Trek Marlin 4
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
Frameset
*Frame
Size: 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
Alpha Silver Aluminium, internal derailleur and dropper post routing, rack and kickstand mount, 135x5 mm ThruSkew
*Fork
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
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, 100x5 mm
Skewer front
116x5mm QR
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: XS , S
Bontrager Montrose Comp, wire bead, 30 tpi, 27.5x2.40"
Size: M , ML , L , XL
Bontrager Montrose Comp, wire bead, 30 tpi, 29x2.40"
Max tyre size
Frame: 29x2.40" (XXS: 26x2.40", XS & S: 27.5x2.40"), Fork: See manufacturer
Drivetrain
Shifter
Shimano M315, 8-speed
Rear derailleur
Shimano ESSA U2000
*Crank
Size: 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
ProWheel alloy, 30T narrow-wide steel ring, 175 mm length
Bottom bracket
Threaded cartridge
Cassette
Shimano HG300, 11-45, 8-speed
Chain
KMC Z8.3, 8-speed
Pedal
Nylon platform
Max. chainring size
1x: See FAQ, 2x: 36T, 3x: 42T
Components
Saddle
Bontrager Verse Short, stainless steel rails
*Seatpost
Size: XS , S , M
Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length
Size: ML , L , XL
Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length
*Handlebar
Size: 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
Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width
Grips
Trek Line Comp, nylon lock-on
*Stem
Size: 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 lengthHead set
Semi-integrated, 1-1/8''
*Brake
Size: XS , S
Tektro HD-M276 hydraulic disc
Size: XS , S , M , ML , L , XL
Power BH-M286TF hydraulic disc, 160 mm rotor
Size: M , ML , L , XL
Power BH-M286TF hydraulic disc, 180 mm rotor
Size: M , ML , L , XL
Tektro HD-M275 hydraulic disc
*Brake rotor
Size: XS , S , M , ML , L , XL
Tektro, 6-bolt, 160mm
Size: M , ML , L , XL
Tektro, 6-bolt, 180mm
Max rotor size
Max brake rotor sizes - Frame: 180mm (XXS: 160mm), Fork: see fork manufacturer
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.

