Marlin 4 Gen 3 Bike – 2026

Tech Specs

• Brakes

  • Brake Rotor

    (XXS, XS, S, M, ML, L, XL) Tektro, 6-bolt, 160mm

  • Brake Rotor

    (M, ML, L, XL) Tektro, 6-bolt, 180mm

  • Brake

    (XXS, XS, S) Tektro HD-M276 hydraulic disc

  • Brake

    (XXS, XS, S, M, ML, L, XL) Power BH-M286TF hydraulic disc, 160mm rotor

  • Brake

    (M, ML, L, XL) Tektro HD-M275 hydraulic disc

  • Brake

    (M, ML, L, XL) Power BH-M286TF hydraulic disc, 180mm rotor

• Cockpit

  • Stem

    (Size XXS, XS, S) Bontrager Comp, 31.8mm, 7 degree, 35mm length

  • Stem

    (Size M, ML, L) Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length

  • Stem

    (Size XL) Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 60mm length

  • Handlebar

    (Size XXS, XS) Bontrager alloy, 31.8mm, 5mm rise, 690mm width

  • Handlebar

    (Size S) Bontrager alloy, 31.8mm, 15mm rise, 720mm width

  • Handlebar

    (Size M, ML, L, XL) Bontrager alloy, 31.8mm, 15mm rise, 750mm width

  • Grips

    Trek Line Comp, nylon lock-on

  • Saddle

    Bontrager Verse Short, stainless steel rails

  • Seatpost

    (Size XXS) Bontrager alloy, 31.6mm, 12mm offset, 300mm length

  • Seatpost

    (Size XS, S, M) Bontrager alloy, 31.6mm, 12mm offset, 330mm length

  • Seatpost

    (Size ML, L, XL) Bontrager alloy, 31.6mm, 12mm offset, 400mm length

  • Headset

    Semi-integrated, 1-1/8”

• Drivetrain

  • Rear Derailleur

    Shimano ESSA U2000

  • Cassette

    Shimano HG300, 11-45, 8 speed

  • Chain

    KMC Z8.3, 8 speed

  • Pedal

    nylon platform

  • Shifter

    Shimano M315, 8 speed

  • Crank

    (Size XXS, XS) ProWheel alloy, 32T narrow-wide steel ring, 160mm length

  • Crank

    (Size S, M, ML) ProWheel alloy, 32T narrow-wide steel ring, 170mm length

  • Crank

    (Size L, XL) ProWheel alloy, 32T narrow-wide steel ring, 175mm length

• Frameset

  • Frame

    (Size XXS, XS) Alpha Silver Aluminum, curved top tube, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew

  • Frame

    (S, M, ML, L, XL) Alpha Silver Aluminum, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew

• Suspension

  • Fork

    (Size XXS) SR Suntour XCM 30, coil spring, preload, hydraulic lockout, 42mm offset for 26” wheel, 100mm QR, 100mm travel

  • Fork

    (Size XS) SR Suntour XCE 28, coil spring, preload, 42mm offset for 27.5” wheel, 100mm QR, 80mm travel

  • Fork

    (Size S) SR Suntour XCE 28, coil spring, preload, 42mm offset for 27.5” wheel, 100mm QR, 100mm travel

  • Fork

    (Size M, ML, L, XL) SR Suntour XCE 28, coil spring, preload, 46mm offset for 29” wheel, 100mm QR, 100mm travel

• Weight

  • Weight

    32.85 lbs

• Wheels & Tires

  • Hub Front

    Formula DC-20, alloy, 6-bolt, 5x100mm QR

  • Hub Rear

    Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm QR

  • Skewer Rear

    173x5mm QR

  • Tire

    (Size XXS) Bontrager Montrose Comp, wire bead, 30 tpi, 26×2.35”

  • Tire

    (Size XS, S) Bontrager Montrose comp, wire bead, 30 tpi, 27.5×2.40”

  • Tire

    (Size M, ML, L, XL) Bontrager Montrose comp, wire bead, 30 tpi, 29×2.40”

  • Rim

    Bontrager Connection, double-wall, 32-hole, 20mm width, schrader valve