TREK Marlin 6 Gen 3 2026 Matte Lichen’Keswick Green -L

Marlin – Oversized performance for an undersized price

Marlin is a trail-tough mountain bike that’s ready for any all-terrain adventure, whether you’re exploring the forest on singletrack or navigating the urban jungle. It’s durable, versatile, easy to accessorize, and just as much at home on potholed city streets as on the dirt.

From dirt to daily commutes

Real mountain bike parts for ultimate versatility. Marlin’s stylish frame has internal cable routing, which can help your cables last longer by protecting them from the elements. Plus, it’s easy to outfit Marlin for any adventure with the integrated rack and kickstand mounts.

Fit for every rider

Marlin is available in a wide range of sizes (XS – XXL) with unique fit features on the smallest sizes. Marlin comes in seven frame sizes to suit riders of any height, and Smart Wheel Size ensures you’re on the fastest wheel that fits. The smallest sizes even come with short-reach brake levers and narrower handlebars that give smaller riders better comfort and control.

Curved top tubes on smaller sizes

Lower standover for confidence and easier dismounting.

Smart Wheel Size

Ride the fastest wheel that fits! S and XS frames come with 27.5˝. M and bigger get 29er.

Heart of a race bike

Marlin is built on a race-inspired frame with high-value components and loads of features you’d typically find only on pricier mountain bikes. Plus, it’s backed by a limited lifetime warranty and the world’s best retailer support network.

Add it all up, and you get a fun, common-sense entry into the wild world of singletrack on a bike you won’t out-pace as your skills advance and your rides get faster and longer.

Marlin 6

The Marlin 6 is the perfect ride for progressing your skills on the trails. Its updated slacker frame geometry makes it easier to control on descents while the suspension fork takes the edge off bumpy trails. Integrated rack and kickstand mounts make it easy to add accessories to this versatile steed.