Trek Marlin 4 Gen 3 2026 Purple

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

Specifications

Frame

XS: Alpha Silver Aluminium, curved top tube, internal derailleur and dropper post routing, rack and kickstand mount, 135×5 mm ThruSkew

Fork     

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

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

ML , M , L , XL , XXL: SR Suntour XCE 28, coil spring, preload, 46 mm offset for 29″ wheel, 100 mm QR, 100 mm travel

Wheels

Hub front: Formula DC-20, alloy, 6-bolt, 5×100 mm QR

Hub rear: Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135×5 mm QR

*Skewer rear: 173×5 mm QR

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

*Tyre:

XS , S: Bontrager Montrose comp, wire bead, 30 tpi, 27.5×2.40″

ML , M , L , XL , XXL: Bontrager Montrose comp, wire bead, 30 tpi, 29×2.40″

Drivetrain

*Shifter: Shimano M315, 8-speed

*Rear derailleur: Shimano ESSA U2000

*Crank:

XS: ProWheel alloy, 32T narrow-wide steel ring, 160 mm length

ML , M , S: ProWheel alloy, 32T narrow-wide steel ring, 170 mm length

L , XL , XXL: ProWheel alloy, 32T narrow-wide steel ring, 175 mm length

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

*Chain: KMC Z8.3, 8-speed

*Pedal: Nylon platform

Components

*Saddle: Bontrager Verse Short, stainless steel rails

*Seatpost:

M , XS , S: Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length

ML , L , XL , XXL: Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length

*Handlebar:

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

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

ML , M , L , XL , XXL: Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width

*Grips Size: Trek Line Comp, nylon lock-on

*Stem

XS , S: Bontrager Comp, 31.8 mm, 7-degree, 35 mm length

ML , M , L: Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length

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

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

*Head set: Semi-integrated, 1-1/8”

*Brake:

XS , S: Tektro HD-M276 hydraulic disc

ML , M , XS , L , S , XL , XXL: Power BH-M286TF hydraulic disc, 160 mm rotor

ML , M , L , XL , XXL: Tektro HD-M275 hydraulic disc

ML , M , L , XL , XXL: Power BH-M286TF hydraulic disc, 180 mm rotor

*Brake rotor:

ML , M , XS , L , S , XL , XXL: Tektro, 6-bolt, 160mm

ML , M , L , XL , XXL: Tektro, 6-bolt, 180mm

Weight

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.

Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.