Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2018 Trek FX S 6
Value Guide market data · 2018 Trek FX S 6
12-month trend
7%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2018 Trek FX S 6
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All FX model years
2026$791 - $918▼ 57% vs. 2018
2025$2,790 - $3,240▲ 50% vs. 2018
2024$2,604 - $3,024▲ 40% vs. 2018
2023$2,604 - $3,024▲ 40% vs. 2018
2022$2,604 - $3,024▲ 40% vs. 2018
2021$2,046 - $2,376▲ 10% vs. 2018
2020$2,046 - $2,376▲ 10% vs. 2018
2019$1,953 - $2,268▲ 5% vs. 20182018$1,860 - $2,160Currently viewing
2017$1,953 - $2,268▲ 5% vs. 2018
2013$409 - $475▼ 78% vs. 2018
2012$2,372 - $2,754▲ 28% vs. 2018
2011$2,492 - $2,894▲ 34% vs. 2018
2010$2,492 - $2,894▲ 34% vs. 20182018 FX S 6 lineup
Overview
About this bike
2018 Trek FX S 6 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- FX carbon, flat mount disc, hidden fender mounts
- Frame
- FX Sport 400 series OCLV carbon, IsoSpeed, 3s chain keeper, DuoTrap S compatible, flat mount disc, 12mm thru axle, hidden fender mounts
Drivetrain
- Groupset
- 2018 Trek FX S 6
- Crankset
- Shimano 105
- Bottom Bracket
- Press Fit BB86.5
- Front Derailleur
- Shimano 105, braze-on
- Rear Derailleur
- Shimano 105
- Cassette/Rear Cogs
- Shimano 105, 11-32, 11 speed
- Chainrings
- 50/34
- Shifters
- Shimano RS700, 11 speed
Brakes
- Brake Levers
- Tektro HD-R310, hydraulic disc
- Brakes
- Tektro HD-R310, hydraulic disc
Cockpit
- Saddle
- Bontrager Montrose Comp
- Headset
- 1-1/8-inch threadless, sealed cartridge bearings
- Stem
- Bontrager Elite, 31.8mm, 7 degree, w/computer & light mounts
- Handlebars
- Bontrager Satellite Plus IsoZone, 31.8mm, 15mm rise
- Seat Post
- Bontrager carbon, 2-bolt head, 27.2mm, 8mm offset
Wheels & Tires
- Hubs
- Front: Bontrager, 12mm thru-axle</br>Rear: Bontrager, 12x142mm thru-axle
- Tires
- Bontrager AW2 Hard-Case Lite, 700x32c, folding
Pedals
- Pedals
- VP nylon body w/alloy cage, toe-clip/strap
Accessories
- Rims/Wheels
- Bontrager Tubeless Ready Disc
- Color
- Matte Dnister Black
Weight & Sizing
- Size
- 14-inch / 16-inch / 18-inch / 20-inch / 22-inch
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.