Marlin 2026
Marlin Gen
The 2026 Trek Marlin Gen is a XC bike offered in 7 sizes, XXS to XL. Reach runs from 390 to 495 mm and stack from 563 to 637 mm. It ships with Shimano CUES U2000 ESSA and Bontrager Connection.
Every number on this page was confirmed by at least two independent sources. Where the catalog cannot yet stand behind a figure, the cell says so instead of guessing. Verified against trekbikes.com and at least one independent source.
Key facts
- Brand
- Trek
- Model
- Marlin
- Model year
- 2026
- Frame
- Gen
- Type
- XC
- Sizes
- XXS, XS, S, M, ML, L, and XL
- Verified measurements
- 68 of 77
- Verified against
- trekbikes.com and at least one independent source
- Last checked
2026 Trek Marlin Gen drawn to scale
2026 Trek Marlin Gen geometry by size
| Measurement | XXS | XS | S | M | ML | L | XL |
|---|---|---|---|---|---|---|---|
| Reach(mm) | not yet verified | 390mm | 415mm | 440mm | 455mm | 470mm | 495mm |
| Stack(mm) | not yet verified | 563mm | 572mm | 609mm | 614mm | 618mm | 637mm |
| Head tube angle(°) | not yet verified | 66.5° | 66.5° | 66.5° | 66.5° | 66.5° | 66.5° |
| Seat tube angle(°) | not yet verified | 74° | 74° | 74° | 73.4° | 74° | 74° |
| Effective top tube(mm) | not yet verified | 551mm | 579mm | 615mm | 631mm | 647mm | 678mm |
| Chainstay length(mm) | 433mm | 433mm | 433mm | 438mm | 438mm | 438mm | 438mm |
| Wheelbase(mm) | not yet verified | 1092mm | 1121mm | 1163mm | 1180mm | 1197mm | 1230mm |
| BB drop(mm) | 38mm | 45mm | 45mm | 46mm | 46mm | 46mm | 46mm |
| Standover(mm) | not yet verified | 658mm | 692mm | 747mm | 759mm | 771mm | 791mm |
| Seat tube length(mm) | not yet verified | 340mm | 370mm | 420mm | 435mm | 450mm | 500mm |
| Head tube length(mm) | not yet verified | 90mm | 100mm | 105mm | 110mm | 115mm | 135mm |
Last checked .
2026 Trek Marlin stock build
4 Gen 3
20 parts. Specs shown only where two or more sources agree.
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
5 Gen 3
16 parts. Specs shown only where two or more sources agree.
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
6 Gen 3
27 parts. Specs shown only where two or more sources agree.
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
7 Gen 3
26 parts. Specs shown only where two or more sources agree.
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Quick answers
What sizes does the 2026 Trek Marlin Gen come in?
It comes in 7 sizes: XXS, XS, S, M, ML, L, and XL.
What are the reach and stack of the 2026 Trek Marlin Gen in size M?
In size M, reach is 440 mm and stack is 609 mm.
What is the head tube angle of the 2026 Trek Marlin Gen?
The head tube angle is 66.5 degrees in size M.
What does the 2026 Trek Marlin 4 Gen 3 ship with?
The stock build includes Trek Alpha Silver, SR Suntour XCE 28, Shimano Acera M315, and Bontrager Connection.
Which years of the Trek Marlin are in the catalog?
The catalog has the Trek Marlin for 2026.
Ride a Marlin? Keep it in your garage.
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