Trek Marlin 4 Gen 3 2026

Sale
$599.99 $749.99

Please note: This is an oversized product and is excluded from our free shipping policy. Shipping charges will be added after the initial transaction. For a shipping quote prior to transaction please call 780.539.6262

“These bikes are shipped unassembled. Bikes should be assembled by an authorized bicycle retailer.”

Marlin 4 is a trail-worthy daily rider that's perfectly suited for everyday adventures, on and off the trail. It features a trail-savvy frame with a suspension fork, 8-speed Shimano ESSA shifting, and mounts for a rack and kickstand that make it an ideal choice for trail riders or anyone looking for a comfortable, stable commuter with the ruggedness of a real mountain bike.

SPECIFICATIONS

*Please note - spec applies to all sizes unless listed separately

Frameset
*Frame    Size: XXS , XS
Alpha Silver Aluminum, curved top tube, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew
Size: S , M , ML , L , XL
Alpha Silver Aluminum, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew
*Fork    Size: XXS
SR Suntour XCM 30, coil spring, preload, hydraulic lockout, 42mm offset for 26" wheel, 100mm QR, 100mm travel
Size: XS
SR Suntour XCE 28, coil spring, preload, 42mm offset for 27.5'' wheel, 100mm QR, 80mm travel
Size: S
SR Suntour XCE 28, coil spring, preload, 42mm offset for 27.5'' wheel, 100mm QR, 100mm travel
Size: M , ML , L , XL
SR Suntour XCE 28, coil spring, preload, 46mm offset for 29'' wheel, 100mm QR, 100mm travel

Wheels
Hub front    Formula DC-20, alloy, 6-bolt, 5x100 mm QR
Hub rear    Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm QR
Skewer rear    173x5mm QR
Rim    Bontrager Connection, double-wall, 32-hole, 20mm width, schrader valve
*Tire    Size: XXS
Bontrager Montrose Comp, wire bead, 30 tpi, 26x2.35''
Size: XS , S
Bontrager Montrose comp, wire bead, 30 tpi, 27.5x2.40"
Size: M , ML , L , XL
Bontrager Montrose comp, wire bead, 30 tpi, 29x2.40"

Drivetrain
Shifter    Shimano M315, 8 speed
Rear derailleur    Shimano ESSA U2000
*Crank    Size: XXS , XS
ProWheel alloy, 32T narrow-wide steel ring, 160mm length
Size: S , M , ML
ProWheel alloy, 32T narrow-wide steel ring, 170mm length
Size: L , XL
ProWheel alloy, 32T narrow-wide steel ring, 175mm length
Cassette    Shimano HG300, 11-45, 8 speed
Chain    KMC Z8.3, 8 speed
Pedal    nylon platform

Components
Saddle    Bontrager Verse Short, stainless steel rails
*Seatpost    Size: XXS
Bontrager alloy, 31.6 mm, 12 mm offset, 300 mm length
Size: XS , S , M
Bontrager alloy, 31.6mm, 12mm offset, 330mm length
Size: ML , L , XL
Bontrager alloy, 31.6mm, 12mm offset, 400mm length
*Handlebar    Size: XXS , XS
Bontrager alloy, 31.8mm, 5mm rise, 690mm width
Size: S
Bontrager alloy, 31.8mm, 15mm rise, 720mm width
Size: M , ML , L , XL
Bontrager alloy, 31.8mm, 15mm rise, 750mm width
Grips    Trek Line Comp, nylon lock-on
*Stem    Size: XXS , XS , S
Bontrager Comp, 31.8mm, 7 degree, 35mm length
Size: M , ML , L
Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length
Size: XL
Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 60mm length
Headset Semi-integrated, 1-1/8''
*Brake Size: XXS , XS , S
Tektro HD-M276 hydraulic disc
Size: M , ML , L , XL
Tektro HD-M275 hydraulic disc
*Brake rotor  Size: XXS , XS , S , M , ML , L , XL
Tektro, 6-bolt, 160mm
Size: M , ML , L , XL
Tektro, 6-bolt, 180mm

Weight: M - 14.90 kg / 32.85 lbs
Weight limit: This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).