 dropper post, internal routing, 30.9mm

TypeDropper

Pedals

Platform, caged

Groupset
Rear Derailleur

Shimano SLX, Shadow+

Front Derailleur

N/A

Crank

Shimano SLX, 30T

Shifters

Shimano SLX

Cassette

Shimano SLX 11x42, 11-speed

Chain

Shimano HG 601

Brakes

Shimano M365, hydraulic disc, [F] 180mm [R] 160mm

TypeShimano Hydraulic Disc

Brake Levers

Shimano M365

Wheels
Rims

Giant XC-1

Spokes

Stainless Steel, 14g

Front Hub

Giant Performance Tracker Disc, 28h, [F] 15mm thru-axle, [R] QR

Rear Hub

Giant Performance Tracker Disc, 28h, [F] 15mm thru-axle, [R] QR

Tires

Maxxis Ardent, 27.5x2.25, Folding

Rider Notes
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First added 7 July

Last updated 8 July

Not listed for 3,247 days