Trek Marlin 4 Gen 3 - Purple Flip - Small

The Marlin 4 is a trail-worthy daily rider that's perfectly suited for everyday adventures, both on and off the trail. It features a trail-savvy aluminum frame equipped with a reliable suspension fork, modern 8-speed Shimano ESSA single-ring shifting, and integrated structural mounts for a rear rack and kickstand. This makes it an ideal choice for new trail riders or anyone looking for a comfortable, stable daily commuter with the rugged dependability of a real mountain bike.

Specifications

Frameset & Suspension

• Frame: Alpha Silver Aluminium, internal derailleur and dropper post routing, rack and kickstand mounts, 135x5mm ThruSkew quick-release axle dropouts.

  • Note: Size XS features a curved top tube for lower standover height and easier mounting.

• Fork (SR Suntour XCE 28, coil spring, adjustable preload):

  • Size XS: 42mm offset for 27.5" wheel, 100mm QR axle, 80mm travel

  • Size S: 42mm offset for 27.5" wheel, 100mm QR axle, 100mm travel

  • Sizes M, ML, L, XL: 46mm offset for 29" wheel, 100mm QR axle, 100mm travel

Drivetrain & Shifting (Shimano ESSA 1x8)

• Shifter: Shimano M315, 8-speed

• Front Derailleur: N/A (1x Dedicated single-ring layout)

• Rear Derailleur: Shimano ESSA U2000

• Cassette: Shimano HG300, 11-45T, 8-speed wide-range

• Chain: KMC Z8.3, 8-speed

• Pedals: Nylon platform pedals

• Crankset Configurations (ProWheel alloy, 32T narrow-wide steel chainring):

  • Size XS: 160mm arm length

  • Sizes S, M, ML: 170mm arm length

  • Sizes L, XL: 175mm arm length

Brakes & Rotors

• Brake Rotors: Tektro 6-bolt design (160mm and 180mm options depending on frame size)

• Hydraulic Brake Set Integration:

  • Sizes XS, S: Tektro HD-M276 hydraulic disc (short-reach levers) or Power BH-M286TF hydraulic disc (160mm rotor setup)

  • Sizes M, ML, L, XL: Tektro HD-M275 standard hydraulic disc or Power BH-M286TF hydraulic disc (180mm rotor setup)

Wheels & Tyres

• Rims: Bontrager Connection, double-wall alloy, 32-hole, 20mm inner width, Schrader valve layout

• Front Hub: Formula DC-20, alloy shell, 6-bolt rotor interface, 5x100mm QR axle

• Rear Hub: Formula DC-22, alloy shell, 6-bolt rotor interface, Shimano 8/9/10-speed freehub mechanism, 135x5mm QR axle

• Rear Skewer: 173x5mm heavy-duty quick-release

• Tyres: Bontrager Montrose Comp, rugged wire bead, 30 tpi casing

  • Sizes XS, S: 27.5" x 2.40"

  • Sizes M, ML, L, XL: 29" x 2.40"

Cockpit & Components

• Saddle: Bontrager Verse Short, stainless steel rails

• Headset: Semi-integrated, 1-1/8" threadless profile

• Grips: Trek Line Comp, secure nylon lock-on

• Handlebars (Bontrager alloy, 31.8mm clamp standard):

  • Size XS: 5mm rise, 690mm width

  • Size S: 15mm rise, 720mm width

  • Sizes M, ML, L, XL: 15mm rise, 750mm width

• Seatpost Configurations (Bontrager alloy, 31.6mm diameter, 12mm offset):

  • Sizes XS, S, M: 330mm profile length

  • Sizes ML, L, XL: 400mm profile length

• Stem Geometry by Size (Bontrager Comp, 7-degree rise):

  • Sizes XS, S: 35mm length (31.8mm clamp)

  • Sizes M, ML, L: 50mm length (Blendr integrated accessory mount compatible)

  • Size XL: 60mm length (Blendr integrated accessory mount compatible)

Sizing, Weight & Performance Limits

• Alpha Sizes Available: XS, S, M, ML, L, XL

• Total Bike Weight: 14.90 kg / 32.85 lbs (Size Medium configuration setup with standard inner tubes)

• Weight Limit: Maximum total weight safety ceiling of 136 kg / 300 lbs (combined weight of bicycle, rider, and loaded frame cargo)

Please Note: We make every effort to ensure the accuracy of the specification information, but components are subject to change by the manufacturer at any time without notice due to ongoing factory running parts substitutions.