Trek Marlin 7 Gen 3 2025
5295487
Regular price £1,100.00The 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 aluminium 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
The 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.
| *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: 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 Silver, Solo Air spring, rebound adjust, TurnKey hydraulic lockout, 42 mm offset for 27.5" wheel, 100 mm QR, 80 mm travel |
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Size: XS , S RockShox Judy Silver, Solo Air spring, rebound adjust, TurnKey hydraulic 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 Silver, Solo Air spring, rebound adjust, TurnKey hydraulic lockout, 46 mm offset for 29" wheel, 100 mm QR, 100 mm travel |
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| Max compatible fork travel | 120mm, XXS: 80mm |
| Hub front | Formula DC-20 LW, alloy, 6-bolt, 5x100 mm QR |
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| Hub rear | Formula DC-22LW, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm QR |
| Skewer rear | 173x5 mm QR |
| Rim | Bontrager Kovee, double-wall, Tubeless-Ready, 28-hole, 23 mm width, Presta valve |
| *Tyre |
Size: XXS Maxxis Ardent, tubeless ready, EXO casing, folding bead, 60tpi, 26x2.40" |
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Size: XS , S Maxxis Ardent, tubeless ready, EXO casing, folding bead, 60tpi, 27.5x2.40" |
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Size: M , ML , L , XL , XXL Maxxis Ardent, tubeless ready, EXO casing, folding bead, 60tpi, 29x2.40" |
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| Max tyre size | Frame: 29x2.40" (XXS: 26x2.40", XS & S: 27.5x2.40"), Fork: See manufacturer |
| Shifter | SRAM SX Eagle, 12-speed |
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| Rear derailleur | SRAM SX Eagle |
| *Crank |
Size: XXS SRAM SX Eagle, 30T steel ring, 49 mm chainline, 155 mm length |
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Size: XS , S , M SRAM SX Eagle, 30T steel ring, 49 mm chainline, 170 mm length |
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Size: ML , L , XL , XXL SRAM SX Eagle, 30T steel ring, 49 mm chainline, 175 mm length |
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| Bottom bracket | Truvativ Powerspline, 73 mm, threaded cartridge, 118 mm spindle |
| Cassette | SRAM PG-1210 Eagle, 11-50, 12-speed |
| Chain | SRAM SX Eagle, 12-speed |
| Pedal | VP-536 nylon platform |
| Max. chainring size | 1x: 34T, 2x: 36/22 |
| Saddle | Bontrager Verse Short, stainless steel rails |
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| *Seatpost |
Size: XXS , XS , S TranzX JD-YSP18, 100 mm travel, internal routing, 31.6 mm, 361 mm length |
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Size: M TranzX JD-YSP18, 130mm travel, internal routing, 31.6 mm, 425 mm length |
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Size: ML , L , XL , XXL TranzX JD-YSP18, 150 mm travel, internal routing, 31.6 mm, 470 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, 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 |
| Rotor size | Max brake rotor sizes - Frame: 180mm (XXS: 160mm), Fork: see fork manufacturer |
| Weight | M - 14.85 kg / 32.74 lbs (with TLR sealant, no tubes) |
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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 lb). |
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, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.
