Description
The 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 hydraulic 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
- The Marlin Gen 2 is ready to roll with easy to use features that help you get the best bang for your buck
- 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
*Please note spec applies to all sizes unless listed separately
| *Frame | Size: XS , S Alpha Silver Aluminium, curved top tube, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5 mm QR | 
|---|---|
| Size: M , ML , L , XL , XXL Alpha Silver Aluminium, internal routing, chainstay disc-brake mount, rack and kickstand mount, 135x5 mm QR | |
| *Fork | Size: XS SR Suntour XCE 28, coil spring, preload, 42 mm offset for 27.5" wheel, 100 mm QR, 80 mm travel | 
| Size: S SR Suntour XCE 28, coil spring, preload, 42 mm offset for 27.5" wheel, 100 mm QR, 100 mm travel | |
| 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 | |
| Max compatible fork travel | 100 mm (XS and S: 490 mm axle-to-crown, M and up: 509 mm axle-to-crown) | 
| Skewer rear | 152x5 mm QR | 
|---|---|
| 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 | 
|---|---|
| Size: XS , S , M , ML , L , XL , XXL Shimano Altus EF500, 7-speed | |
| 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 | 
| Size: ML , L , XL , XXL ProWheel TM-CY10, 36/22, 175 mm length | |
| 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 | 
|---|---|
| *Seatpost | Size: XS , S Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length | 
| Size: M Bontrager alloy, 31.6 mm, 12 mm offset, 360 mm length | |
| Size: ML , L , XL , XXL Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length | |
| *Handlebar | Size: XS , S Bontrager alloy, 31.8 mm, 5 mm rise, 690 mm width | 
| Size: M , ML , L , XL , XXL Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width | |
| Grips | Bontrager XR Endurance Comp, lock-on | 
| *Stem | Size: XS , S Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length | 
| Size: M Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 60 mm length | |
| Size: ML , L Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 70 mm length | |
| Size: XL , XXL Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 80 mm length | |
| Head set | Semi-integrated, 1-1/8" | 
| *Brake | Size: XS , S , M , ML , L , XL , XXL Hydraulic Disc Brake - Front | 
| Size: XS , S , M , ML , L , XL , XXL Hydraulic Disc Brake - Rear | |
| Brake rotor | Tektro, 6-bolt, 160mm | 
| Weight | M - 14.60 kg / 32.19 lb | 
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb). | 
Sizing
| Size | Rider Height | Inseam | 
|---|---|---|
| XS | 145 - 155 cm 4'9" - 5'1" | 69 - 73 cm 27" - 29" | 
| S | 155 - 165 cm 5'1" - 5'5" | 74 - 78 cm 29" - 31" | 
| M | 165 - 176 cm 5'5" - 5'9" | 79 - 83 cm 31" - 33" | 
| ML | 173 - 180 cm 5'8" - 5'11" | 81 - 86 cm 32" - 34" | 
| L | 177 - 188 cm 5'10" - 6'2" | 84 - 89 cm 33" - 35" | 
| XL | 188 - 195 cm 6'2" - 6'5" | 89 - 91 cm 35" - 36" | 
| 2XL | 195 - 203 cm 6'5" - 6'8" | 91 - 97 cm 36" - 38" | 

 
    
   
                 
    
   
                    