Trek Marlin 5 Gen 3 Hardtail Mountain Bike 2025

Alpha Silver Aluminium frame with dropper post routing
SR Suntour 100mm travel fork
Shimano 9-Speed drive with LinkGlide
Tektro hydraulic disc brakes

£600.00

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Trek Marlin 5 Gen 3 Hardtail Mountain Bike 2025

Marlin 5 is a trail-worthy daily rider that's perfectly suited for everyday adventures, on and off the trail. A suspension fork, 2x8 drivetrain, and mounts for a rack and kickstand make it an ideal choice for new trail riders or anyone looking for a comfortable, stable commuter with the ruggedness of a real mountain bike.

It's right for you if...

You're new to the trail and you’re looking for a real mountain bike that doubles as a commuter – and you want it all at an exceptional value.

The tech you get

A lightweight aluminium frame with internal routing to protect your cables and add to the bike's sleek look, an upgraded 9-speed Shimano CUES drivetrain, a wide range of gearing so you always have the right gear for your terrain, powerful hydraulic disc brakes and a terrain-smoothing suspension fork with a lockout.

Why you'll love it

The Marlin Gen 3 gives you serious trail capability, with big tyre clearance and slack, confidence-boosting geometry that keeps you stable from singletrack to city
Rack and mudguard mounts make it easy to accessorise, so your mountain bike can double as a rugged commuter
Its ThruSkew system is safer, simpler and stronger, plus it makes removing the rear wheel easy for flat fixes in a hurry
Internal routing makes it easy to add a dropper post that lets you lower your saddle on the fly for more confident descending
Marlin models in sizes XXS and XS have a curved top tube and lower standover height that makes it easier for smaller riders to mount and dismount

The final word

The Marlin 5 is a great ride for all your adventures. But it's also versatile, and Marlin 5 is a popular ride on college campuses because the rack and kickstand mounts make it easy to accessorise and haul a load.

Wheel Size:

X-Small / Small - 27.5"
Medium and larger - 29"

Frame	Alpha Silver Aluminium, internal derailleur and dropper post routing, rack and kickstand mount, 135x5 mm ThruSkew
Rear shock	None
Fork	SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 100 mm QR, 100 mm travel
Headset	Semi-integrated, 1-1/8"
Shifters	Shimano U4000, 9-speed
Front derailleur	None
Rear derailleur	Shimano CUES U4000
Chainset	Prowheel C10Y-NW, 30T steel narrow-wide ring
Bottom bracket
Chain	Shimano LG500
Cassette	Shimano LINKGLIDE LG300, 11-46, 9-speed
Wheelset	Bontrager Connection, double-wall, 32-hole, 20 mm width, Schrader valve
Hubs	Formula DC-20, alloy, 6-bolt, 5x100 mm QR Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm QR
Spokes
Tyres	Bontrager XT3 Comp, wire bead, 30 tpi Co Consul
Brakes	Tektro HD-M276 hydraulic disc, Tektro, 6-bolt, 160mm
Handlebars	Bontrager alloy, 31.8 mm, 5 mm rise
Grips	Bontrager XR Trail Comp, nylon lock-on
Stem	Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree
Saddle
Seatpost	Bontrager alloy, 31.6 mm, 12 mm offset
Pedals	VP-536 nylon platform

We aim to provide efficient delivery on all packages to mainland UK addresses. There are some areas where we will need to charge slightly more due to postage costs such as Highlands & Islands, Southern Ireland & Isle of Man.

Delivery is charged at £5.95 for standard delivery to UK mainland (see below for exceptions). Next working day delivery available for £6.95 if order before 1pm. Bikes are subject to £10.00 carriage charge. Exceptions can be found below. E-Bikes are subject to £30.00 carriage charge due to higher weight and value involved for insurance purposes.

Free delivery is available for orders over £75 and is a 2 working day service.

Orders placed before 12pm Monday to Thursday will be shipped the same day for next day delivery. Orders placed after 12pm Thursday and onwards will be shipped on Monday.

DUE TO THE CURRENT HIGH DEMAND, DELIVERY TIME FOR BIKES IS 3-5 DAYS. ALL PARTS AND ACCESSORIES ARE STILL 1-2 DAYS.

We use DPD for all our shipments:

DPD offer an excellent delivery service, with full tracking information and an hour time slot given on the day of delivery. You can also change the destination of your parcel, including local drop off points.

*Saturday delivery can be arranged at extra cost, please call for details.

SHIPPING EXCEPTIONS & SURCHARGES

Unfortunately due to the policies of our chosen shipping companies we regret that we will have to apply a separate charge to selected postcodes in the UK for some of our packages. If we need to apply this charge we will contact you after your order has been placed and work out the extra shipping charge. We do ship outwith the UK, please contact us for prices and options.

NORTHERN IRELAND POSTCODE SHIPPING EXCEPTIONS

Postcodes in Northern Ireland will carry a further charge for shipping, please contact for more details and prices.

ABERDEENSHIRE POSTCODE SHIPPING EXCEPTIONS

Postcodes in Aberdeenshire carry a further charge for large item shipping.

OUTER HEBRIDES POSTCODE SHIPPING EXCEPTIONS

Postcodes in the Outer Hebrides will carry a further charge for large item shipping, please contact for more details and prices.

INVERNESSHIRE POSTCODE SHIPPING EXCEPTIONS

Postcodes in Invernesshire carry a further charge for large item shipping.

KIRKWALL AREA POSTCODE SHIPPING EXCEPTIONS

Postcodes in the Kirkwall area carry a further charge for large item shipping shipping.

PAISLEY (WESTERN ISLES) POSTCODE SHIPPING EXCEPTIONS

Postcodes ranging from PA20 - PA80 in the Paisley & Western Isles will carry a further charge for large item shipping, please contact for more details and prices.