By Trek

Trek Marlin 4 Gen 3 29 Bike 2026 Matte Dark Web


$749.99

Klarna financing available on orders $2,000+

Size

Gender: Unisex
Season: Spring/Summer 2026

Bike Delivery

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If your daily route mixes pavement, park paths, and the occasional dirt shortcut, the Trek Marlin 4 Gen 3 keeps things comfortable and confidence-inspiring without feeling bulky or slow.

Built around Trek’s Alpha Silver Aluminum frame, paired with a coil-sprung suspension fork offering up to 100mm of travel and a reliable 8-speed Shimano ESSA drivetrain, Marlin 4 blends everyday efficiency with genuine trail-ready capability and rack and kickstand mounts.

Key Features

  • Drivetrain Speeds: 8-speed
  • Frame Material: Alpha Silver Aluminum frame with internal derailleur and dropper post routing plus rack and kickstand mounts
  • Fork: SR Suntour XCM 30 or XCE 28 coil-sprung suspension fork with preload and hydraulic lockout on select sizes
  • Drivetrain: Shimano M315 shifter with Shimano ESSA U2000 rear derailleur and Shimano HG300 11–45T cassette
  • Wheelset: Bontrager Connection double-wall rims with Formula DC-series 6-bolt hubs and 135x5mm rear ThruSkew
  • Brakes: Hydraulic disc brakes with 160mm rotors and size-specific 180mm front rotor options
  • Fit System: Size-specific frame geometry with curved top tube on smaller frames and Smart Wheel Size pairing wheels to frame size
  • Contact Points: Bontrager saddle, size-specific handlebar widths, and nylon platform pedals for everyday comfort and control