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2024 Trek

Marlin Frameset Gen 3

A 26″ / 27.5″ / 29″ aluminum frame crosscountry frameset.

Manufacturer Price

€649($755)
FrameAluminum
Wheels26″ / 27.5″ / 29″
Where to Buy
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Insights
Sizing
13.5"

4'5" – 4'10"

14.5"

4'8" – 5'2"

15.5"

5'0" – 5'6"

17.5"

5'4" – 5'10"

18.5"

5'8" – 5'11"

19.5"

5'9" – 6'3"

21.5"

6'1" – 6'6"

23"

6'4" – 6'8"

Rider Fit Notes

None yet.

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Reviews
99 Spokes
Trek Marlin Review

Jul 2025

A 27.5″ / 29″ aluminum frame hardtail crosscountry bike with mid-range components.

Highs
  • Modern XC geometry

  • Clean aesthetics and internal cable routing

  • Shimano CUES drivetrain democratizes great shifting

Lows
  • Straight headtube, QR front hub, and “Thru-Skew” axle in the rear limit future upgrades

  • Wheels are not tubeless compatible

  • Heavy, poor performing 80 mm travel fork

Read Review

Escape Collective
Trek Marlin Gen 3 review: Good bones - Escape Collective

Apr 2024 · James Huang

Trek’s entry-level aluminum hardtail mountain bike.

Highs
  • Fantastic frame geometry

  • Excellent shifting

  • Good tires

  • Looks great

  • Generous tire clearance

  • Easy-to-live-with semi-internal routing

  • Sort of a rear thru-axle.

Lows
  • Mega-heavy fork with minimal adjustability

  • Tubeless costs extra

  • Limited upgrade potential.

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Bikerumor
Trek Upgrades Its Most Popular Bike: The Marlin

May 2023 · Andrew McLemore

Riders can expect updated geometry, a new frame, increased tire clearance and a rear axle system that "enhances stability," Trek said.

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BikeRadar
Trek Marlin 8 review

Feb 2023 · Oscar Huckle

Can the Marlin compete with the bigger players?

Highs
  • Lots of frame sizes

  • Excellent tyre choice

  • Dropper seatpost

  • Upgrade potential

Lows
  • Roomier seated position would be preferred

  • Quick-release rather than thru-axle

  • Rattly internal cable routing

Read Review

Geometry
Specs
Build
Frame

Size: XXS, XS, Alpha Silver Aluminium, curved top tube, internal derailleur and dropper post routing, rack and kickstand mount, 135x5 mm ThruSkew; Size: S, M, ML, L, XL, XXL, Alpha Silver Aluminium, internal derailleur and dropper post routing, rack and kickstand mount, 135x5 mm ThruSkew

Tire Clearance2.4"

ColorMatte Dnister Black

Wheels
Tires

Frame: 29x2.40" (XXS: 26x2.40", XS & S: 27.5x2.40"), Fork: See manufacturer

Rider Notes
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First added September 9

Last updated October 8

Not listed for 598 days