Trek Electra brand Bontrager brand Trek Travel
View our accessibility statement
  • Marlin 4

  • Frameset

    Frame
    Alpha Silver Aluminum, rack & fender mounts, 135x5mm QR
    Fork
    SR Suntour M-3030, coil spring, preload, 100mm QR, 75mm travel
    Max compatible fork travel
    100mm (XS & S: 490mm axle-to-crown, M & up: 509mm axle-to-crown)

  • Wheels

    Front hub
    Formula DC-20, alloy, 6-bolt, 5x100mm QR
    Rear hub
    Formula DC-31, alloy, 6-bolt, 6/7/8 speed freewheel, 135x5mm QR
    Rims
    Bontrager Connection, double-wall, 32-hole, 20mm width, schrader valve
    Tires
    Bontrager XR2 Comp, wire bead, 30tpi
    Max tire size
    Frame: 29x2.20" (XS & S: 27.5x2.4") Fork: See manufacturer

  • Drivetrain

    Shifters
    Shimano Altus EF500, 7 speed
    Front derailleur
    Shimano Tourney TY500, 34.9mm clamp, top swing, dual pull
    Rear derailleur
    Shimano Tourney TY300, long cage, 34T max cog
    Crank
    Shimano Tourney TY301, 42/34/24
    Max chainring size
    1x/2x: 34T, 3x: 42T
    Bottom bracket
    VP BC73, 73mm, threaded cartridge
    Cassette
    Shimano TZ500, 14-28, 7 speed
    Chain
    KMC Z7, 7 speed
    Pedals
    VP-536 nylon platform

  • Components

    Saddle
    Bontrager Arvada, steel rails, 138mm width
    Seatpost
    Bontrager alloy, 27.2mm, 12mm offset
    Handlebar
    Bontrager alloy, 31.8mm, 5mm rise
    Grips
    Bontrager XR Endurance Comp, lock-on
    Stem
    Bontrager alloy, 31.8mm, Blendr compatible, 7 degree
    Headset
    Semi-integrated, 1-1/8"
    Brakeset
    Tektro MD-M280 mechanical disc, 160mm rotor

  • Weight

    Weight
    M - 14.10 kg / 31.08 lbs (with tubes)
    Weight limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).

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, colors, materials, and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. Prices shown are manufacturer's suggested retail prices.

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