Marlin 5 Gen 3

Name: Trek Marlin 5 Gen 3
Brand: Trek
Price: 899.99 AUD
Availability: InStock

2025AluminiumMountain

$899.99

RRP AUD (Drift Bikes)

Check availability →Browse similar

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AluminiumFrame

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DiscBrakes

OverviewAbout the Trek Marlin 5 Gen 3

The Trek Marlin 5 Gen 3 is a mountain bike, built on a aluminium frame, listed at $899.99. An off-road bike for trails, with grippy tyres and trail-ready geometry.

aluminiumdisc brakehardtailxc

SpecificationsWhat we know

Brand: Trek
Model year: 2025
Category: Mountain
Frame: Aluminium
Brakes: Disc
Price: $899.99 (RRP AUD (Drift Bikes))

Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm the current details and availability with the seller before purchase.

GeometrySize M

Stack: 609 mm
Reach: 440 mm
Stack/reach: 1.38
Head angle: 66.5 deg
Seat angle: 74 deg
Wheelbase: 1163 mm
Chainstay: 438 mm
BB drop: 60 mm
Standover: 747 mm
Fork rake: 46 mm

GearingRatios

0.65lowest (climbing)

2.73highest (speed)

Very low climbing gear

Ratios are derived from the chainrings and cassette. They describe the gearing, not any rider's ability.

Drivetrain & buildFull specification

Shifting: Mechanical
Drive: 1x
Speeds: 9
Crank: Prowheel C10Y-NW, 30T narrow-wide
Chainrings: 30
Cassette: Shimano LinkGlide LG300, 9sp
Rear derailleur: Shimano CUES U4000
Brakes: Tektro HD-M275 hydraulic disc
Rotors: 160/160mm
Wheelset: Bontrager Connection rims, Formula hubs
Rim internal width: 20 mm
Stock tyre: 29x2.4
BB standard: VP BC73, 73mm threaded
Seatpost: Bontrager alloy, 31.6mm
Cockpit: Bontrager alloy 750mm bar, Comp 50mm stem
Mounts: rack and kickstand mount

SuspensionMTB detail

Front travel: 100 mm
Fork: SR Suntour XCT 30
Wheel config: 29
Discipline: XC
Suspension: hardtail

Bike DNAWhat the numbers say

Steering: A 66.5 deg head angle points to balanced trail handling.
Climbing: Lowest ratio 0.65 is a very low climbing gear for steep or loaded climbs.

Derived from the published geometry and gearing above. It describes the numbers, not a ride test.

BikeFinder Data Profile: geometry and specification researched from published sources (trekbikes.com), verified 2026-09-04. This is a specification analysis, not a physical ride review.