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Mountain

When the lure of off-road adventure calls, a mountain bike is an essential piece of equipment to maximize the experience. A distant cousin to the road bike, these knobby, wide-tired bikes don't flinch when it comes to tackling all manner of variable terrain. As the popularity of mountain biking has continued to rise, so have the evolution of bikes designed to tackle specific tasks. 

This has led to a very common question we get at our Peachtree City and McDonough locations:

What type of mountain bike is right for me?

Do you want a hardtail or full suspension bike? Is a 27.5" frame better than a 29"? Carbon fiber or aluminum? These are all questions our staff is well-equipped to answer!

One of the most logical starting points to determine the right fit for a mountain bike would be our Guru ExperienceOur state-of-the-art, computer-controlled GURU DYNAMIC FIT UNIT™ (DFU™) adjusts your riding position in real-time to maximize your comfort and efficiency. At Atlanta Trek, we also offer a unique mountain bike tune-up program that will ensure your bike remains in excellent condition, no matter how difficult terrain. 

With factory training from Trek, Shimano, Fox, SRAM, and Bosch, we are ready to work on the latest equipment on the market. All backed by our 24-hour repair guarantee.

Have a look below at our full selection, and if you have specific questions don't hesitate to reach out and ask!

Trek Top Fuel 9.8 XT
$6,499.99
Top Fuel 9.8 is a full suspension carbon mountain bike for riders who don't settle. Not for parts nor for one style of riding. It combines a high-end parts package with a low-weight carbon frame for one unbelievably fun rig that's fast on flow and fun to ride on techy singletrack. It's right for you if... You're looking for a do-it-all full suspension mountain bike that's efficient and fast, but doesn't shy away from some bigger stuff. You want the added stiffness and weight savings of a carbon frame, but don't mind saving some money on the parts. The tech you get A light and stiff full carbon frame, 120mm RockShox SID Select+ fork, 120mm of rear travel with a RockShox SID Luxe Ultimate shock, and a new Shimano XT 1x12 drivetrain. Plus, wide carbon Bontrager Line Elite 30 wheels with a 108-tooth Rapid Drive hub for instant engagement, 4-piston brakes for confident descents, Bontrager Line Elite Dropper, and carbon handlebars. The final word Top Fuel 9.8 is a ridiculously fun carbon down-country bike with upgraded parts that give you noticeable benefits on the trail, like more speed from the carbon wheels and more grip from the ultra-smooth suspension. Why you'll love it - Wider Line Elite 30 wheels provide better tire support so you can run lower pressure and get more traction - A sleek internal storage compartment gives you a versatile spot to stow tools and gear - This bike's killer suspension setup is both efficient and ready to party - New, removable Knock Block has a bigger steering angle to keep cables and hoses safe without sacrificing turning radius
Trek Top Fuel 7
$3,499.99
Top Fuel 7 is a full suspension mountain bike that combines the speed of a cross country bike with the go-for-it gusto of a trail bike. It's efficient up climbs and fast on sprints, but it's not afraid of letting loose when you want to get rowdy. It's right for you if... You want a full suspension mountain bike that's fast on flats and rolling terrain, but has enough travel to get wild on the trail. You want a solid build spec at a price that won't break your bike bank. The tech you get A lightweight aluminum frame with internal storage, 120mm RockShox 35 Gold fork, 120mm of rear travel with an X-Fusion Pro 2 shock and a wide-range Shimano Deore/XT drivetrain. Plus, Bontrager Line Comp 30 wheels that are already completely tubeless ready, including sealant, hydraulic disc brakes, and a dropper post. The final word Top Fuel 7 is an awesome and affordable bike that's a blast to whip around on and easier on the wallet. It's fast and fun and perfect for riders who want to test their mettle on all types of trails. Why you'll love it - This bike's killer suspension setup is both efficient and ready to party - Mino Link lets you make small adjustments to your geometry quickly and easily, even mid-ride - A sleek internal storage compartment gives you a versatile spot to stow tools and gear - New, removable Knock Block has a bigger steering angle to keep cables and hoses safe without sacrificing turning radius
Trek Fuel EX 7
$3,249.99 - $3,299.99
Fuel EX 7 shines when you're charging down tricky descents, where the upgraded suspension package comes in handy. A lightweight aluminum frame, tubeless ready wheels, and a reliable 1x12 SRAM NX Eagle drivetrain make this an awesome all-around full suspension mountain bike. It's right for you if... You want one bike that's fun to ride on every trail, and you want upgraded parts, like a smoother DebonAir spring fork and a completely tubeless setup for less weight and more traction. The tech you get A light yet stiff alloy frame, a 140mm RockShox fork with a DebonAir spring for better small-bump compliance, and a FOX shock. A 1x12 SRAM NX Eagle drivetrain with a wide gear range. Plus, Bontrager Line Comp 30 wheels with tubeless tires and a dropper post. The final word Fuel EX 7 is a great all-around trail bike for a wide variety of terrain. It has upgrades where it matters most, like the suspension, drivetrain, and tubeless ready Bontrager wheels. Why you'll love it - You get more traction and control with upgraded parts you won't outgrow right away as your skills progress - You're getting a solid trail bike that's ready for anything you are - The dropper post lets you lower your saddle on the fly so it's out of the way on descents - Wide Line Comp 30 wheels provide more tire support so you get better traction and control - We expanded our size range to ensure a better fit for all riders. And, you get the fastest wheel that fits your frame: XS frames get 27.5-inch wheels, S frames get to choose between 27.5-inch or 29-inch, and sizes M to XL get 29-inch wheels
Trek 1120
$2,649.99
Key features - Plus-sized touring: bigger tires, bigger terrain, bigger adventures - All-new proprietary rack system for backcountry gear storage - Carbon adventure fork: light and strong, with mounts aplenty - Go-anywhere adventure spec: wide range 1x drivetrain, disc brakes, & dropper post
Trek Marlin 8
$1,299.99
Marlin 8 is a race-worthy mountain bike that won't break the bank. The smooth, lightweight RockShox fork, tubeless ready wheels, and wide-range 1x drivetrain make this model the best choice for new riders who want a fast cross country hardtail that will hold its own against our higher-end race bikes. It's right for you if... You want a race-ready mountain bike with upgrades on the parts that make a big difference in performance, like a lighter, higher quality suspension fork, wide-range 1x drivetrain, and tubeless ready wheels. The tech you get A light frame with internal cable routing, a smoother-feeling RockShox Judy Silver fork with a Solo Air spring and TurnKey hydraulic lockout, Shimano hydraulic disc brakes, tubeless ready Bontrager Kovee wheels, and a simple 1x12 drivetrain that ditches the front derailleur for less clutter and easier operation. The wide-range 11-50 cassette gives you all the gears you need for clawing up climbs and blazing down descents. The final word The tubeless ready wheels, RockShox suspension, wide range of gearing, and quality parts make it an awesome choice for new mountain bikers who know they want a serious bike for their money. It's fully capable of taking on big trail adventures and XC races. Why you'll love it - This is one of our most popular bikes for good reason. You get all the value, plus all the versatility—it's a totally race-worthy mountain bike with rear rack mounts if you use it for commuting too - The RockShox fork's Solo Air spring can easily be adjusted for a specific rider weight, and it's lighter than a coil spring - Setting your wheels up tubeless reduces the overall weight of your bike and the chances you'll get a flat - The 1x drivetrain gives you all the gears you need and none you don't - Marlin models in XXS through S frame sizes have a curved top tube and a lower standover height that makes it easier for smaller riders to mount and dismount Wheel size: - Size XX-Small: 26-inch - Sizes X-Small – Small: 27.5-inch - Sizes Medium – X-Large: 29-inch
Trek Roscoe 6
$1,149.99
Roscoe 6 is the ideal gateway to mountain biking for new riders looking to have a fun time on the trail. It has plus-sized tires that inspire confidence by keeping you stable, a suspension fork that soaks up the big bumps and roots, an easy-to-use 1x drivetrain, and playful frame geometry that makes it easier to control your bike on technical trails and winding singletrack. It's right for you if... - You know there are good times to be had on the trail, and you want to be part of them! You're looking for an easy entry to the sport of mountain biking on a bike that will keep you excited and motivated to get out there day after day. The tech you get - A strong aluminum frame, confidence-inspiring 27.5+ wheels with wide, grippy tires, and an SR Suntour fork with 120mm of travel. It has a trail-tough Shimano drivetrain with 10 speeds and a wide range of gears for climbing, hydraulic disc brakes, and a dropper post for extra room on rough trails. The final word - Roscoe 6 is like the friend who takes you mountain biking for the first time and never gets frustrated while they're teaching you how to ride. It's all about getting out there, having fun, and enjoying the great sport of trail riding! Why you'll love it - It's more fun to be a better rider: Roscoe is so stable and forgiving, it's like an instant ability upgrade - Even when the trail gets rough, the wide 27.5+ tires deliver more confidence, traction, and stability - The dropper post lets you lower your saddle on the fly so it's out of the way on descents - It has rack mounts so you can use it for bikepacking or even running errands Features: Built for fun - Roscoe is a confidence-inspiring trail hardtail with stable handling, robust parts, and a longer-travel fork that gives you more control over bigger hits. Built to party with 1x drivetrains and dropper posts, these models are perfect for anyone who values fun over fast. High tech frame - The Alpha Gold Aluminum frame is packed with features that make your ride better. A tapered head tube gives you more precise, confident handling on the front end, while Boost 141 rear hub spacing gives you shorter chainstays for more nimble handling out back. 27.5 Plus traction - Better traction gives you more confidence. Roscoe's extra-wide 27.5 Plus tires give you more grip and overall stability so you can roll over anything with confidence.
Trek Roscoe 6
$1,149.99
Roscoe 6 is the ideal gateway to mountain biking for new riders looking to have a fun time on the trail. It has plus-sized tires that inspire confidence by keeping you stable, a suspension fork that soaks up the big bumps and roots, an easy-to-use 1x drivetrain, and playful frame geometry that makes it easier to control your bike on technical trails and winding singletrack. It's right for you if... - You know there are good times to be had on the trail, and you want to be part of them! You're looking for an easy entry to the sport of mountain biking on a bike that will keep you excited and motivated to get out there day after day. The tech you get - A strong aluminum frame, confidence-inspiring 27.5+ wheels with wide, grippy tires, and an SR Suntour fork with 120mm of travel. It has a trail-tough Shimano drivetrain with 10 speeds and a wide range of gears for climbing, hydraulic disc brakes, and a dropper post for extra room on rough trails. The final word - Roscoe 6 is like the friend who takes you mountain biking for the first time and never gets frustrated while they're teaching you how to ride. It's all about getting out there, having fun, and enjoying the great sport of trail riding! Why you'll love it - It's more fun to be a better rider: Roscoe is so stable and forgiving, it's like an instant ability upgrade - Even when the trail gets rough, the wide 27.5+ tires deliver more confidence, traction, and stability - The dropper post lets you lower your saddle on the fly so it's out of the way on descents - It has rack mounts so you can use it for bikepacking or even running errands Features: Built for fun - Roscoe is a confidence-inspiring trail hardtail with stable handling, robust parts, and a longer-travel fork that gives you more control over bigger hits. Built to party with 1x drivetrains and dropper posts, these models are perfect for anyone who values fun over fast. High tech frame - The Alpha Gold Aluminum frame is packed with features that make your ride better. A tapered head tube gives you more precise, confident handling on the front end, while Boost 141 rear hub spacing gives you shorter chainstays for more nimble handling out back. 27.5 Plus traction - Better traction gives you more confidence. Roscoe's extra-wide 27.5 Plus tires give you more grip and overall stability so you can roll over anything with confidence.
Trek Marlin 7
$979.99
Marlin 7 is where race-worthy mountain bikes begin. The smooth, lightweight RockShox fork and upgraded parts make this model the best choice for new riders who want a fast cross country hardtail that will hold its own against our higher-end race bikes. It's right for you if... - You're new to the trail but have serious singletrack aspirations, and want a race-worthy mountain bike with upgrades on the parts that make a big difference in performance, like a higher quality suspension fork and a wide-range 1x drivetrain. The tech you get - A light frame with internal shift cable and brake hose cable routing, a smoother-feeling RockShox Judy fork with a lockout, Shimano hydraulic disc brakes, and a simple 1x drivetrain that ditches the front derailleur for less clutter and easier operation. Don't worry, with the wide-range 11-46 cassette, you still get all the gears you need for clawing up climbs and blazing down descents. The final word - The RockShox suspension, wide range of gearing, and quality parts make it the best choice in the Marlin lineup for new mountain bikers who know they want a serious bike for their money. It’s fully capable of taking on off-road marathon rides and XC races. Why you'll love it - This is one of our most popular bikes for good reason. You get all the value, plus all the versatility—it's a totally race-worthy mountain bike, with rear rack mounts if you use it for commuting too - It's really fun to ride, and feels like a much more expensive mountain bike - Great suspension at an even better price - The 1x drivetrain gives you all the gears you need and none you don’t - Marlin models in XS and S frame sizes have a curved top tube and a lower standover height that makes it easier for smaller riders to mount and dismount Wheel size: Size X-Small – Small: 27.5-inch Sizes Medium – XX-Large: 29-inch
Trek Marlin 6
$799.99
Marlin 6 is a cross country mountain bike built to give you an efficient off-road ride with a suspension fork that locks out, and a simple 1x drivetrain. It's made for mountain biking, but it's also equipped with features like rack and kickstand mounts that make it a great choice for adventurous daily commutes. It's right for you if... You're testing the waters of off-road riding and want a real mountain bike at a great value with a wide range of gears to cover more ground on the road and trail. The tech you get A lightweight aluminum frame with internal routing to protect your cables and add to the bike's sleek look, powerful hydraulic disc brakes, and a simple 1x10 Shimano drivetrain that ditches the front derailleur for less clutter and easier operation. The wide-range cassette still gives you all the gears you need for big climbs and steep descents. Plus, a suspension fork with a lever that lets you easily lock the suspension so you don't waste energy on smooth terrain. The final word Marlin 6 gives you upgrades you'll notice on every ride, like the smooth, simple shifting Shimano drivetrain. Extra-strong, double-walled rims and powerful hydraulic disc brakes give you durability and stopping power for your most rugged adventures on the trail, in town, and everywhere in between. Why you'll love it - The 1x drivetrain gives you all the gears you need and none you don't - Smaller frame sizes (XXS, XS, and S) have short-reach brake levers that make it easier and more comfortable for riders with smaller hands to brake confidently - Marlin models in XXS through S frame sizes have a curved top tube and a lower standover height that makes it easier for smaller riders to mount and dismount - Rack and kickstand mounts make it easy to accessorize, so your mountain bike can double as a rugged commuter - Like every model in the Marlin family, it's backed by Trek's lifetime warranty
Trek Marlin 5
$699.99
Marlin 5 is a trail-worthy daily rider that's perfectly suited for everyday adventures, on and off the trail. A suspension fork, 2x8 drivetrain, and mounts for a rack and kickstand make it an ideal choice for new trail riders or anyone looking for a comfortable, stable commuter with the ruggedness of a real mountain bike. It's right for you if... You're new to the trail, and you're looking for a real mountain bike that doubles as a commuter—and you want it all at an exceptional value. The tech you get A lightweight aluminum frame with internal routing to protect your cables and add to the bike's sleek look, 2x8 drivetrain, a wide range of gearing so you always have the right gear for your terrain, powerful hydraulic disc brakes, and a terrain-smoothing suspension fork with a lockout. The final word Marlin 5 is a great ride for all your adventures. But it's also versatile, and Marlin 5 is a popular ride on college campuses, because the rack and kickstand mounts make it easy to accessorize and haul a load. Why you'll love it - It's a real mountain bike that's also perfectly suited to daily commutes, rides around campus, or just getting from A to B on any surface - Smaller frame sizes (XXS, XS, and S) have short-reach brake levers that make it easier and more comfortable for riders with smaller hands to brake confidently - Marlin models in XXS through S frame sizes have a curved top tube and a lower standover height that makes it easier for smaller riders to mount and dismount - Rack and kickstand mounts make it easy to accessorize, so your mountain bike can double as a rugged commuter - Like every model in the Marlin family, it's backed by Trek's lifetime warranty Wheel size: - Size XX-Small: 26-inch - Sizes X-Small – Small: 27.5-inch - Sizes Medium – XX-Large: 29-inch
Trek Marlin 4
$579.99
Marlin 4 is the perfect gateway to trail riding. It's ideal for new riders who want a mountain bike with knobby tires that can double as a rugged commuter. Disc brakes, front suspension, 21 speeds, and mounts for a rack and fenders make this a great bike for new trail riders and campus commuters alike. It's right for you if... You want an introductory mountain bike at an incredible price but also want a commuter that's rugged enough to hop curbs on the way to class. The tech you get A lightweight aluminum frame with internal routing to protect your cables and add to the bike's sleek look, 21 speeds, a wide range of gearing so you always have the right gear for your terrain, powerful mechanical disc brakes, and a suspension fork that takes the edge off bumps and rough terrain. The final word Marlin is made for any adventure. The rack and fender mounts make it a great choice for commuters who want to get a little rad on the way to class or the grocery store. Why you'll love it - It's a real mountain bike that's also perfectly suited to daily commutes, rides around campus, or just getting from A to B on any surface - Rack and fender mounts make it easy to accessorize, so your mountain bike can double as a rugged commuter - Smaller frame sizes (XS and S) have short-reach brake levers that make it easier and more comfortable for riders with smaller hands to brake confidently - Marlin models in XS and S frame sizes have a curved top tube and a lower standover height that makes it easier for smaller riders to mount and dismount - Like every model in the Marlin family, it's backed by Trek's lifetime warranty Wheel size: - Sizes X-Small – Small: 27.5-inch - Sizes Medium – XX-Large: 29-inch
Trek 820 - Women's
$469.99
820 Women's is an excellent entryway to a world of off-road adventures. It's the most affordable mountain bike in our lineup and the ideal choice for women who are interested in the MTB life but also want a hybrid bike with a confidence-building step-through frame and a saddle made specifically for women. It's right for you if... You're ready to try your hand at mountain biking to see if you fall in love, and want a bike you can ride wherever you choose. You plan to ride all types of terrain, from city streets to gravel paths and light singletrack. The tech you get 820 Women's has a steel step-through style frame that's easy to mount and dismount, semi-slick tires that roll well on pavement and trails, durable alloy wheels, a seat made for women, and a suspension fork that takes the edge off bumps. Plus, it has mounts so you can accessorize with racks, fenders, lights, a fitness tracker, a kickstand, and more! The final word 820 Women's is a great bike for women testing the waters of off-road riding. It's versatile, durable, and works well on rough pavement, light trails, or both. Why you'll love it - 820 Women's is a great bike at an even better price, and it lets you explore off-road riding without the giant price tag that comes with higher-end mountain bikes -The high-volume mountain bike tires and suspension fork take the edge off rough roads and trails - The step-through-style frame makes it easy to mount and dismount - Rack, fender, and kickstand mounts make it easy to accessorize, so your mountain bike can double as a rugged commuter
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