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Your Local Bike Shop
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Family Owned
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Family Run
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Selling Fun for 25 Years
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Unbeatable Prices
Trek Marlin 4 (2021) Matte Anthracite
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 versatile r
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 versatile ride an excellent entry point 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. Disc brakes, knobby tyres and 21 speeds make Marlin 4 a great choice.
The tech you get
Marlin 4 has 21 speeds with a wide range of gearing for easy riding on varied terrain. It's modelled on our higher-end mountain bikes and built with a lightweight Alpha Silver Aluminium frame, mechanical disc brakes for increased stopping power in any weather conditions, and a suspension fork with 75 mm of travel – just enough to absorb the big bumps and keep you cruising.
The final word
Marlin 4's greatest gift is its versatility. It's built according to Trek's mountain bike heritage and is totally capable of taking on the trails. But it's an efficient daily rider, too. 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
- The flat mountain-style handlebar and disc brakes keep you in control, on or off the trail
- Rack and mudguard mounts make it easy to accessorise, so your mountain bike can double as a rugged commuter
- Like every Trek, it's backed by a lifetime warranty
SPECIFICATIONS
*spec applies to all sizes unless otherwise noted
| Frame | Alpha Silver Aluminium, rack and mudguard mounts, 135x5 mm QR |
|---|---|
| Fork | SR Suntour M-3030, coil spring, preload, 100 mm QR, 75 mm travel |
| Front Hub | Formula DC-20, alloy, 6-bolt, 5x100 mm QR |
|---|---|
| Rear Hub | Formula DC-31, alloy, 6-bolt, 6/7/8-speed freewheel, 135x5 mm QR |
| Rim | Bontrager Connection, double-wall, 32-hole, 20 mm width, Schrader valve |
| Spokes | 14 g stainless steel |
| Tire | Bontrager XR2, 29x2.20" front, 29x2.00" rear (13.5 & 15.5": 27.5x2.20") |
| Shifter | Shimano Altus EF500, 7-speed |
|---|---|
| Front Derailleur | Shimano Tourney TY500, 34.9 mm clamp, top swing, dual pull |
| Rear Derailleur | Shimano Tourney TY300, long cage, 34T max cog |
| Crank | Shimano Tourney TY301, 42/34/24, 170 mm length |
| Bottom Bracket | VP BC73, 73 mm, threaded cartridge |
| Cassette | Shimano TZ21 14-28, 7 speed |
| Chain | KMC Z51 |
| Pedal | Wellgo nylon platform |
| Saddle | Bontrager Evoke 1, steel rails |
|---|---|
| *Seatpost | Size: XS , S Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length |
| Size: M , ML , L , XL , XXL Bontrager alloy, 27.2 mm, 12 mm offset, 400 mm length |
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| Size: M Bontrager alloy, 27.2 mm, 12 mm offset, 360 mm length |
|
| Handlebar | Bontrager Riser, 25.4 mm, 30 mm rise, 620 mm width |
| Grips | Bontrager Satellite Plus |
| *Stem | Size: XS , S Bontrager alloy, 25.4 mm clamp, 15-degree, 60 mm length |
| Size: M , ML , L , XL Bontrager alloy, 25.4 mm clamp, 10-degree, 90mm length |
|
| Size: XXL Bontrager alloy, 25.4 mm clamp, 10-degree, 110 mm length |
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| Headset | Semi-integrated, 1-1/8" |
| Brake | Tektro MD-M280 mechanical disc, 160 mm rotor |
| Weight | M - 14.10 kg / 31.08 lbs (with tubes) |
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb). |
COLOURS: MATTE ANTHRACITE OR MAGENTA
SIZING & FIT
Proper bike fit is essential for best performance and comfort. Any size and geometry measurements shown on trekbikes.com are for general comparison purposes only. To find your perfect fit, visit an authorised Trek retailer, where an expert skilled at sizing will help you find the appropriate bike and size for your individual needs.
All measurements provided in cm unless otherwise stated.
| Frame size number | Frame size letter | Wheel size | A — Seat tube | B — Seat tube angle | C — Head tube length | D — Head angle | E — Effective top tube | F — Bottom bracket height | G — Bottom bracket drop | H — Chainstay length | I — Offset | J — Trail | K — Wheelbase | L — Standover | M — Frame reach | N — Frame stack |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 13.5 | XS | 27.5" | 34.3 | 73.5° | 9.0 | 69.3° | 54.3 | 29.2 | 5.8 | 43.8 | 4.2 | 8.8 | 104.9 | 69.8 | 37.6 | 56.5 |
| 13.5 in | XS | 27.5" | 34.3 | 73.5° | 9.0 | 69.5° | 54.3 | 29.2 | 5.8 | 43.8 | 4.4 | 8.5 | 104.9 | 70.5 | 37.6 | 56.5 |
| 15.5 | S | 27.5" | 36.8 | 73.5° | 9.0 | 69.3° | 55.5 | 30.2 | 4.8 | 43.8 | 4.2 | 8.8 | 106.6 | 72.4 | 38.5 | 57.4 |
| 15.5 in | S | 27.5" | 36.8 | 73.5° | 9.0 | 69.5° | 55.5 | 30.2 | 4.8 | 43.8 | 4.4 | 8.5 | 106.6 | 72.8 | 38.5 | 57.4 |
| 17.5 | M | 29" | 41.9 | 71.9° | 9.0 | 69.5° | 60.2 | 31.1 | 5.8 | 43.8 | 4.2 | 9.3 | 110.0 | 74.8 | 41.8 | 60.2 |
| 17.5 in | M | 29" | 41.9 | 73.5° | 9.0 | 69.5° | 59.5 | 31.1 | 5.8 | 43.8 | 5.1 | 8.3 | 110.9 | 74.3 | 41.8 | 59.8 |
| 18.5 | ML | 29" | 44.4 | 71.9° | 9.0 | 69.5° | 61.8 | 31.0 | 5.8 | 43.8 | 4.2 | 9.3 | 111.6 | 75.8 | 43.4 | 60.2 |
| 18.5 in | ML | 29" | 44.4 | 73.5° | 9.0 | 69.5° | 61.1 | 31.1 | 5.8 | 43.8 | 5.1 | 8.3 | 112.5 | 75.0 | 43.4 | 59.8 |
| 19.5 | L | 29" | 47.0 | 71.9° | 10.0 | 69.5° | 63.8 | 31.0 | 5.8 | 43.8 | 4.2 | 9.3 | 113.7 | 75.7 | 4 |
