Name: Trek Marlin 5 Gen 3 Mountain Bike - 2026
Brand: Trek
SKU: 30409
Price: 625.00 GBP
Availability: InStock

Trek Marlin 5 Gen 3 Mountain Bike – 2026

£625.00

Trek Marlin 5 is a trail-worthy daily rider that’s perfectly suited for everyday adventures, on and off the trail. It features a trail-savvy frame with a suspension fork, 9-speed Shimano CUES shifting and mounts for a rack and kickstand that make it an ideal choice for trail riders or anyone looking for a comfortable, stable commuter with the ruggedness of a real mountain bike.

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Frame	Size: 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: XS SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42 mm offset for 27.5″ wheel, 100 mm QR, 80 mm travel Size: S SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42 mm offset for 27.5″ wheel, 100 mm QR, 100 mm travel Size: M , ML , L , XL , XXL SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42 mm offset for 29″ wheel, 100 mm QR, 100 mm travel
Hub front	Formula DC-20, alloy, 6-bolt, 5×100 mm QR
Hub rear	Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135×5 mm QR
Skewer rear	Size: XS , S , M , ML , L , XL , XXL 173×5 mm QR Size: XS , S , M , ML , L , XL , XXL Trek Thru-Skew
Rim	Bontrager Connection, double-wall, 32-hole, 20 mm width, Schrader valve
Spokes	14 g stainless steel, black
Tyre	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″
Shifter	Shimano U4000, 9-speed
Rear derailleur	Shimano CUES U4000
Crank	Size: XS , S , M , ML Shimano CUES U4001, 32T, 52mm chain line, 170 mm length Size: L , XL , XXL Shimano CUES U4001, 32T, 52mm chain line, 175mm length

Bottom bracket	Shimano, 73 mm, threaded cartridge, 122.5 mm spindle
Cassette	Shimano LINKGLIDE LG300, 11-46, 9-speed
Chain	Shimano LG500
Pedal	VP-536 nylon platform
Saddle	Bontrager Verse Short, stainless steel rails
Seatpost	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: 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: 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
Headset	Semi-integrated, 1-1/8″
Brake	Shimano MT200 hydraulic disc
Brake rotor	Size: XS , S , M , ML , L , XL , XXL Shimano RT26, 6-bolt, 160 mm Size: M , ML , L , XL , XXL Shimano RT26, 6-bolt, 180 mm
Brake Set	Shimano MT200 hydraulic disc

UK Deliveries
Delivery should be expected between 4-7 working days unless stated on product page.

Delivery Of Bikes
All of our bicycles are fully built by our experienced and certified mechanics prior to delivery; all you will need to do is turn the handlebars and fit some pedals.

Delivery Of Turbo Trainers
Unfortunately, we are unable to ship Turbo Trainers, but you are more than welcome to pickup your purchase from our store.

Signature Required
All our consignments irrespective of the carrier require a signature upon delivery. Deliveries are typically made between 08:00 and 18:00, so please bare this in mind when choosing a delivery address.

Wrong Goods/Arrived Damaged
There's no point in pretending that mistakes never happen, although it is very unlikely. If something does go wrong we want you to know that Roe Valley Cycles will get it sorted quickly.
If you aren't happy with your purchase for any reason, please contact us on 028 7776 6406 or through our contact page.

Package Recycling
Where possible we do try to reuse packaging from our own suppliers in order to send purchased items to our customers. We ask if the packaging is still in good condition after you've received your goods, then please try to use it again or recycle it yourself.