Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Giant
2023 Giant Fathom 29 1
Value Guide market data · 2023 Giant Fathom 29 1
12-month trend
11%
Direction and magnitude, not judgment
vs. category average
12%
Holds value better than category avg
Price over time - 2023 Giant Fathom 29 1
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Fathom 29 model years
2023 Fathom 29 1 lineup
Overview
About this bike
2023 Giant Fathom 29 1 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- Giant Crest 34 SL RCL, 130mm, 44mm offset, Boost 15x110
- Frame
- ALUXX SL-Grade Aluminum, 12x148mm thru-axle
Drivetrain
- Groupset
- SRAM SX
- Bottom Bracket
- SRAM SX PowerSpline, threaded
- Cassette
- SRAM SX Eagle, 11x50
- Chain
- SRAM SX Eagle
- Crankset
- SRAM SX Eagle, 30t S:165mm, M:170mm, L:170mm, XL:170mm
- Rear Derailleur
- SRAM NX Eagle
- Shifters
- SRAM SX Eagle, 1x12
Brakes
- Brake Levers
- Shimano BR-MT401
- Brakes
- Shimano BR-MT420/410, hydraulic, Shimano RT-26 rotors [F]180mm, [R]180mm
Cockpit
- Handlebar
- Giant Contact SL TR35, 780x35mm
- Saddle
- Giant Romero
- Seatpost
- Giant Contact Switch dropper, remote S: 125mm travel / 30.9 x 395mm
- Stem
- Giant Contact SL 35 S:40mm, M:40mm, L:50mm, XL:50mm
- Grips
- Giant Sole-O
Wheels & Tires
- Front Tire
- [F] Maxxis Minion DHF, 29x2.5 WT, EXO/TR[R] Maxxis Aggressor, 29x2.5 WT, foldable, EXO/T
- Hubs
- alloy, sealed
- Rear Tire
- [F] Maxxis Minion DHF, 29x2.5 WT, EXO/TR[R] Maxxis Aggressor, 29x2.5 WT, foldable, EXO/T
- Rims
- Giant AM 29, tubeless ready sleeve-joint rim, 30mm inner width
- Spokes
- stainless
Pedals
- Pedals
- Sold separately
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.