Trek Marlin 4 Gen 3 26 Bike 2026 Matte Dark Web

Built to keep your rides fun and fuss-free, the Trek Marlin 4 Gen 3 feels just as happy cruising bike paths as it does rolling into light trails, giving new and returning riders a confident, stable platform to explore more terrain.

From the durable Alpha Silver Aluminum frame to the smooth 100mm suspension fork and reliable 8-speed shifting, Trek pairs real trail-ready components with everyday practicality, including rack and kickstand mounts, so Marlin 4 stays useful long after the first ride.

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