MountainVerified spec

2025 Trek Marlin 4 Gen 2

Launched at $580

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What a used one is worth

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New

$452

$319 to $522

Like new

$430

$303 to $496

Excellent

$407

$287 to $470

Good

$339

$239 to $391

Fair

$249

$175 to $287

For parts

$136

$96 to $157

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: 2025
Category: Mountain · xc
Frame material: aluminum
Sizes: XS, S, M, ML, L, XL
Wheel size: 27.5/29
Wheel setup: by frame size
Launch MSRP (US): $580

Drivetrain

Speeds: 7
Groupset: Shimano Tourney
Electronic: false

Build

Fork: 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, Blendr compatible, 7 degree, 50mm length (XS, S); Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 60mm length (M); Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 70mm length (ML, L); Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 80mm length (XL)
Tires: Bontrager XR2 Comp, wire bead, 30 tpi, 27.5x2.20'' (XS, S); Bontrager XR2 Comp, wire bead, 30 tpi, 29x2.20'' (M, ML, L, XL)
Brakes: Tektro MD-M281 mechanical disc (XS, S, M, ML, L, XL); Tektro MD-M280 mechanical disc (XS, S, M, ML, L, XL); Tektro MD-M281 mechanical disc, 160mm rotor (XS, S, M, ML, L, XL); Tektro MD-M280 mechanical disc, 160mm rotor (XS, S, M, ML, L, XL)
Saddle: Bontrager Verse Short, stainless steel rails
Wheels: Bontrager Connection, double-wall, 32-hole, 20mm width, schrader valve
Cassette: Shimano TZ500, 14-34, 7 speed
Crankset: ProWheel TM-CY10, 36/22, 170mm length (XS, S, M); ProWheel TM-CY10, 36/22, 175mm length (ML, L, XL)
Seatpost: Bontrager alloy, 31.6mm, 12mm offset, 330mm length (XS, S); Bontrager alloy, 31.6mm, 12mm offset, 360mm length (M); Bontrager alloy, 31.6mm, 12mm offset, 400mm length (ML, L, XL)
Shifters: Shimano EF500, 8 speed (XS, S, M, ML, L, XL); Shimano EF500, 7 speed (XS, S, M, ML, L, XL)
Handlebar: Bontrager alloy, 31.8mm, 5mm rise, 690mm width (XS, S); Bontrager alloy, 31.8mm, 15mm rise, 750mm width (M, ML, L, XL)
Weight kg: 14.6
Rear derailleur: Shimano Tourney TY300
Travel front mm: 80

Geometry

13.5: Reach mm: 376; Stack mm: 565; Chainstay mm: 438; Wheelbase mm: 1049; Head angle deg: 69.3; Seat angle deg: 73.5
15.5: Reach mm: 385; Stack mm: 574; Chainstay mm: 438; Wheelbase mm: 1066; Head angle deg: 69.3; Seat angle deg: 73.5
17.5: Reach mm: 418; Stack mm: 602; Chainstay mm: 438; Wheelbase mm: 1100; Head angle deg: 69.5; Seat angle deg: 73
18.5: Reach mm: 434; Stack mm: 602; Chainstay mm: 438; Wheelbase mm: 1116; Head angle deg: 69.5; Seat angle deg: 73
19.5: Reach mm: 451; Stack mm: 611; Chainstay mm: 438; Wheelbase mm: 1137; Head angle deg: 69.5; Seat angle deg: 73
21.5: Reach mm: 466; Stack mm: 630; Chainstay mm: 438; Wheelbase mm: 1159; Head angle deg: 69.5; Seat angle deg: 73

Sold across model years 2024-2025 under one product code. Price as shown on Trek's US site, 2024-08 capture.

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