2026 Trek Marlin 4 Gen 3

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  • Regular price $799.99

Marlin 4 is a trail-worthy daily rider that's perfectly suited for everyday adventures, on and off the trail. It features a trail-savvy frame with a suspension fork, 8-speed Shimano ESSA shifting and mounts for a rack and kickstand that make it an ideal choice for trail riders or anyone looking for a comfortable, stable commuter with the ruggedness of a real mountain bike.

*Please note – spec applies to all sizes unless listed separately

*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

*Fork:

Size: XXS

SR Suntour XCM 30, coil spring, lockout, preload, 100 mm QR, 100 mm travel, 26" wheel

Size: XS

SR Suntour XCE 28, coil spring, preload, 42 mm offset for 27.5" wheel, 100 mm QR, 80 mm travel

Size: S

SR Suntour XCE 28, coil spring, preload, 42 mm offset for 27.5" wheel, 100 mm QR, 100 mm travel

Size: M , ML , L , XL , XXL

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

Hub front: Formula DC-20, alloy, 6-bolt, 100x5 mm

Hub rear: Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm

Skewer rear: 173x5 mm QR

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

*Tyre:

Size: XXS

Bontrager Montrose Comp, wire bead, 30 tpi, 26x2.35''

Size: XS , S

Bontrager Montrose Comp, wire bead, 30 tpi, 27.5x2.40"

Size: M , ML , L , XL , XXL

Bontrager Montrose Comp, wire bead, 30 tpi, 29x2.40"

Shifter: Shimano M315, 8-speed

Rear derailleur: Shimano ESSA U2000

*Crank:

Size: XXS , XS

ProWheel alloy, 30T narrow-wide steel ring, 160 mm length

Size: S , M , ML

ProWheel alloy, 30T narrow-wide steel ring, 170 mm length

Size: L , XL , XXL

ProWheel alloy, 30T narrow-wide steel ring, 175 mm length

Cassette: Shimano HG300, 11-45, 8-speed

Chain: KMC Z8.3, 8-speed

Pedal: Nylon platform

Saddle: Bontrager Verse Short, stainless steel rails

*Seatpost:

Size: XXS

Bontrager alloy, 31.6 mm, 12 mm offset, 300 mm length

Size: XS , S , M

Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length

Size: ML , L , XL , XXL

Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length

*Handlebar:

Size: XXS , XS

Bontrager alloy, 31.8 mm, 5 mm rise, 690 mm width

Size: S

Bontrager alloy, 31.8 mm, 15 mm rise, 720 mm width

Size: M , ML , L , XL , XXL

Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width

Grips: Trek Line Comp, nylon lock-on

*Stem:

Size: XXS , XS , S

Bontrager Comp, 31.8 mm, 7-degree, 35 mm length

Size: M , ML , L

Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length

Size: XL
Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 60 mm length

Size: XXL

Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 70 mm length

Head set: Semi-integrated, 1-1/8''

*Brake:

Size: XXS , XS , S

Tektro HD-M276 hydraulic disc

Size: XXS , XS , S , M , ML , L , XL , XXL

Power BH-M286TF hydraulic disc, 160 mm rotor

Size: M , ML , L , XL , XXL

Tektro HD-M275 hydraulic disc

Size: M , ML , L , XL , XXL

Power BH-M286TF hydraulic disc, 180 mm rotor

*Brake rotor:

Size: XXS , XS , S , M , ML , L , XL , XXL

Tektro, 6-bolt, 160mm

Size: M , ML , L , XL , XXL

Tektro, 6-bolt, 180mm

Weight: M - 14.90 kg / 32.85 lbs

Weight limit: This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. The prices shown are the manufacturer's suggested retail prices.

Weights are based off pre-production products at time of publication. Weights may vary in final production.

 Colour Options:

  • Purple Flip/Black Fade
  • Blue Sage
  • Matte Dark Web