2024 Trek Marlin 7 Gen 3 -
Marlin 7 is your best friend on the trail and wherever else you roll thanks to its confidence-boosting trail geometry. It finds the perfect balance between price and performance with an upgraded RockShox suspension fork that makes quick work of rocks and bumps in your path, and the huge gearing range of a SRAM 12-speed SX Eagle drivetrain.
It's right for you if...
You want a go-anywhere trail bike that's got upgrades where it matters most, but won't break the bank. You want to build skills on the trail, and need a bike with confidence-inspiring geometry and upgraded components that can keep up with your progress.
The tech you get
A lightweight aluminum frame with modern trail riding geometry and internal routing that keeps cables protected and the bike looking sleek. An upgraded RockShox suspension fork smooths out rowdy trails, 12-speed SRAM SX Eagle shifting, and the serious stopping power of hydraulic disc brakes.
The final word
Marlin 7 is the go-to trail bike for those wanting to build skills on the singletrack and get the right bang for their buck with upgraded suspension and confidence-inspiring geometry.
Why you'll love it
- Marlin Gen 3 gives you serious trail capability, with big tire clearance and slack, confidence-boosting geometry that keeps you stable from singletrack to city
- Its upgraded RockShox fork gives you 100mm of suspension for turning rocks and roots in the trail into smooth-sailing
- Rack and fender mounts make it easy to accessorize, so your mountain bike can double as a rugged commuter
- Internal routing makes it easy to add a dropper post that lets you lower your saddle on the fly for more confident descending
- Marlin models in sizes XXS and XS have a curved top tube and lower standover height that makes it easier for smaller riders to mount and dismount
SPECIFICATIONS
FRAME
Frame :
Size: XXS , 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: XXS
RockShox Judy Silver, Solo Air spring, rebound adjust, TurnKey hydraulic lockout, 100 mm QR, 80 mm travel
Size: XS , S
RockShox Judy Silver, Solo Air spring, rebound adjust, TurnKey hydraulic lockout, 42mm offset for 27.5'' wheel, 100mm QR, 100mm travel
Size: XS , S , M , ML , L , XL , XXL
RockShox Judy Silver, Solo Air spring, rebound adjust, TurnKey hydraulic lockout, 100 mm QR, 100 mm travel
Size: M , ML , L , XL , XXL
RockShox Judy Silver, Solo Air spring, rebound adjust, TurnKey hydraulic lockout, 46mm offset for 29'' wheel, 100mm QR, 100mm travel
Max compatible fork travel 120mm, XXS: 80mm
WHEELS
Front hub : Formula DC-20 LW, alloy, 6-bolt, 5x100mm QR
Rear hub : Formula DC-22LW, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm QR
Rear skewer : 173x5mm QR
Rims : Bontrager Kovee, double-wall, Tubeless Ready, 28-hole, 23mm width, Presta valve
Tires :
Size: XXS
Maxxis Ardent, tubeless ready, EXO casing, folding bead, 60tpi, 26x2.40''
Size: XS , S
Maxxis Ardent, tubeless ready, EXO casing, folding bead, 60tpi, 27.5x2.40''
Size: M , ML , L , XL , XXL
Maxxis Ardent, tubeless ready, EXO casing, folding bead, 60tpi, 29x2.40''
Max tire size : Frame: 29x2.40" (XXS: 26x2.40", XS & S: 27.5x2.40"), Fork: See manufacturer
BRAKES AND DRIVETRAIN
Shifter : SRAM SX Eagle, 12 speed
Rear derailleur : SRAM SX Eagle
Crank :
Size: XXS
SRAM SX Eagle, 30T steel ring (49mm chainline), 155 mm length
Size: XS , S , M
SRAM SX Eagle, 30T steel ring (49mm chainline), 170 mm length
Size: ML , L , XL , XXL
SRAM SX Eagle, 30T steel ring (49mm chainline), 175 mm length
Bottom bracket : Truvativ Powerspline, 73mm, threaded cartridge, 118mm spindle
Cassette : SRAM PG-1210 Eagle, 11-50, 12 speed
Chain : SRAM SX Eagle, 12 speed
Max chainring size : 1x: 34T, 2x: 36/22
COCKPIT
Pedals : VP-536 nylon platform
Saddle : Bontrager Verse Short, stainless steel rails
Seatpost :
Size: XXS , XS , S
TranzX JD-YSP18, 100mm travel, internal routing, 31.6mm, 361mm length
Size: M
TranzX JD-YSP18, 130mm travel, internal routing, 31.6 mm, 425 mm length
Size: ML , L , XL , XXL
TranzX JD-YSP18, 150mm travel, internal routing, 31.6mm, 470mm length
Handlebar :
Size: XXS , 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: XXS , XS , S
Bontrager Comp, 31.8mm, 7 degree, 35mm length
Size: M , ML , L
Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length
Size: XL
Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 60mm length
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 :
Size: XXS , XS , S , M , ML , L , XL , XXL
Shimano RT26, 6-bolt,160 mm
Size: M , ML , L , XL , XXL
Shimano RT26, 6-bolt,180 mm
Brake Set : Shimano MT200 hydraulic disc
Rotor size : Max brake rotor sizes - Frame: 180mm (XXS: 160mm), Fork: see fork manufacturer
WEIGHT
Weight : M - 14.85 kg / 32.74 lbs (with TLR sealant, no tubes)
Weight limit : This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, materials, and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Bike and frame weights are based off pre-production painted frames at time of publication. Weights may vary in final production.
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