Trek Marlin 4 Gen 2 2025
5301846
Regular price £500.00The Marlin 4 is the gateway mountain bike that will take you from rail trails to singletrack. It's ideal for riders who want a mountain bike with knobby tyres that can double as a rugged commuter. Disc brakes, front suspension, Shimano 14-speed shifting and mounts for a rack and mudguards make this a great bike for trail riders and campus commuters alike.
It's right for you if...
You want an introductory mountain bike at an incredible price, but also want a commuter that's rugged enough to hop kerbs on the way to class.
The tech you get
A lightweight aluminium frame with internal routing to protect your cables and add to the bike's sleek look, trustworthy 14-speed Shimano shifting with a wide range of gearing so you always have the right gear for your terrain, powerful mechanical disc brakes and a suspension fork that takes the edge off bumps and rough terrain.
The final word
The Marlin is made for any adventure. The rack and mudguard mounts make it a great choice for commuters who want to get a little rad on the way to class or the shops.
| *Frame |
Size: XS , S Alpha Silver Aluminium, curved top tube, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5 mm QR |
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Size: M , ML , L , XL , XXL Alpha Silver Aluminium, internal routing, chainstay disc-brake mount, rack and kickstand mount, 135x5 mm QR |
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| *Fork |
Size: XS SR Suntour XCE 28, coil spring, preload, 42 mm offset for 27.5" wheel, 100 mm QR, 80 mm travel |
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Size: S SR Suntour XCE 28, coil spring, preload, 42 mm offset for 27.5" wheel, 100 mm QR, 100 mm travel |
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Size: M , ML , L , XL , XXL SR Suntour XCE 28, coil spring, preload, 46 mm offset for 29" wheel, 100 mm QR, 100 mm travel |
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| Max compatible fork travel | 100mm (XS and S: 490mm axle-to-crown, M and up: 509mm axle-to-crown) |
| Skewer rear | 152x5 mm QR |
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| Max tyre size | Frame: 29x2.20" (XS & S: 27.5x2.40"), Fork: See manufacturer |
| *Shifter |
Size: XS , S , M , ML , L , XL , XXL Shimano EF500, 2-speed |
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Size: XS , S , M , ML , L , XL , XXL Shimano Altus EF500, 7-speed |
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| Front derailleur | Shimano Altus M315, 34.9 mm clamp, top swing, dual pull |
| Rear derailleur | Shimano Tourney TY300 |
| *Crank |
Size: XS , S , M ProWheel TM-CY10, 36/22, 170 mm length |
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Size: ML , L , XL , XXL ProWheel TM-CY10, 36/22, 175 mm length |
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| Bottom bracket | VP BC73, 73 mm, threaded cartridge |
| Cassette | Shimano TZ500, 14-34, 7-speed |
| Chain | KMC Z7, 7-speed |
| Pedal | VP-536 nylon platform |
| Max. chainring size | 1x/2x: 34T, 3x: 42T |
| Saddle | Bontrager Verse Short, stainless steel rails |
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| *Seatpost |
Size: XS , S Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length |
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Size: M Bontrager alloy, 31.6 mm, 12 mm offset, 360 mm length |
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Size: ML , L , XL , XXL Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length |
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| *Handlebar |
Size: XS , S Bontrager alloy, 31.8 mm, 5 mm rise, 690 mm width |
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Size: M , ML , L , XL , XXL Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width |
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| Grips | Bontrager XR Endurance Comp, lock-on |
| *Stem |
Size: XS , S Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 50 mm length |
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Size: M Bontrager alloy, 31.8 mm, Blendr-compatible, 7-degree, 60 mm length |
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Size: ML , L Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 70 mm length |
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Size: XL , XXL Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 80 mm length |
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| Head set | Semi-integrated, 1-1/8" |
| *Brake |
Size: XS , S , M , ML , L , XL , XXL Tektro MD-M280 mechanical disc |
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Size: XS , S , M , ML , L , XL , XXL Tektro MD-M281 mechanical disc |
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| Brake rotor | Tektro, 6-bolt, 160mm |
| Weight | M - 14.60 kg / 32.19 lbs |
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| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb). |
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.
