Trek Marlin 7 Gen 3 Mountain Bike
Expanded size range
With 8 different sizes, Marlin has a bike made to fit every rider. Each frame is equipped with smart wheel sizing, with XXS frames rolling on 26″ wheels, and wheel sizes increasing proportionally along with frame sizes, so every rider gets the fit they need.
Trail-ready, Upgrade-ready
The secret to Marlin’s popularity is a real trail-savvy mountain bike frame that’s upgrade compatible, so it can grow with you as you take on bigger trails and tougher features.
Roll stronger with Thru Skew
Goodbye open dropouts. The Thru Skewer is a better, stronger, more precisely aligned rear wheel retention system that keeps your wheel more secure than quick-release skewers while still using the standard 135mm rear hub spacing.
| *Frame | Size: XS Alpha Silver Aluminum, curved top tube, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew |
|---|---|
| Size: S , M , ML , L , XL , XXL Alpha Silver Aluminum, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew | |
| *Fork | Size: XS , S RockShox Judy, coil spring, preload, TurnKey lockout, 42mm offset for 27.5” wheel, 100mm QR, 100mm travel |
| Size: M , ML , L , XL , XXL RockShox Judy, coil spring, preload, TurnKey lockout, 46mm offset for 29” wheel, 100mm QR, 100mm travel | |
| Max compatible fork travel | 120mm, XXS: 80mm |
| Hub front | Formula DC-20, alloy, 6-bolt, 100mm ThruSkew |
|---|---|
| Hub rear | Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm QR |
| Skewer rear | Bontrager Switch thru axle |
| Rim | Bontrager Kovee, double-wall, Tubeless Ready, 28-hole, 23mm width, Presta valve |
| *Tire | Size: XS , S Bontrager XT3 Comp, wire bead, 30 tpi, 27.5×2.40” |
| Size: M , ML , L , XL , XXL Bontrager XT3 Comp, wire bead, 30 tpi, 29×2.40” | |
| Max tire size | Frame: 29×2.40″ (XXS: 26×2.40″, XS & S: 27.5×2.40″), Fork: See manufacturer |
| Shifter | Shimano Deore M4100, 10 speed |
|---|---|
| Rear derailleur | Shimano Deore M5120, long cage |
| *Crank | Size: XS , S , M FSA Alpha Drive, 28T steel ring, Boost, 170mm length |
| Size: ML , L , XL , XXL FSA Alpha Drive, 28T steel ring, Boost, 175mm length | |
| Bottom bracket | FSA, 73mm, threaded cartridge, 122.5mm spindle |
| Cassette | Shimano Deore M4100, 11-46, 10 speed |
| Chain | KMC X10, 10 speed |
| Pedal | VP-536 nylon platform |
| Max chainring size | 1x: 34T, 2x: 36/22 |
| Saddle | Bontrager Arvada, steel rails, 138mm width |
|---|---|
| *Seatpost | Size: XS , S , M Bontrager alloy, 31.6mm, 12mm offset, 330mm length |
| Size: ML , L , XL , XXL Bontrager alloy, 31.6mm, 12mm offset, 400mm length | |
| *Handlebar | Size: XS Bontrager alloy, 31.8mm, 5mm rise, 690mm width |
| Size: S Bontrager alloy, 31.8mm, 15mm rise, 720mm width | |
| Size: M , ML , L , XL , XXL Bontrager alloy, 31.8mm, 15mm rise, 750mm width | |
| Grips | Bontrager XR Trail Comp, nylon lock-on |
| *Stem | Size: XS , S Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 35mm length |
| Size: M , ML , L Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 50mm length | |
| Size: XL Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 60mm length | |
| Size: XXL Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 70mm 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,160mm |
| Size: M , ML , L , XL , XXL Shimano RT26, 6-bolt,180mm | |
| Brake Set | Shimano MT200 hydraulic disc |
| Weight | M – 14.60 kg / 32.19 lbs |
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg). |
| Size | Rider Height | Inseam |
|---|---|---|
| 2XS | 135 – 145 cm 4’5″ – 4’9″ | 64 – 68 cm 25″ – 27″ |
| 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″ |
| M/L | 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″ |
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