The Trek Marlin 6 Gen 3 2027 is the first Marlin with a dropper post and a proper wide-range 1x10 drivetrain — a genuine trail-ready hardtail rather than a fitness bike that can handle a trail.
WHO THIS BIKE SUITS
You're riding proper trails regularly and want a dropper post and a wide-range drivetrain to match.
You want the capability jump of a 29" wheel and 180mm front rotor without paying for the top-spec air fork.
You've outgrown an entry-level hardtail and want the next genuine step up, not just a cosmetic refresh.
IF YOU'RE LOOKING FOR SOMETHING DIFFERENT
If you don't need the dropper post or wide-range drivetrain, the Marlin 5 covers the basics for less. If you want the fork to match the rest of the spec, the Marlin 7's air-sprung RockShox Judy Silver is the one genuine upgrade the 6 doesn't have.
WHERE IT SITS IN THE RANGE
The Marlin 6 sits just below the 7 — same dropper post and 29" wheels, but a coil-sprung RockShox Judy fork and Shimano 1x10 drivetrain in place of the 7's air-sprung fork and SRAM 1x12 Eagle setup.
Full Marlin Gen 3 range: Marlin 4 — Marlin 5 — Marlin 7.
HOW IT RIDES
Fork
The RockShox Judy here is coil-sprung rather than air, so it's a step below the 7's fork in outright sensitivity — but it's still a genuine step up from the 4 and 5's forks, with TurnKey lockout for the road sections.
Dropper post
This is where the dropper post first appears in the Marlin range — it makes a real difference on anything technical, letting you drop the saddle on the move rather than stopping to adjust it.
Drivetrain
Shimano's CUES 1x10 with an 11-48 cassette gives a genuinely wide range for climbing, and the single-ring setup is simpler to live with than the 4 and 5's setups.
THE FINAL WORD
The Trek Marlin 6 Gen 3 2027 is where the Marlin range starts feeling like a proper trail bike rather than an entry-level one. Come in and we'll help you decide whether the extra spend on the 7's air fork is worth it for the way you ride.
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, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.
Frame: Alpha Silver Aluminium, internal derailleur and dropper post routing, rack and kickstand mount, 135x5 mm ThruSkew
Headset: Semi-integrated, 1-1/8"
Bottom bracket: Shimano, 73 mm, threaded cartridge, 122.5 mm spindle
Fork: RockShox Judy, coil spring, preload, TurnKey lockout, 46 mm offset for 29" wheel, 100 mm travel
Rear derailleur: Shimano CUES U6000 GS
Crank: Shimano U4000, 30T chainring, 170 mm length
Cassette: Shimano CUES LG300, LINKGLIDE, 11-48, 10-speed
Chain: Shimano LG500
Brakeset: Shimano hydraulic disc
Rotors: Shimano RT26, 6-bolt, 180 mm front / 160 mm rear
Rims: Bontrager Kovee, double-wall, Tubeless-Ready, 23 mm width, Presta valve
Front hub: Formula DC-20, alloy, 6-bolt, 100 mm
Rear hub: Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm
Tyres: Bontrager Montrose Comp, wire bead, 30 tpi, 29x2.40"
Handlebar: Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width
Stem: Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length
Grips: Trek Line Comp, nylon lock-on
Saddle: Bontrager Verse Short, stainless steel rails
Seatpost: TranzX dropper post, 125 mm travel, internal routing, 31.6 mm, 405 mm length
Personalised Bike Consultation
Not sure which model is perfect for you? Our expert team at All Ride Now in Midhurst, West Sussex is here to help you choose with confidence.
- Will you be riding mainly on or off-road?
- Do you prefer an upright or sportier riding position?
- Are you looking for longer range, lighter weight, or a more comfortable feel?
Through a friendly consultation – in-store, by phone, live chat or email – we’ll help you narrow down your options and find the bike that best fits your needs.
