Trek Marlin 4 Gen 2 Bike (2025)

Trek Marlin 4 Gen 2 mountain bike from 2025 in black. Trek reference: 5301836

The Marlin 4 is the ideal bicycle to get started in mountain biking with which you can go from the slopes to the trails. It is perfect for cyclists who want a mountain bike equipped with knobby tires that also allows them to use it to get around the city. Disc brakes, front suspension, 14-speed Shimano shifting, and rack and fender mounts make this bike ideal for both new trail riders and those riding to college.

Specifications

Box set

Frame: Alpha Silver Aluminum, internal routing, chainstay disc brake support, rack and kickstand mounts, QR 135x5 mm

Fork: SR Suntour XCE 28, spring, preload, 46mm offset for 29" wheel, 100mm QR, 100mm travel

Maximum compatible fork travel 100 mm (XS and S: 490 mm from axle to crown, M and above: 509 mm from axle to crown)

Wheels

Front hub: Formula DC-20, alloy, 6 bolts, 5x100mm QR

Rear Hub: Formula DC-31, alloy, 6 bolt, 6/7/8 speed freewheel, 135x5mm QR

Back closure: 152x5 mm quick release

Rim: Bontrager Connection, double wall, 32 holes, 20mm width, Schrader valve

Spokes: Stainless steel 14g, black

Max size Cover: Frame: 29x2.20"

Transmission

Shift lever: Shimano Altus EF500, 7 speeds

Derailleur: Shimano Altus M315, 34.9mm clamp, top mount, double throw

Shimano Tourney TY300 rear derailleur

Bottom Bracket: Prowheel TM-CY10, 36/22, 170mm length

Bottom Bracket: VP BC73, 73mm, threaded cartridge

Cassette: Shimano TZ500, 14-34, 7 speed

Chain: KMC Z7, 7 speed

Pedal: VP-536 nylon platform

Maximum chainring size: 1x/2x: 34T, 3x: 42T

Components

Saddle: Bontrager Verse Short, stainless steel rails

Seatpost: Bontrager alloy, 31.6mm, 12mm offset, 360mm length

Handlebar: Bontrager aluminum, 31.8 mm, 15 mm rise, 750 mm width

Grips: Bontrager XR Endurance Comp, lockout

Stem: Bontrager Comp, 31.8mm, Blendr compatible, 7 degrees, 60mm length

Headset: Semi integrated, 1-1/8"

Brake: Tektro MD-M281 mechanical disc

Brake disc: Tektro, 6 bolts, 160 mm

Disc size: Maximum brake disc sizes - Frame: 180mm, min 160mm, Fork: see fork manufacturer

Weight

Weight: M - 14.60 kg