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Versatile by nature, the third-generation Trek Marlin 5 moves seamlessly from cycle paths to dirt tracks: an Alpha Silver aluminium frame ready for a rack and kickstand, a 100 mm Suntour XCT 30 fork with lockout, a Shimano CUES 1x9 drivetrain and 2.40-inch Montrose Comp tyres, for 15.10 kg in size M. Miami Green/Dark Aquatic Fade starts with a bright aqua green and fades into a dark petrol blue.
| Frame | Alpha Silver aluminium, internal cable routing, dropper post routing, rack and kickstand mounts, ThruSkew 135x5 mm |
| Fork | SR Suntour XCT 30 coil, preload, hydraulic lockout, 100 mm (80 mm in XS) |
| Drivetrain | Shimano CUES 1x9, CUES U4001 32T chainset, LINKGLIDE LG300 11-46 cassette, LG500 chain |
| Brakes | Disc brakes, Shimano RT26 rotors: 180 mm front and 160 mm rear (160 mm front and rear in XS and S) |
| Wheels / tyres | Formula hubs, Bontrager Connection rims / Bontrager Montrose Comp 2.40 in (27.5 in on XS and S, 29 in on larger sizes) |
| Cockpit | Bontrager 690 to 750 mm alloy handlebar, Bontrager Comp 35 to 70 mm stem |
| Saddle / seatpost | Bontrager Verse Short / Bontrager alloy seatpost 31.6 mm |
| Weight | 15.10 kg in size M (Trek figure) |
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At a glance
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For the urban cyclist who wants a bike that can escape onto Mediterranean tracks at the weekend, for the active retiree discovering mountain bike rides, or for a young adult looking for their first proper off-road bike. It suits rides of one to three hours over varied terrain.
Alpha aluminium, Trek's expertise. Under the Alpha name, Trek groups its aluminium alloys by level of finish. The Marlin 5 inherits Alpha Silver, built to last: thick tubes where impacts are concentrated, cables routed inside the frame so they do not rub, and routing already in place for a dropper seatpost. It is a frame that is happy to grow old with you.
| Alpha Silver (Marlin 5) | Alpha Gold (Roscoe 8) | Alpha Platinum (Farley 5) | |
| Level | Entry point to the aluminium MTB range | More aggressive trail hardtail | Lighter aluminium, fat bike use |
| Construction | Reinforced tubes, versatile geometry | Tapered head tube, Boost, ISCG 05 | Refined frame, plenty of mounts |
| Reference bike | Marlin 4 to 7 | Roscoe 8 | Farley 5 |
| What it means | Tough, versatile, easy to maintain | Takes a 140 mm fork | Takes 4.50-inch tyres |
In short: the Marlin 5 keeps the frame shared by the whole Marlin family and brings two real improvements over the Marlin 4: a ninth gear with a wider-range cassette, and a fork lockout, which is invaluable on the road. It weighs 200 g more than the Marlin 4 in size M, a difference you will not feel on the trail.
On the garrigue tracks around Béziers, the ground is often dry, dusty and strewn with loose stones. The 2.40-inch Montrose Comp tyres have enough volume to keep their grip, and the fork soaks up small steps. In town, the lockout turns the Marlin 5 into an efficient bike on tarmac.
The frame is ready for a dropper post thanks to its internal routing: a worthwhile upgrade if you get a taste for descending. We can fit one in the workshop when the time comes. This green-to-petrol-blue fade evokes the sea and stands out without being garish.
| Model | Fork | Drivetrain | Wheels / tyres | Weight (M) |
| Marlin 4 | Suntour XCE 28, 100 mm | Shimano ESSA 1x8 | 29 x 2.40 in (inner tube) | 14.90 kg |
| Marlin 5 | Suntour XCT 30, 100 mm, lockout | Shimano CUES 1x9 | 29 x 2.40 in (inner tube) | 15.10 kg |
| Marlin 6 | RockShox Judy, 100 mm | Shimano CUES 1x10 + dropper post | Tubeless Ready rims | 15.00 kg |
| Marlin 7 | RockShox Judy Silver air, 100 mm | SRAM NX Eagle 1x12 + dropper post | Maxxis Rekon Tubeless Ready | 14.15 kg |
Our take: for mixed town and track riding, the Marlin 5 is the best compromise in the range. The Marlin 6 and Marlin 7 add a dropper post; the Marlin 4 remains an option if budget comes first.
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LVR sizing advice In XS and S, the Marlin 5 rolls on 27.5-inch wheels with a lowered top tube that is easier to step over; from size M it moves to 29-inch wheels. If you are between two sizes, choose the smaller one if you are new to trails.
Source: Trek size guide. Bike fitting available in our Béziers shop. |
| Can I add a dropper post? | Yes, the internal routing is built into the frame; we fit it in the workshop. |
| For what length of ride? | It is very much at home on rides of one to three hours. |
| Are the tyres suitable for town? | Yes, the Montrose roll well on tarmac while staying comfortable on tracks. |
| Is the fade the same over the whole frame? | No, the colour shifts gradually from aqua green to petrol blue. |
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The LVR Cycles verdict The most balanced Marlin for anyone who splits their time between town and tracks, with a frame that is ready to evolve. Its aqua green and petrol blue fade gives it a real freshness.
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Why buy from LVR Cycles? In Béziers, we prepare your Marlin 5 for town or tracks and upgrade it as you progress, dropper post included.
Please note that the specifications may be changed without prior notice by the manufacturer, based on the availability of components and other factors.
Data sheet
Specific References