Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Specialized
2018 Specialized Fatboy SE
Value Guide market data · 2018 Specialized Fatboy SE
12-month trend
8%
Direction and magnitude, not judgment
vs. category average
8%
Holds value better than category avg
Price over time - 2018 Specialized Fatboy SE
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Fatboy model years
2018 Fatboy SE lineup
Overview
About this bike
2018 Specialized Fatboy SE value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- FRAME
- Specialized M4 Aluminum, fully butted tubing w/Smooth Welds, tapered head tube, post mount disc dropouts, 190mm rear hub spacing, replaceable alloy derailleur hanger
- FORK
- Specialized, alloy, air-formed legs, tapered alloy steerer, 135mm hub spacing, open quick-release dropouts
Drivetrain
- Groupset
- 2018 Specialized Fatboy SE
- REAR DERAILLEUR
- SRAM GX, Type 2.1, long cage, 10-speed
- SHIFT LEVERS
- SRAM X7, trigger
- CASSETTE
- Sunrace, 10-speed, 11-42t
- CHAIN
- KMC X10, 10-speed w/ Missing Link™
- CRANKSET
- Stout direct mount, PF30, 28t
- CHAINRINGS
- 28T, steel
- BOTTOM BRACKET
- PF30 BB, 100mm
- Shifters
- SRAM X7, trigger
Brakes
- REAR BRAKE
- Tektro Aries, mechanical disc, organic pad, 180/160mm rotor
- FRONT BRAKE
- Tektro Aries, mechanical disc, organic pad, 203/180mm rotor
- Brakes
- Tektro Aires mechanical-disc, Front: 203/180mm rotor; Rear: 180/160mm rotor
Cockpit
- SEAT BINDER
- Alloy, 31.8mm
- STEM
- Ahead 3D-forged alloy, 31.8mm clamp, 6-degree rise
- HANDLEBARS
- Double-butted alloy, 9-degree backsweep, 5-degree upsweep, 15mm rise, 750mm width, 31.8mm
- GRIPS
- Specialized MTB Grip, lock-on
- SADDLE
- Body Geometry Henge Comp, hollow Cr-Mo rails, 143mm
- SEATPOST
- Alloy, 12mm offset, 2-bolt clamp, 30.9mm
- Handlebar
- Double-butted alloy, 9-degree backsweep, 5-degree upsweep, 15mm rise, 750mm width, 31.8mm
Wheels & Tires
- RIMS
- Stout XC 80, 26", 76mm internal width, 32h, tubeless ready
- FRONT HUB
- Stout 135, loose ball bearings, 10x135 QR, 32h
- REAR HUB
- Stout 190, sealed cartridge bearings, 10x190mm QR, 32h
- SPOKES
- Stainless, 14g
- FRONT TIRE
- Ground Control Fat, 60 TPI, wire bead, 26x4.6"
- REAR TIRE
- Ground Control Fat, 60 TPI, wire bead, 24x4.6"
- INNER TUBES
- Standard, Presta valve
- Axles
- Front: 135mm , Rear: 190mm
- Hubs
- Specialized MTB disc, aluminum
Pedals
- PEDALS
- Specialized Platform, Cr-Mo, 9/16" spindle
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.