Trek Marlin 6 Gen 3 29" MTB 2025

The Marlin 6 is the perfect machine to improve your skills on the trail. Its improved, flatter frame geometry makes it easier to stay in control on descents, while the suspension fork takes on bumps on the trail. Integrated rack and kickstand mounts make it easy to add accessories to this versatile machine.

Are you speeding through the city, taking your first steps on the trails, or maybe manoeuvring on serpentines? No matter where you ride, the Marlin is a hardtail ready to go with you anywhere. Versatile trail geometry and smart wheel sizing make it a mountain bike that can take on any challenge. There's a reason the whole world loves this.

Alpha Silver Aluminium Frame
Durable and lightweight frame with internal cable routing and mounts for racks and a kickstand.

RockShox Judy Suspension Fork
100 mm travel with preload adjustment and TurnKey lockout for control and efficiency.

Shimano CUES 10-Speed Drivetrain
LINKGLIDE system designed for long-lasting performance and smooth shifting.

Hydraulic Disc Brakes
Tektro hydraulic brakes provide reliable stopping power in all weather conditions.

Tubeless-Ready Wheelset
Bontrager Kovee rims paired with Maxxis Ikon tyres for improved grip and lower rolling resistance.

SIZE GUIDE

Frame Size S 155 - 165cm Height

Frame Size M 165 - 177cm Height

Frame Size ML 173 - 180cm Height

Frame Size L 177 - 188cm Height

Frame Size XL 188 - 195cm Height

SPECIFICATIONS

Frame: Alpha Silver Aluminium, curved top tube, internal derailleur and dropper post routing, rack and kickstand mounts, ThruSkew 135×5 mm

Fork: RockShox Judy, coil spring, preload adjustment, TurnKey lockout, 42–46 mm offset, QR 100 mm, 100 mm travel

Front Hub: Formula DC-20, aluminium alloy, 6-bolt disc, 100 mm

Rear Hub: Formula DC-22, aluminium alloy, 6-bolt disc, Shimano 8/9/10 freehub, 135×5 mm

Front Skewer: 116×5 mm QR

Rear Skewer: 173×5 mm QR

Rims: Bontrager Kovee, double-walled, tubeless ready, 28-hole, 23 mm internal width, Presta valve

Tyres: Maxxis Ikon, tubeless, EXO casing, 60 TPI (27.5×2.35" for XS–S / 29×2.35" for M–XXL)

Shifter: Shimano CUES U6000, 10-speed

Rear Derailleur: Shimano CUES U6000 GS

Crankset: FSA Alpha Drive, 30T (160–175 mm length depending on frame size)

Bottom Bracket: FSA threaded, 73 mm, sealed bearings, 122.5 mm axle

Cassette: Shimano CUES LG300 LINKGLIDE, 11–48T, 10-speed

Chain: Shimano LG500

Pedals: VP-536 nylon platform

Saddle: Bontrager Verse Short, stainless steel rails

Seatpost: Bontrager alloy, 31.6 mm, 12 mm offset (330–400 mm length depending on size)

Handlebar: Bontrager alloy, 31.8 mm clamp, 5 mm rise, 690–750 mm width

Grips: Bontrager XR Trail Comp, nylon lock-on

Stem: Bontrager Comp, 31.8 mm, 7° rise, 35–70 mm length

Headset: Semi-integrated, 1-1/8"

Brakes: Tektro HD-M276 hydraulic disc brakes, short-stroke lever

Brake Rotors: Tektro, 6-bolt, 160 mm

Weight: Approx. 14.5 kg