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The Trek Marlin 6 is the latest in the Trek Marlin series of mountain bikes compared to the Marlin 5. It has a lot of similarities, but is different in terms of riding experience due to the improvements in the drivetrain.
The Trek Marlin 6 is known for its new paint color, and its better handling frame, which our testers really liked. We will step by step Trek Marlin 6’s descending and climbing performance, components and specifications, and comparison with other mountain bikes.
If you prefer a smaller budget you can check out our Trek Marlin 5 Review-2022.
Although fast descents are not the Trek Marlin 6’s specialty, we opted for a longer wooded descent. Loose branches are a difficult terrain for many cheap mountain bikes.
But the Trek Marlin 6 has big 29″ tires and 2.2″ wide tires that roll quickly down descending paths where roots and rocks are not visible. Fast descents on rough trails are very easy on the Marlin 6 with its 100mm shock fork, and very good maneuverability.
In fact, I had so much confidence in this SR Suntour that the fast descending trails didn’t bottom out. Our testers didn’t do a particularly rough ride, either. So all things considered, we think the Trek Marlin 6’s fast descents in slick trails are where it shines. Not really suitable for hard rock descents.
Like the Trek Marlin 5, the Trek Marlin 6 is equally impressive, dropping considerable speed on the climbs.
I really like the gentle gradient climbs, which are the most popular climbs for recreational riders. And the Trek Marlin 6 is right up my alley. Trek Marlin 6 uses Tektro’s 100mm travel fork (smaller size is 80mm) with a lockout feature that saves most of the effort on climbs. And it’s a 1X10 drivetrain, although This drivetrain is limited in range, but this test was on moderately difficult climbs without too much difficulty to speak of.
We hit a few snags when we were on particularly steep or gravel-filled uphill roads. Considering its purpose, we can well understand such a design.
If you’re a commuter rider, then you’ll easily fall in love with the Trek Marlin 6’s versatility.
Considering the need for more moderate to low difficulty trails or hilly mountain riding, the loaded pauseable fork and 1X10 drivetrain with a slightly steeper head tube angle are at ease in these terrains.
Flat trails are the best stage for the Marlin 6 mountain bike, with mountable fenders and a rear rack frame that allows you to cross shallow puddles with peace of mind. Last but not least is efficient riding when commuting to the roads, with medium size tires of 27.5 inches or large tires of 29 inches that allow you to ride fast.
The not-too-wide tires give you more maneuverability, and the hydraulic disc brakes provide very good braking power even on long downhills on the road. So we think the Marlin 6 has a strong appeal for the everyday adventurer.
Components and Specifications
The Alpha Silver Aluminium frame of the Trek Marlin 6 is lightweight, yet rugged and durable.
The versatility is not only in the ability to ride on a variety of terrains, but also in Trek’s frame design for the Trek Marlin 6.
The XS-S has a curved head tube, which makes it easier for smaller riders or junior riders to straddle. The clean and tidy internal alignment protects the cable from damage and extends its life. Reserved for rack and bracket mounts, as well as mudguard mounts. Makes long trips or daily commuting much more convenient.
Mountain riding also requires a water bottle holder, and Marlin 6 is equipped with water bottle mounting holes at the seat post and downtube respectively. Let you have plenty of water to replenish after exercise. No easy quick-release front and rear tires are used to make you faster on mountain rides or commuter rides.
All in all this frame design is all about making the rider enjoy the ride more.
1X10 drivetrain (4.2/5)
As the popular 1X drivetrain has a much simpler familiarization process. It ditches the front chainstay’s and lets the shifting concentrate on the rear chainstay, which beginners can get familiar with faster.
And the wide range of flywheels still provides you with all the gearing you need for big climbs and steep hills.
The Trek Marlin 6 is equipped with a Shimano Deore which is a mid-range drivetrain with stable shifting and rugged durability.
SR Suntour fork (4.0/5)
The low to mid-range SR Suntour is not my favorite, as I mentioned in the Trek Marlin 5. But still, the same Marlin 6 plays a big role in descents and bumpy ground.
100mm of travel is the maximum travel this bike is compatible with. Just enough for off-road and if you want to go further, it seems to get tough.
Of course, we need to be reasonable with the Trek Marlin 6, so we still approve of the Trek Marlin 6’s fork’s work performance.
Bontrager XR2 Comp Tires (3.9/5)
Apparently, a fair number of mountain riders were not happy with the Bontrager XR2 Comp being only 2.2″ wide. But the Bontrager XR2 Comp has a smaller knob, which provides better traction in soft hills or muddy terrain.
The not-so-wide tires provide better maneuverability. Although not as good as the 2.3-2.5″ wide tires in rough mountain riding. But you can’t put the Bontrager XR2 Comp in the category of inferior tires either.
I can only give the Marlin 6 3.5 stars for satisfaction. On the one hand we prefer intense mountain riding, on the other hand there are no components that wowed our testers with their performance on climbs.
Tektro HD-M275 hydraulic disc brake (4.5/5)
The Trek Marlin 6 is equipped with Tektro HD-M275 hydraulic disc brakes, which are a mid- to high-end accessory.
It performs particularly well on descending roads, with precise braking yet not lacking in softness. We never go for reasonable claims, and the Marlin 6 seems to exceed the norm when it comes to brake components. It doesn’t take much modulation to achieve very strong braking.
The brake lever is closer to the hand so that smaller riders won’t resist this mountain bike. Although the Trek Marlin 6 brakes are a little bit away from the high-end stuff, that can only be noticed on a bad mountain ride.
Benefits of the Trek Marlin 6 mountain bike
- The Trek Marlin 6’s low to medium price point makes it easier for riders to own
- Lightweight frame for beginners
- 1X10 drivetrain simplifies shifting
- Rear rack and 2 water bottle cages ensure you have plenty of storage space for water and supplies
- 100mm shock front fork with good witness
What we don’t like about it
- No 26-inch tires
- Somewhat stiff seat
- Pedals are easily damaged
Trek Marlin 6 Specs 2022
|Frame||Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5mm QR|
SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42mm offset for 27.5” wheel, 100mm QR, 80mm travel
SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42mm offset for 27.5” wheel, 100mm QR, 100mm travel
Size:M , ML , L , XL , XXL
SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 46mm offset for 29” wheel, 100mm QR, 100mm travel
|Max compatible fork travel||100mm (XS & S: 490mm axle-to-crown, M & up: 509mm axle-to-crown)|
|Hub front||Formula DC-20, alloy, 6-bolt, 5x100mm QR|
|Hub rear||Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm QR|
|Rim||Bontrager Connection, double-wall, 32-hole, 20mm width, schrader valve|
|*Tire||Size:XS , S|
Bontrager XR2 Comp, wire bead, 30 tpi, 27.5×2.20”
Size:M , ML , L , XL , XXL
Bontrager XR2 Comp, wire bead, 30 tpi, 29×2.20”
|Max tire size||Frame: 29×2.20″ (XS & S: 27.5×2.4″) Fork: See manufacturer|
|Shifter||Shimano Deore M4100, 10 speed|
|Rear derailleur||Shimano Deore M5120, long cage|
|Crank||Prowheel C10Y-NW, 30T steel narrow-wide ring, 170mm length|
|Bottom bracket||Sealed cartridge, 73mm|
|Cassette||Shimano Deore M4100, 11-46, 10 speed|
|Chain||KMC X10, 10 speed|
|Pedal||VP-536 nylon platform|
|Max chainring size||1x/2x: 34T, 3x: 42T|
|Saddle||Bontrager Arvada, steel rails, 138mm width|
|*Seatpost||Size:XS , S , M|
Bontrager alloy, 31.6mm, 12mm offset, 330mm length
Size:ML , L , XL , XXL
Bontrager alloy, 31.6mm, 12mm offset, 400mm length
Bontrager alloy, 31.8mm, 5mm rise, 690mm width
Size:S , M , ML , L , XL , XXL
Bontrager alloy, 31.8mm, 5mm rise, 720mm width
|Grips||Bontrager XR Endurance Comp, lock-on|
Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 50mm length
Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 60mm length
Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 70mm length
Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 80mm length
Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 90mm length
|Brake||Tektro HD-M275 hydraulic disc|
|Brake Set||Tektro HD-M275 hydraulic disc, 160mm rotor|
|Weight||M – 14.11 kg / 31.11 lbs|
|Weight limit||This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).|
- How much does a Trek Marlin 6 weight?
The body weight of the M frame is 31.11 lbs (14.11 kg).
- What is the weight limit for the Marlin 6?
This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).
What frame sizes are available for Trek Marlin 6?
|Frame size number||Frame size letter||Wheel size|
|Bicycle||Frame material||Wheel size||Speed Number||Price|
|Trek 820 mountain bike||Trek Custom Steel||26-Inch||21||Click View|
|Trek Marlin 5 mountain bike||Aluminum||27.5-29 Inch||16||Click View|
|Trek Marlin 7 mountain bike||Aluminum||27.5-29 Inch||10||Click View|
|EVIL The Insurgent||Carbon||[front] 27.5 x 2.5in, [rear] 27.5 x 2.3in||12||Click View|
|Schwinn Moab 3 Adult Mountain Bike||Aluminum||29-Inch||24||Click View|
Trek 820 mountain bike VS Trek Marlin 6
The difference between the Trek 820 and Trek Marlin 6 is still quite large.
First of all, the Trek 820 is a steel frame, which is a bit heavier. And the detailing on the frame Trek Marlin 6 is clean internal alignment.
Next is the paint color, Trek 820 is only available in Matte Black paint color. The marlin 6 is available in 4 brighter colors.
The Trek 820’s alloy cable brakes need to be upgraded to the Trek Marlin 6’s hydraulic disc brakes, which cost a minimum of $100. But such a comparison only shows that the Trek 820 is less capable than the Trek Marlin 6.
But for commuting or simple mountain riding, the difference between these two mountain bikes is not particularly significant, but for those who want to upgrade from beginners to intermediate mountain riders, the Marlin 6 would be a better choice.
Trek Marlin 5 vs 6
The Trek Marlin 5 and Trek Marlin 6 are compared in more detail in the Trek Marlin 5 review.
Here is a brief description. Trek Marlin 5 and 6 have very much the same configuration. But the Trek Marlin 6 is equipped with a 1X10 drivetrain, so it is more suitable for beginners to master mountain riding. Of course, Trek Marlin 5 has XXS-13.5″ frame and 26″ small tire option. More suitable for youth riding.
If you are choosing a suitable mountain bike for your child, you may want to consider the Trek Marlin 5. If you prefer an easier mountain riding bike, you can choose the Trek Marlin 6.
Trek Marlin 6 vs 7
The difference between the Trek Marlin 6 and 7 is very small, but it’s the little upgrades that make the Trek Marlin 7 the entry-level race mountain bike.
The difference between the two bikes is the fork. Trek Marlin 7 comes with a RockShox Judy fork (with locking mechanism), which is better at damping than the standard SR Suntour fork of the Marlin 6. And both the Trek Marlin 6 and 7 in the 2022 model year feature an upgraded Shimano Deore M5120 rear chainstay. This allows for a more forgiving shift.
Strictly speaking the Trek Marlin 6 vs 7 is still a big difference, especially the shock fork which is the core component. Because the higher-priced Trek Marlin 7 is a mountain bike that can be used for amateur enduro racing. The Marlin 6 is designed for beginner mountain bikers or commuter riders.
Learn more: 2023 Trek Marlin 7 Review – Great Value Versatile Hardtail Bike?
Final Verdict (4.6/5)
The Trek Marlin 6 is relatively easy to upgrade to an entry-level race mountain bike like the Trek Marlin 7 in terms of accessories. So it still has a much better price/performance ratio. The modest price tag and versatility make the Trek Marlin 6 not only a great commuter bike, but also a mountain bike for crushing trails. All in all, the Trek Marlin 6 is a great mountain bike to buy. We ended up giving it a rating of 4.6 out of 5.
So it still has a much better price/performance ratio. The modest price tag and versatility make the Trek Marlin 6 not only a great commuter bike, but also a mountain bike for crushing trails. All in all, the Trek Marlin 6 is a great mountain bike to buy. We ended up giving it a rating of 4.6 out of 5.Is the trek marlin 6 or 7 better? ›
The Trek Marlin 6 and Trek Marlin 7 are both 27.5″ / 29″ aluminum frame hardtail crosscountry bikes with upper mid-range components. The Marlin 6 has higher gearing, while the Marlin 7 has a better fork.Is Marlin 6 good for mountain biking? ›
I would even say the Marlin is the best entry level mountain bike on the market. You will quickly learn what's important to you on a mountain bike, and it should hold its value well when the time comes to upgrade. If budget is not a concern I would definitely not recommend the Marlin 6 as a first mountain bike.Does Marlin 6 have hydraulic brakes? ›
The Marlin 6 gives you upgrades that 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.What is the weight limit on Trek Marlin 6? ›
The 2022 Trek Marlin 6 will need a 31.6 mm dropper post. You can find droppers with travel ranging from 60-150mm.What is the difference between Trek Rail 7 and 9? ›
The Trek Rail 7 and Trek Rail 9 GX are both 29″ aluminum frame full suspension enduro e-bikes. The Rail 9 GX has better components and a better fork. Rail 7 Frame Protection kits available. Up to 95% coverage.Is a trek Marlin 6 any good? ›
Final Verdict (4.6/5)
The modest price tag and versatility make the Trek Marlin 6 not only a great commuter bike, but also a mountain bike for crushing trails. All in all, the Trek Marlin 6 is a great mountain bike to buy. We ended up giving it a rating of 4.6 out of 5.
What size mountain bike do I need if I'm 6 feet tall? Riders that measure 6' tall should ride a size L mountain bike frame. Some bikes use seat tube length instead of alpha sizing to measure their size. Look for a frame size marked between 19” to 20”.What is the disadvantage of hydraulic brake bike? ›
Cons of Hydraulic Disc Brakes:
Hydraulic bicycle brakes are relatively complex and therefore are difficult for an average biker to work on. They are quite expensive to replace even though they last much longer than the traditional braking system.
Trek Marlin 6 Bicycle Price in India
47.30 K in India.
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.How many speed is Trek Marlin 6? ›
Marlin 6 is a quality introductory cross-country mountain bike with front suspension, 24 speeds and a wide range of gearing for easier pedalling on climbs.Is Trek Marlin good for road? ›
Yes, the Trek Marlin 7 is a good road bike. It's a great option for anyone looking for a versatile bike that can handle both on and off-road riding. The Marlin 7 has a lightweight aluminum frame and suspension fork, making it easy to maneuver and control.How many speeds does a Trek Marlin 6 have? ›
Marlin 6 is a quality introductory cross country mountain bike with front suspension, 24 speeds, and a wide range of gearing for easier pedaling on climbs.Is Trek Marlin good for trails? ›
The ultra-versatile Marlin has long held the hearts of trail riders of all experience levels — and now it's better than ever. Revamped with more confidence-inspiring stability and true mountain bike performance, this trail bike is ready to tackle terrain from fast singletrack to rugged city commutes.What suspension does the Trek Marlin 6 have? ›
Marlin 6 is a quality introductory cross-country mountain bike with front suspension, 24 speeds and a wide range of gearing for easier pedalling on climbs. It's built in Trek's trail heritage, but also equipped with features like mounts for a rack and kickstand that make it a great choice for daily commuters.Is the Trek Rail worth it? ›
The latest generation Trek Rail continues to be one of the best handling full-powered e-MTBs we've tested. The cornerstone is its terrific suspension performance, which offers excellent small-bump sensitivity and grip with a responsive feel all the way throughout the travel.What is the difference between Trek and Specialized? ›
Trek bikes are known for being stable and comfortable, while Specialized bikes are more aggressive and fast. So if you're looking for a leisurely ride, Trek might be the way to go. But if you're looking to race or get some serious exercise, Specialized is probably a better bet.Does Trek use Shimano? ›
The tech you get. 820 has a strong steel frame, a reliable 21-speed Shimano drivetrain, semi-slick tires that roll well on pavement and trails, durable alloy wheels, and a suspension fork that takes the edge off bumps. Plus, it has mounts so you can accessorize with racks, fenders, lights, and more.
Marlin 6 has 24 speeds, a wide-range cassette so you can always find the right gear for your terrain, hydraulic disc brakes that feel smoother than mechanical disc brakes, and a 100mm suspension fork with a lockout feature—that's the same amount of travel favored by most cross country racers.What is the Trek Marlin designed for? ›
Both generations of Marlins are true mountain bikes aimed at the rider who wants a versatile hardtail capable of off-road singletrack or in-city missions.Is it better to get a bigger or smaller mountain bike frame? ›
If your arm span is longer than your height, go for a bigger frame. If it's shorter, get the smaller one. On a bigger bike, the reach to the handlebars will be longer. If you have proportionally longer arms, you are likely to feel more comfortable on a bigger frame.Is it better to size up or down for mountain bikes? ›
Choosing to go up or down a size depends on your personal riding style and body proportions. A bike with a longer reach will have a longer wheelbase. That makes it more stable, especially on high-speed descents. That's great for riders who like to plow through rather than pop over rough stuff on the trail.What bike reach is right for me? ›
“The stem shouldn't need to be super short or super long to make the bike fit you.” Ideally, you should look for a reach where your elbows bend slightly when your hands are on the hoods—without your spine flexing and bending to reach the bars—for a good road bike fit.Can a 6 foot person ride a 26 inch bike? ›
Is 26 inch bicycle suitable for 6 feet man? Yes, In general, men having a height of 6 feet can ride a bike with 26-inch wheels without difficulty. However, it is always recommended to choose the right size of bike that suits your height and weight for comfortable cycling.Which bike is best for my height 6 feet? ›
Adventure bikes are marked by a powerful engine, flexible suspension, high ground clearance and a sturdy design. All of these generally add up to a larger saddle height, configuring the bike to naturally be comfortable for tall people.What size bike does a 6 6 man need? ›
|Rider height||Suggested Frame Size|
|5'9″ – 6'0″||178-185 cm||17″ / 18″|
|6'0″ – 6'3″||185-193 cm||18″ / 19″|
|6'1″ – 6'6″||193-198 cm||19″ +|
Important Braking Considerations
Under 26,000 pounds, hydraulic systems make the most sense and are recommended. Over 33,000 pounds, air brakes are necessary to create the right amount of stopping power for heavy payloads. In the overlap though, between 26,000 and 33,000 pounds, one could go either way.
Disadvantages of electrical brakes
They only work while vehicle is moving. It means if we have to park vehicle on a road which has a slope than we have to use mechanical brake. Otherwise the vehicle will move downwards due to gravity.
When it comes down to performance, hydraulic disc brakes do better than mechanical disc brakes in every category. You will get better modulation with hydraulic disc brakes, increased stopping power, and less everyday wear and tear with hydraulic disc brakes as opposed to mechanical ones.How much is a Trek 6 Series? ›
The $1150 Trek 6 Series 6700 Hardtail.Is Marlin 6 a hardtail? ›
TREK Marlin 6 Gen 3 Hardtail Mountain Bike in Hex Blue to Deep Dark Blue. Checkout with free delivery. The Marlin 6 is the perfect ride for progressing your skills on the trails.Where is Trek Marlin made? ›
Most Trek bicycles are manufactured outside the United States, in countries including the Netherlands, Germany, Taiwan, and China.Is the Trek Marlin 6 tubeless ready? ›
Pedals:VP-536 nylon platform. Rims: Bontrager Kovee, double-wall, Tubeless Ready, 28-hole, 23 mm width, Presta valve.Does Trek make the best bikes? ›
Yes, Trek bikes are good. Trek bikes are made with high-quality materials and provide efficient performance for biking trails up to the most arduous mountain trails. Trek offers three types of bikes: Road, Mountain, and Hybrid Bikes.Are trail bikes OK for the road? ›
Can you ride your mountain bike on the road? Of course, you can, in fact, I highly recommend it and it has some great advantages. Even as a long term solution, it will be fine, but a road bike will always be much more efficient in the long run.What's the difference between a Trek Marlin 5 and 6? ›
The Trek Marlin 5, Trek Marlin 6, and Trek Marlin 8 are all aluminum frame hardtail crosscountry bikes. The Marlin 5 has 27.5″ / 26″ / 29″ aluminum wheels, the Marlin 6 has 29″ / 29″ aluminum wheels, and the Marlin 8 has 26″ / 27.5″ / 29″ aluminum wheels, better components, and a better fork.Is the Trek Marlin 7 worth buying? ›
Is Trek Marlin 7 a good bike? For the money you can't go wrong with this bike. It has a RockShox Judy fork with 100mm travel, (which is rated 2 out of 5 stars compared to all suspension forks on the market.) While it is powered by a 1 x 10 Deore, FSA groupset, (which is rated 3 out of 5 stars compared to all MTB's).What is Trek Marlin 7 best for? ›
Trek Marlin Mountain Bikes
If you're new to mountain biking but have lofty off-road goals, this bike is for you thanks to its upgraded suspension fork and wide-range 1x gear, among other performance-enhancing features that you will absolutely love.
The Trek Marlin 5, Trek Marlin 6, and Trek Marlin 7 are all aluminum frame hardtail crosscountry bikes. The Marlin 5 has 27.5″ / 26″ / 29″ aluminum wheels, the Marlin 6 has 29″ / 29″ aluminum wheels, and the Marlin 7 has 27.5″ / 29″ aluminum wheels, better components, and a better fork.Is the Trek Marlin 7 a fast bike? ›
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.Is Marlin 8 better than 7? ›
The Marlin 7 has 27.5″ / 29″ aluminum wheels and a bigger fork, while the Marlin 8 has 26″ / 27.5″ / 29″ aluminum wheels, better components, and a 1 × 12 drivetrain providing a wider range of gears. Marlin 7 Frame Protection kits available. Up to 95% coverage.What type is Trek Marlin 6? ›
The 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.What is the difference between the Marlin 6 and 8? ›
The Trek Marlin 6 and Trek Marlin 8 are both aluminum frame hardtail crosscountry bikes. The Marlin 6 has 29″ / 29″ aluminum wheels, a bigger fork, and higher gearing; while the Marlin 8 has 26″ / 27.5″ / 29″ aluminum wheels, better components, and a better fork.How many gears does Marlin 6 have? ›
Marlin 6 has 24 speeds, a wide-range cassette so you can always find the right gear for your terrain, hydraulic disc brakes that feel smoother than mechanical disc brakes, and a 100mm suspension fork with a lockout feature—that's the same amount of travel favored by most cross country racers.What is Trek Marlin for? ›
Perfect for anyone who wants to start mountain biking. This kit revolves around a dropper seatpost.Are all Trek Marlin frames the same? ›
Fit for every rider. 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.What is the easiest speed on a bike? ›
Low Gear = Easy = Good for Climbing: The “low” gear on your bike is the smallest chain ring in the front and the largest cog on your cassette (rear gears). In this position, the pedaling will be the easiest and you'll be able to pedal uphill with the smallest amount of resistance.