Trek
Trek Marlin 4 Gen 2 2023
Trek Marlin 4 Gen 2 2023
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The Trek Marlin 4 is the perfect gateway to trail riding. It's ideal for new riders who want a mountain bike with knobby tyres, that can double as a rugged commuter. Disc brakes, front suspension, 21 speeds and mounts for a rack and mudguards make this a great bike for new 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, 21 speeds, 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.
Why you'll love it
- It's a real mountain bike that's also perfectly suited to daily commutes, rides around campus or just getting from A to B on any surface
- Rack and mudguard mounts make it easy to accessorise, so your mountain bike can double as a rugged commuter
- Smaller frame sizes (XS and S) have short-reach brake levers that make it easier and more comfortable for riders with smaller hands to brake confidently
- Marlin models in XS and S frame sizes have a curved top tube and a lower standover height that makes it easier for smaller riders to mount and dismount
- Like every Trek, it's backed by a lifetime warranty
| Component | Size | Specification |
|---|---|---|
| Frame | XS, S | Alpha Silver Aluminium, curved top tube, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5 mm QR |
| M, ML, L, XL, XXL | Alpha Silver Aluminium, internal routing, chainstay disc-brake mount, rack and kickstand mount, 135x5 mm QR | |
| Fork | XS | SR Suntour XCE 28, coil spring, preload, 42 mm offset for 27.5" wheel, 100 mm QR, 80 mm travel |
| S | SR Suntour XCE 28, coil spring, preload, 42 mm offset for 27.5" wheel, 100 mm QR, 100 mm travel | |
| M, ML, L, XL, XXL | SR Suntour XCE 28, coil spring, preload, 46 mm offset for 29" wheel, 100 mm QR, 100 mm travel | |
| Max compatible fork travel | XS & S | 100mm (490mm axle-to-crown) |
| M & up | 100mm (509mm axle-to-crown) | |
| Hub front | All sizes | Formula DC-20, alloy, 6-bolt, 5x100 mm QR |
| Hub rear | All sizes | Formula DC-31, alloy, 6-bolt, 6/7/8-speed freewheel, 135x5 mm QR |
| Skewer rear | All sizes | 152x5 mm QR |
| Rim | All sizes | Bontrager Connection, double-wall, 32-hole, 20 mm width, Schrader valve |
| Tyre | XS, S | Bontrager XR2 Comp, wire bead, 30 tpi, 27.5x2.20" |
| M, ML, L, XL, XXL | Bontrager XR2 Comp, wire bead, 30 tpi, 29x2.20" | |
| M, ML, L, XL, XXL | Bontrager XR2 Comp, wire bead, 30 tpi, 29x2.00" | |
| Max tyre size | Frame: XS & S | 27.5x2.4" |
| Frame: M & up | 29x2.20" | |
| Shifter | All sizes | Shimano Altus EF500, 7-speed |
| Front derailleur | All sizes | Shimano Tourney TY300, 34.9 mm clamp, down swing, down pull |
| Rear derailleur | All sizes | Shimano Tourney TY300 |
| Crank | XS, S, M | Shimano Tourney TY301, 42/34/24, 170 mm length |
| ML, L, XL, XXL | Shimano Tourney TY301, 42/34/24, 175 mm length | |
| Bottom bracket | All sizes | VP BC73, 73 mm, threaded cartridge |
| All sizes | Sealed cartridge, 73mm | |
| Cassette | All sizes | Shimano TZ500, 14-28, 7-speed |
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