Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Giant
2018 Giant Fathom 2
Value Guide market data · 2018 Giant Fathom 2
12-month trend
6%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2018 Giant Fathom 2
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Fathom model years
2018 Fathom 2 lineup
Overview
About this bike
2018 Giant Fathom 2 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- SR Suntour Raidon XC LOR DS, 15mm thru-axle, OverDrive, 120mm travel
- Frame
- ALUXX SL-grade aluminum, Semi-Internal Cable Routing
Drivetrain
- Groupset
- 2018 Giant Fathom 2
- Crankset
- FSA Comet
- Bottom Bracket
- FSA, Press fit
- Chain
- KMC X9
- Front Derailleur
- Shimano Deore
- Rear Derailleur
- Shimano Deore Shadow +
- Cassette/Rear Cogs
- Shimano Deore 11x42T, 10-Speed
- Chainrings
- 26/36
- Shifters
- Shimano Deore
Brakes
- Brake Levers
- Shimano M315
- Brakes
- Shimano M315, hydraulic disc, [F] 180mm, [R] 160mm
Cockpit
- Saddle
- Giant Contact Neutral
- Stem
- Giant Connect
- Handlebars
- Giant Connect Trail
- Seat Post
- Giant Contact Switch, dropper, 30.9mm
Wheels & Tires
- Hubs
- Giant Tracker Sport, [F] 15mm thru-axle, [R] QR
- Tires
- Maxxis Ardent, 27.5x2.25, Tubeless, 60TPI
- Spokes
- Sapim Leader, 14g
Pedals
- Pedals
- Platform, caged
Accessories
- Rims/Wheels
- Giant XC-2 Disc, Tubeless
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Suspension service
Confirm fork lowers and rear shock service intervals; ask for the most recent service receipts.
Inspection
Frame pivots & bearings
Cycle the suspension off the bike to feel for play, grit, or noise in pivot bearings.