Description
The Trek Marlin 7 Gen 3 Mountain Bike is your ultimate companion on the trails and beyond, offering confidence-boosting trail geometry and a perfect blend of price and performance. Featuring an upgraded RockShox suspension fork and precise Shimano Deore shifting, it effortlessly tackles rocks and bumps while providing a smooth ride.
Key Features:
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Expanded size range: With eight different sizes, the Marlin accommodates every rider, with smart wheel sizing ensuring proportional wheel sizes along with frame sizes for an optimal fit.
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Trail-ready, Upgrade-ready: Marlin’s popularity lies in its trail-savvy frame, upgrade compatibility, and ability to evolve with riders as they tackle more challenging trails.
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Roll stronger with Thru Skew: The Thru Skewer system offers better rear wheel retention, ensuring enhanced security compared to quick-release skewers while maintaining standard 135mm rear hub spacing.
- C omes without Pedals.
Why You’ll Love It:
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Modern mountain bike geometry ensures confident handling on singletracks and versatility for road and bike path use.
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Upgraded RockShox fork provides 100mm of suspension for a smoother ride over rocks and roots.
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Rack and fender mounts allow for easy customization, making it suitable for rugged commuting.
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Internal routing facilitates the addition of a dropper post for on-the-fly saddle adjustment during descents.
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XXS and XS sizes feature a curved top tube and lower standover height for easier mounting and dismounting for smaller riders.
Specifications:
Frameset:
- Frame: Alpha Silver Aluminum, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew
- Fork:
- For Size XS, S: RockShox Judy, coil spring, preload, TurnKey lockout, 42mm offset for 27.5” wheel, 100mm QR, 100mm travel
- For 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
Wheels:
- 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:
- For Size XS, S: Bontrager XT3 Comp, wire bead, 30 tpi, 27.5×2.40”
- For 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
Drivetrain:
- Shifter: Shimano Deore M4100, 10 speed
- Rear derailleur: Shimano Deore M5120, long cage
- Crank:
- For Size XS, S, M: FSA Alpha Drive, 28T steel ring, 55mm chainline, 170mm length
- For Size ML, L, XL, XXL: FSA Alpha Drive, 28T steel ring, 55mm chainline, 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
Components:
- Saddle: Bontrager Arvada, steel rails, 138mm width
- Seatpost:
- For 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
- For Size S: Bontrager alloy, 31.8mm, 15mm rise, 720mm width
- For Size M, ML, L, XL, XXL: Bontrager alloy, 31.8mm, 15mm rise, 750mm width
- Grips: Bontrager XR Trail Comp, nylon lock-on
- Stem:
- For Size XS, S: Bontrager Comp, 31.8mm, 7 degree, 35mm length
- For Size M, ML, L: Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length
- For Size XL: Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 60mm length
- For Size XXL: Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 70mm length
- Headset: Semi-integrated, 1-1/8”
- Brake: Shimano MT200 hydraulic disc
- Brake rotor:
- For Size XS, S, M, ML, L, XL, XXL: Shimano RT26, 6-bolt,160mm
- For Size M, ML, L, XL, XXL: Shimano RT26, 6-bolt,180mm
- Brake Set: Shimano MT200 hydraulic disc
- Rotor size: Max brake rotor sizes – Frame: 180mm (XXS: 160mm), Fork: see fork manufacturer
Weight:
- Weight: 14.60 kg / 32.19 lbs
- Weight Limit: Maximum total weight limit of 300 pounds (136 kg) for bike, rider, and cargo.
The Marlin 7 is your go-to trail bike for skill-building on singletracks, offering upgraded suspension and confidence-inspiring geometry at an unbeatable value.
Sizing
Frame Size |
Rider Height |
Inseam |
|---|---|---|
| XS (13.5″) | 145 – 155 cm | 69 – 73 cm |
| 4’9″ – 5’1″ | 27″ – 29″ | |
| S (15.5″) | 155 – 165 cm | 74 – 78 cm |
| 5’1″ – 5’5″ | 29″ – 31″ | |
| M (17.5″) | 165 – 176 cm | 79 – 83 cm |
| 5’5″ – 5’9″ | 31″ – 33″ | |
| M/L (18.5″) | 173 – 180 cm | 81 – 86 cm |
| 5’8″ – 5’11” | 32″ – 34″ | |
| L (19.5″) | 177 – 188 cm | 84 – 89 cm |
| 5’10” – 6’2″ | 33″ – 35″ | |
| XL (21.5″) | 188 – 195 cm | 89 – 91 cm |
| 6’2″ – 6’5″ | 35″ – 36″ | |
| 2XL (23.0″) | 195 – 203 cm | 91 – 97 cm |
| 6’5″ – 6’8″ | 36″ – 38″ |

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