MountainFramesetVerified spec

2026 Trek Marlin Gen 3 Frameset

Launched at $550

Own a 2026 Trek Marlin Gen 3 Frameset?

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

What a used one is worth

New

$550

$550 to $550

Like new

$522

$522 to $522

Excellent

$495

$495 to $495

Good

$412

$412 to $412

Fair

$302

$302 to $302

For parts

$165

$165 to $165

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

23: Reach mm: 520; Stack mm: 651; Chainstay mm: 438; Wheelbase mm: 1261; Head angle deg: 66.5; Seat angle deg: 74
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

Sold across model years 2023-2026 under one product code. Price as shown on Trek's US site, 2025-07 capture.

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