Trek
TREK Marlin 7 Gen 3 Cross Country Mountain Bike 29er - Azure
TREK Marlin 7 Gen 3 Cross Country Mountain Bike 29er - Azure
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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 offers 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 precise Shimano Deore shifting.
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.
The tech you get
A lightweight aluminium frame with modern trail riding geometry and internal routing that keeps cables protected and keeps the bike looking sleek. An upgraded RockShox suspension fork that smooths out rowdy trails, 10-speed fuss-free Shimano Deore shifting and the serious stopping power of hydraulic disc brakes.
The final word
The Marlin 7 is the go-to trail bike for those wanting to build skills on the singletrack and get the best bang for their bucks with upgraded suspension and confidence-inspiring geometry.
Why you'll love it
- You get real-deal modern mountain bike geometry that keeps handling confident when you're on singletrack, but is versatile enough for use on roads and bike trails too
- Its upgraded RockShox fork gives you 100 mm of suspension for turning rocks and roots in the trail into smooth-sailing
- Rack and mudguard mounts make it easy to accessorise, 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
Expanded size range
With 8 different sizes, the 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 135 mm rear hub spacing.
| Frame |
Size: XXS , XS Alpha Silver Aluminium, curved top tube, internal derailleur and dropper post routing, rack and kickstand mount, 135x5 mm ThruSkew |
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Size: XXS , XS , S , M , ML , L , XL , XXL Alpha Silver Aluminum, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew |
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Size: S , M , ML , L , XL , XXL Alpha Silver Aluminium, internal derailleur and dropper post routing, rack and kickstand mount, 135x5 mm ThruSkew |
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| *Fork |
Size: XXS RockShox Judy, coil spring, preload, TurnKey lockout, 42 mm offset for 27.5" wheel, 100 mm QR, 80 mm travel |
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Size: XS , S RockShox Judy, coil spring, preload, TurnKey lockout, 42 mm offset for 27.5" wheel, 100 mm QR, 100 mm travel |
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Size: M , ML , L , XL , XXL RockShox Judy, coil spring, preload, TurnKey lockout, 46 mm offset for 29" wheel, 100 mm QR, 100 mm travel |
| Hub front | Formula DC-20, alloy, 6-bolt, 100 mm ThruSkew |
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| Hub rear | Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm QR |
| Skewer rear | Bontrager Switch thru axle |
| Rim | Bontrager Kovee, double-wall, Tubeless Ready, 28-hole, 23 mm width, Presta valve |
| Spokes | 14 g stainless steel |
| *Tyre |
Size: XXS Bontrager XT3 Comp, wire bead, 30 tpi, 26x2.35" |
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Size: XS , S Bontrager XT3 Comp, wire bead, 30 tpi, 27.5x2.40" |
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Size: M , ML , L , XL , XXL Bontrager XT3 Comp, wire bead, 30 tpi, 29x2.40" |
| Shifter | Shimano Deore M4100, 10 speed |
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| Rear derailleur | Shimano Deore M5120, long cage |
| *Crank |
Size: XXS FSA Alpha Drive, 28T steel ring, Boost, 160 mm length |
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Size: XS , S , M FSA Alpha Drive, 28T steel ring, Boost, 170 mm length |
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Size: ML , L , XL , XXL FSA Alpha Drive, 28T steel ring, Boost, 175 mm length |
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| Bottom bracket | FSA, 73 mm, threaded cartridge, 122.5 mm spindle |
| Cassette | Shimano Deore M4100, 11-46, 10-speed |
| Chain | KMC X10, 10-speed |
| Saddle | Bontrager Arvada, steel rails, 138 mm width |
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| *Seatpost |
Size: XXS Bontrager alloy, 31.6 mm, 12 mm offset, 300 mm length |
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Size: XS , S , M Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length |
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Size: ML , L , XL , XXL Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length |
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| *Handlebar |
Size: XXS , XS Bontrager alloy, 31.8 mm, 5 mm rise, 690 mm width |
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Size: S Bontrager alloy, 31.8 mm, 15 mm rise, 720 mm width |
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Size: M , ML , L , XL , XXL Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width |
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| Grips | Bontrager XR Trail Comp, nylon lock-on |
| *Stem |
Size: XXS , XS , S Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 35 mm length |
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Size: M , ML , L Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length |
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Size: XL Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 60 mm length |
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Size: XXL Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 70 mm length |
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| Head set | 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 |
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Size: M , ML , L , XL , XXL Shimano RT26, 6-bolt,180 mm |
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| Brake Set | Shimano MT200 hydraulic disc |
| Weight | M - 14.60 kg / 32.19 lbs |
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| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lbs). |
