Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2026 Trek Marlin 4 Gen 3
Value Guide market data · 2026 Trek Marlin 4 Gen 3
12-month trend
5%
Direction and magnitude, not judgment
vs. category average
6%
Drops faster than category avg
Price over time - 2026 Trek Marlin 4 Gen 3
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Marlin model years
2026$1,302 - $1,512Currently viewing
2025$1,116 - $1,296▼ 14% vs. 2026
2024$1,209 - $1,404▼ 7% vs. 2026
2023$1,209 - $1,404▼ 7% vs. 2026
2022$1,237 - $1,436▼ 5% vs. 2026
2021$1,116 - $1,296▼ 14% vs. 2026
2020$744 - $864▼ 43% vs. 2026
2019$735 - $853▼ 44% vs. 2026
2018$698 - $810▼ 46% vs. 2026
2017$698 - $810▼ 46% vs. 2026
2016$716 - $832▼ 45% vs. 2026
2015$660 - $767▼ 49% vs. 2026
2013$642 - $745▼ 51% vs. 2026
2012$632 - $734▼ 51% vs. 2026
2011$595 - $691▼ 54% vs. 20262026 Marlin 4 Gen 3 lineup
Overview
About this bike
2026 Trek Marlin 4 Gen 3 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Frame
- Alpha Silver Aluminum, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew
- Fork
- SR Suntour XCM 30, coil spring, preload, hydraulic lockout, 42mm offset for 26'' wheel, 100mm QR, 100mm travel / SR Suntour XCE 28, coil spring, preload, 42mm offset for 27.5'' wheel, 100mm QR, 80mm travel / SR Suntour XCE 28, coil spring, preload, 42mm offset for 27.5'' wheel, 100mm QR, 100mm travel / SR Suntour XCE 28, coil spring, preload, 46mm offset for 29'' wheel, 100mm QR, 100mm travel
Drivetrain
- Groupset
- 2026 Trek Marlin 4 Gen 3
- Chain
- KMC Z8.3, 8 speed
- Crank
- ProWheel alloy, 30T narrow-wide steel ring, 160mm length / ProWheel alloy, 30T narrow-wide steel ring, 170mm length / ProWheel alloy, 30T narrow-wide steel ring, 175mm length
- Rear derailleur
- Shimano ESSA U2000
- Cassette
- Shimano HG300, 11-45, 8 speed
- Bottom bracket
- Threaded cartridge
- Shifter
- Shimano M315, 8 speed
Brakes
- Brake rotor
- Tektro, 6-bolt, 160mm / Tektro, 6-bolt, 180mm
- Brake
- Tektro HD-M276 hydraulic disc / Power BH-M286TF hydraulic disc, 160mm rotor / Tektro HD-M275 hydraulic disc / Power BH-M286TF hydraulic disc, 180mm rotor
Cockpit
- Headset
- Semi-integrated, 1-1/8''
- Stem
- Bontrager Comp, 31.8mm, 7 degree, 35mm length / Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length / Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 60mm length
- Handlebar
- Bontrager alloy, 31.8mm, 5mm rise, 690mm width / Bontrager alloy, 31.8mm, 15mm rise, 720mm width / Bontrager alloy, 31.8mm, 15mm rise, 750mm width
- Saddle
- Bontrager Verse Short, stainless steel rails
- Seatpost
- Bontrager alloy, 31.6mm, 12mm offset, 300mm length / Bontrager alloy, 31.6mm, 12mm offset, 330mm length / Bontrager alloy, 31.6mm, 12mm offset, 400mm length
- Grips
- Trek Line Comp, nylon lock-on
Wheels & Tires
- Hub rear
- Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm
- Hub front
- Formula DC-20, alloy, 6-bolt, 100x5mm
- Tire
- Bontrager Montrose Comp, wire bead, 30 tpi, 26x2.35'' / Bontrager Montrose Comp, wire bead, 30 tpi, 27.5x2.4'' / Bontrager Montrose Comp, wire bead, 30 tpi, 29x2.4''
- Rim
- Bontrager Connection, double-wall, 32-hole, 20mm width, schrader valve
- Skewer front
- 116x5mm QR
- Skewer rear
- 173x5mm QR
Pedals
- Pedal
- nylon platform
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.