Marlin Frame Set is a lightweight aluminium frame ready to be built into the perfect easy going trail bike. It's loaded with all-new geometry that's more capable than ever, ideal for gaining confidence and speed on the singletrack.
Key Features Trek Marlin AL Gen 3 MTB Frameset 2025
- The Marlin Gen 3 gives you serious trail capability with bigger tyre clearance, internal dropper post routing, ThruSkew rear axle and longer, slacker geometry that gives you more stability on steeper trails and at higher speeds
- You'll get a lightweight aluminium frame that's robust enough for the ride without weighing you down
- Mudguard mounts make it easy to accessorise, so your mountain bike can double as a rugged commuter
| *Frame |
Size: XXS , XS
Alpha Silver Aluminium, curved top tube, internal derailleur and dropper post routing, rack and kickstand mount, 135x5 mm ThruSkew |
Size: S , M , ML , L , XL , XXL
Alpha Silver Aluminium, internal derailleur and dropper post routing, rack and kickstand mount, 135x5 mm ThruSkew |
| Max compatible fork travel |
120mm, XXS: 80mm |
| Skewer rear |
173x5 mm QR |
| Max tyre size |
Frame: 29x2.40" (XXS: 26x2.40", XS & S: 27.5x2.40"), Fork: See manufacturer |
| Max. chainring size |
1x: See FAQ, 2x: 36T, 3x: 42T |
| Head set |
Semi-integrated, 1-1/8" |
| Rotor size |
Max brake rotor sizes - Frame: 180mm (XXS: 160mm), Fork: see fork manufacturer |
| 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.
