Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Specialized
2018 Specialized Fatboy Comp Carbon
Value Guide market data · 2018 Specialized Fatboy Comp Carbon
12-month trend
7%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2018 Specialized Fatboy Comp Carbon
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Fatboy model years
2018 Fatboy Comp Carbon lineup
Overview
About this bike
2018 Specialized Fatboy Comp Carbon value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- FACT carbon monocoque, tapered steerer, 150x15mm dropouts
- Frame
- Specialized FACT 10m Carbon, tapered head tube,
Drivetrain
- Groupset
- 2018 Specialized Fatboy Comp Carbon
- Crankset
- Race Face Next R crank
- Bottom Bracket
- PF30
- Chain
- SRAM GX Eagle, 12-speed w/ PowerLock
- Rear Derailleur
- SRAM GX Eagle, 12-speed
- Cassette/Rear Cogs
- SRAM GX Eagle, 12-speed, 10-50t
- Chainrings
- Steel, 30T
- Shifters
- SRAM GX Eagle, trigger, 12-speed
Brakes
- Brakes
- Front: SRAM Level TL hydraulic disc, organic pads, 200/180mm rotors <br/> Rear: SRAM Level TL hydraulic disc, organic pads, 180/160mm rotors
Cockpit
- Saddle
- Body Geometry Phenom Comp, Adaptive Edge design, Hollow Cr-Mo rails, 143mm
- Stem
- Specialized Trail, 3D forged alloy, 4-bolt, 6-degree rise
- Handlebars
- Stout XC, double-butted alloy, 8-degree backsweep, 6-degree upsweep, 10mm rise, 720mm width, 31.8mm
- Seat Post
- Alloy, 2-bolt clamp, 12.5mm offset, 30.9mm, anti-corrosion hardware
- Tape/Grips
- Specialized Sip Grip, half-waffle, S/M: regular thickness, L/XL: XL thickness
Wheels & Tires
- Hubs
- Stout Pro
- Tires
- Specialized Ground Control, 26 x 4.0
- Axles
- Front: 15x150mm axle <br/> Rear: 12x197mm thru-axle
- Spokes
- Stainless, 14g
Accessories
- Rims/Wheels
- Stout XC 80, 26", 76mm internal width, 32h, tubeless ready
- Color
- Gloss Hyper/Black
Weight & Sizing
- Size
- Small / Medium / Large / X-Large
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.