Trek Marlin 4 Gen 3 2026

Specifications Frameset *Frame Size: XXS , XS Alpha Silver Aluminium, curved top tube, internal derailleur and dropper post routing, rack and kickstand mount, 135×5 mm ThruSkew Size: S , M , ML , L , XL , XXL Alpha Silver Aluminium, internal derailleur and dropper post routing, rack and kickstand mount, 135×5 mm ThruSkew *Fork Size: XXS SR Suntour XCM 30, coil spring, lockout, preload, 100 mm QR, 100 mm travel, 26″ wheel Size: XS SR Suntour XCE 28, coil spring, preload, 42 mm offset for 27.5″ wheel, 100 mm QR, 80 mm travel Size: S SR Suntour XCE 28, coil spring, preload, 42 mm offset for 27.5″ wheel, 100 mm QR, 100 mm travel Size: M , ML , L , XL , XXL SR Suntour XCE 28, coil spring, preload, 46 mm offset for 29″ wheel, 100 mm QR, 100 mm travel Wheels Hub front Formula DC-20, alloy, 6-bolt, 100×5 mm Hub rear Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135×5 mm Skewer rear 173×5 mm QR Rim Bontrager Connection, double-wall, 32-hole, 20 mm width, Schrader valve *Tyre Size: XXS Bontrager Montrose Comp, wire bead, 30 tpi, 26×2.35” Size: XS , S Bontrager Montrose Comp, wire bead, 30 tpi, 27.5×2.40″ Size: M , ML , L , XL , XXL Bontrager Montrose Comp, wire bead, 30 tpi, 29×2.40″ Drivetrain Shifter Shimano M315, 8-speed Rear derailleur Shimano ESSA U2000 *Crank Size: XXS , XS ProWheel alloy, 32T narrow-wide steel ring, 160 mm length Size: S , M , ML ProWheel alloy, 32T narrow-wide steel ring, 170 mm length Size: L , XL , XXL ProWheel alloy, 32T narrow-wide steel ring, 175 mm 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, 31.6 mm, 12 mm offset, 330 mm length Size: ML , L , XL , XXL Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length *Handlebar Size: XXS , XS Bontrager alloy, 31.8 mm, 5 mm rise, 690 mm width Size: S Bontrager alloy, 31.8 mm, 15 mm rise, 720 mm width Size: M , ML , L , XL , XXL Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width Grips Trek Line Comp, nylon lock-on *Stem Size: XXS , XS , S Bontrager Comp, 31.8 mm, 7-degree, 35 mm length Size: M , ML , L Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length Size: XL Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 60 mm length Size: XXL Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 70 mm length Head set Semi-integrated, 1-1/8” *Brake Size: XXS , XS , S Tektro HD-M276 hydraulic disc Size: XXS , XS , S , M , ML , L , XL , XXL Power BH-M286TF hydraulic disc, 160 mm rotor Size: M , ML , L , XL , XXL Tektro HD-M275 hydraulic disc Size: M , ML , L , XL , XXL Power BH-M286TF hydraulic disc, 180 mm rotor *Brake rotor Size: XXS , XS , S , M , ML , L , XL , XXL Tektro, 6-bolt, 160mm Size: M , ML , L , XL , XXL Tektro, 6-bolt, 180mm Weight 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 136 kg (300 lb).