MountainVerified spec

2026 Trek Marlin 4 Gen 3

Launched at $600

Own a 2026 Trek Marlin 4 Gen 3?

Track its value in your garage, or list it for sale locally in a few taps.

Add to garage List yours

What a used one is worth

Open the value tool

New

$600

$600 to $600

Like new

$570

$570 to $570

Excellent

$540

$540 to $540

Good

$450

$450 to $450

Fair

$330

$330 to $330

For parts

$180

$180 to $180

From the launch price, aged to 2026 and adjusted for condition. Guidance from our catalog, not an appraisal.

Overview

Brand: Trek
Model family: Marlin
Model year: 2026
Category: Mountain · xc
Frame material: aluminum
Sizes: XXS, XS, S, M, ML, L, XL
Wheel size: 26/27.5/29
Wheel setup: by frame size
Launch MSRP (US): $600

Drivetrain

Speeds: 8
Groupset: Shimano Essa
Electronic: false

Build

Fork: SR Suntour XCM 30, coil spring, preload, hydraulic lockout, 42mm offset for 26'' wheel, 100mm QR, 100mm travel (XXS); SR Suntour XCE 28, coil spring, preload, 42mm offset for 27.5'' wheel, 100mm QR, 80mm travel (XS); SR Suntour XCE 28, coil spring, preload, 42mm offset for 27.5'' wheel, 100mm QR, 100mm travel (S); SR Suntour XCE 28, coil spring, preload, 46mm offset for 29'' wheel, 100mm QR, 100mm travel (M, ML, L, XL)
Stem: Bontrager Comp, 31.8mm, 7 degree, 35mm length (XXS, XS, S); Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length (M, ML, L); Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 60mm length (XL)
Tires: Bontrager Montrose Comp, wire bead, 30 tpi, 26x2.35'' (XXS); Bontrager Montrose Comp, wire bead, 30 tpi, 27.5x2.4'' (XS, S); Bontrager Montrose Comp, wire bead, 30 tpi, 29x2.4'' (M, ML, L, XL)
Brakes: Tektro HD-M276 hydraulic disc (XXS, XS, S); Power BH-M286TF hydraulic disc, 160mm rotor (XXS, XS, S, M, ML, L, XL); Power BH-M286TF hydraulic disc, 180mm rotor (M, ML, L, XL); Tektro HD-M275 hydraulic disc (M, ML, L, XL)
Saddle: Bontrager Verse Short, stainless steel rails
Wheels: Bontrager Connection, double-wall, 32-hole, 20mm width, schrader valve
Cassette: Shimano HG300, 11-45, 8 speed
Crankset: ProWheel alloy, 30T narrow-wide steel ring, 160mm length (XXS, XS); ProWheel alloy, 30T narrow-wide steel ring, 170mm length (S, M, ML); ProWheel alloy, 30T narrow-wide steel ring, 175mm length (L, XL)
Seatpost: Bontrager alloy, 31.6mm, 12mm offset, 300mm length (XXS); Bontrager alloy, 31.6mm, 12mm offset, 330mm length (XS, S, M); Bontrager alloy, 31.6mm, 12mm offset, 400mm length (ML, L, XL)
Shifters: Shimano M315, 8 speed
Handlebar: Bontrager alloy, 31.8mm, 5mm rise, 690mm width (XXS, XS); Bontrager alloy, 31.8mm, 15mm rise, 720mm width (S); Bontrager alloy, 31.8mm, 15mm rise, 750mm width (M, ML, L, XL)
Weight kg: 14.9
Rear derailleur: Shimano ESSA U2000
Travel front mm: 100

Geometry

13.5: Reach mm: 365; Stack mm: 544; Chainstay mm: 433; Wheelbase mm: 1060; Head angle deg: 66.5; Seat angle deg: 74
14.5: Reach mm: 390; Stack mm: 563; Chainstay mm: 433; Wheelbase mm: 1092; Head angle deg: 66.5; Seat angle deg: 74
15.5: Reach mm: 415; Stack mm: 572; Chainstay mm: 433; Wheelbase mm: 1121; Head angle deg: 66.5; Seat angle deg: 74
17.5: Reach mm: 440; Stack mm: 609; Chainstay mm: 438; Wheelbase mm: 1163; Head angle deg: 66.5; Seat angle deg: 74
18.5: Reach mm: 455; Stack mm: 614; Chainstay mm: 438; Wheelbase mm: 1180; Head angle deg: 66.5; Seat angle deg: 74
19.5: Reach mm: 470; Stack mm: 618; Chainstay mm: 438; Wheelbase mm: 1197; Head angle deg: 66.5; Seat angle deg: 74
21.5: Reach mm: 495; Stack mm: 637; Chainstay mm: 438; Wheelbase mm: 1230; Head angle deg: 66.5; Seat angle deg: 74

Price as shown on Trek's US site, 2025-07 capture.

For sale now

No Marlin listed right now. Save a search in the app and get told when one appears.