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"It didn’t take much time in the saddle to notice the easy-to-ride characteristics of the Rail and it felt completely at home wherever I took it. In tight and techy trail sections, it has a very precise feel to its steering. At speed on flow trails, the Rail is a stable beast of a bike with incredible suspension that effectively cushions just about anything in its path."
Read moreWatch Rob Rides EMTB put the new Rail with smart system through its paces both on and off the trail, and find out why he liked it so much that he had to have one!
Watch the video"Indeed the way it manages to balance big-hit compliance while still giving good pop is mighty impressive. Along with its stout chassis, long wheelbase and burly build kit, the Rail is capable of monster trucking its way down some pretty gnarly descents [...] the Bosch Performance CX Line motor is another key component to the Trek Rail’s all-round performance. In our experience, this is the best full-powered motor out there."
Read more"My first thought about the Rail 9.9 is how it resembles a new school American muscle car, with a ton of carbon fiber and lots of digitally integrated sensors, and as always, more power than its predecessor [...] If there was ever a bike that was ready for anything, the new generation of the Trek Rail 9.9 would be it."
Read moreIt was a close competition, but not much could match the Rail on every type of terrain. The Bosch system will get you up any trail and the geometry is as close to perfect as we have found for all-around riding.
Read more"Rail dominates the descents and flattens the climbs…it’s every bit as potent as the Slash, but with its own built-in uplift."
Read more"Whether flowing or technical, it literally glides by the competition like it's on rails while also offering plenty of comfort for long days in the saddle."
Read more"One of the best all-rounders in the test. This tuxedo-looking bike symbolizes class and intention with a big win on battery life."
Read moreGo Rail Gen 4 for minimalist smart system compatibility, Gen 3 for smart system with visible control at the bars, or Gen 2 for a legacy Bosch system that saves your wallet.
Learn moreElectric bike rebate programs are popping up all over the country, meaning you could save big when you buy a Trek e-bike! See if you're eligible for a rebate near you.
Learn moreTime to bust out the repair stand for some maintenance? Find a detailed breakdown of your bike with part numbers, torque values, and platform-specific tech instructions below.
Get it hereWhen it comes to being a better trail rider, practice makes perfect. Get seven tips from Pinkbike’s Christina Chappetta that will have you setting PR's and riding with more confidence in no time.
Read moreWith just one week to road trip through British Columbia, two Trek big mountain riders decided to think outside the box.
Watch the videoBosch Performance Line CX sets the standard for eMTB performance with up to 85Nm of torque and an intelligent eMTB mode with Extended Boost that automatically adjusts the amount of assist based on the terrain.
RIB is a one-piece battery and cover with a built-in handle that can easily be removed and re-installed in the frame with no tools and no hassle. It’s the most convenient way to remove your battery for transport, security, or just easier charging.
The compact, ergonomic Mini Remote lets you easily change assist level, activate Walk mode, or turn on optional lights, all without moving your hand off the handlebar. Plus, it's wireless and connects with your System Controller via Bluetooth
SRAM Eagle T-Type transmission mounts directly to the frame, skipping that pesky derailleur hanger of yesteryear. This makes for a more robust system that's not only cleaner looking, it's also more precise under load, and easier to set up.
The System Controller gives you a quick overview of your assist mode and battery level without distracting you from the ride. It's integrated into the top tube so it's out of the way but still easy to see with LED indicators. It also connects to the eBike Flow app via Bluetooth for accessing ride stats and performing system updates.
TyreWiz monitors your tire pressure while AirWiz monitors your fork and shock pressure. Set your desired pressure in the SRAM AXS app and then just check the lights before each ride—red means you need a pump, green means go ride.
Active Braking Pivot allows our engineers to tune how the suspension reacts to acceleration and braking forces independently. That means you get more confident control when you need it most.
The new eBike Flow app turns your ride into a personalized experience. Use it to customize your motor's assist behavior, track your ride stats, and integrate your data with apps like Strava and Apple Health. There's even handy features like navigation and service reminders.
Learn how we ensure our e-bikes meet or exceed the latest safety regulations
Learn morePedals are two of the five touchpoints that connect you with your bike, and even though this bike comes with a pair, upgrading to pedals that boost control and grip will greatly improve your ride. See the pedal guide and find the best pedals for your riding style. We recommend flat pedals for simple versatility.
See the guideThis suspension calculator will help you optimize your suspension settings for your riding weight. Simply follow the steps to find your best set up.
Learn moreTubeless Ready rims and tires make it easy to ditch the tubes so you get better traction, fewer flats, and less weight. You're ready to roll right out of the box with the included TLR rim strips, valves, and sealant.
Learn moreEvery set of Bontrager carbon wheels is backed by the Carbon Care Wheel Loyalty Program. In the unlikely event that you damage your Bontrager carbon wheels within the first two years of ownership, we’ll repair or replace them for free.
Bosch's biggest battery for your biggest rides. PowerTube 750 delivers 20% more range and a long service life.
You've got one less detail to sweat with the integrated speed sensor. The chainstay-mounted sensor stays protected while the custom hub-mounted magnet stays secure—no more error codes from mis-aligned sensors.
Enjoy precise, lightning fast gear changes—even when shifting under load—with Eagle AXS wireless electronic drivetrains. They're water- and dust-proof, and the AXS App makes it easy to personalize your settings.
Bigger is better. The oversized seat tube diameter gives more support and strength for longer travel droppers, and allows for more robust, durable internals that work faster.
Fine tune head tube angle by 1/2° and BB height by up to 10mm with the simple turn of a nut. Just flip the link to choose between slack or slacker geometry, without negatively affecting suspension performance. A Trek exclusive.
Frame | OCLV Mountain Carbon main frame, 1.8'' lower head tube, Bosch System Controller compatible, Removable Integrated Battery (RIB), Knock Block 2.0, guided internal routing, 34.9mm seat tube, magnesium rocker link, Motor Armor, Mino Link, ABP, Boost148, 12mm thru axle, 150mm travel |
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Fork | RockShox ZEB Ultimate, AirWiz, DebonAir spring, Charger 3 RC2 damper, 1.8'' oversized tapered steerer, eMTB optimized crown, 44mm offset, Boost110, 15mm Maxle Stealth, 160mm travel |
Shock | RockShox Super Deluxe Thru Shaft, AirWiz, 230mm x 57.5mm |
Max compatible fork travel | 170mm (580mm axle-to-crown) |
Wheel front | Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29'' |
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Wheel rear | Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12mm thru axle, 29'' |
Skewer rear | Bontrager Switch thru axle, removable lever |
*Tire |
Size:
S, M, L, XL Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50'' |
Size:
S, M, L, XL Bontrager SE6 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50'' |
|
*Tire part |
Size:
S, M, L, XL Bontrager TLR sealant, 6oz |
Size:
S, M, L, XL Quarq TyreWiz tire pressure monitors |
|
Rim strip | Bontrager TLR |
Max tire size | Frame: 29x2.60", Fork: See manufacturer |
*Battery |
Size:
S Bosch PowerTube 625Wh, smart system |
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Size:
S, M, L, XL SRAM eTap battery pack (with charger) |
|
Size:
M, L, XL Bosch PowerTube 750Wh, smart system |
|
Charger | Bosch standard 4A, 110V, smart system |
Controller | Bosch System Controller BRC3100, smart system |
Motor | Bosch Performance Line CX, smart system, magnesium motor body, 85 Nm |
Shifter | SRAM AXS POD Ultimate, paired with dropper |
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Rear derailleur | SRAM X0 Eagle AXS, T-Type |
Crank | SRAM X0 Eagle, 160mm length |
Chainring | SRAM XX T-Type, 34T, steel |
Cassette | SRAM Eagle XS-1295, T-Type, 10-52, 12 speed |
Chain | SRAM X0 Eagle, T-Type, 12 speed |
Pedal | VP-536 nylon platform |
Max chainring size | 1x: 34T |
Saddle | Bontrager Arvada, austenite rails, 138mm width |
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*Seatpost |
Size:
S RockShox Reverb AXS, 100mm travel, wireless, 34.9mm, 340mm length |
Size:
M RockShox Reverb AXS, 150mm travel, wireless, 34.9mm, 440mm length |
|
Size:
L, XL RockShox Reverb AXS, 170mm travel, wireless, 34.9mm, 480mm length |
|
Handlebar/stem (integrated) | Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5mm handlebar rise, 820mm width, 0 degree stem rise, 45mm stem length |
Grips | Bontrager XR Trail Elite, nylon lock-on |
Brake | SRAM Code Silver 4-piston hydraulic disc |
*Brake rotor |
Size:
S, M, L, XL SRAM 6-bolt, 200mm |
Size:
S, M, L, XL SRAM HS2, 6-bolt, 220mm |
|
Rotor size | Max brake rotor sizes - Frame: 200mm, Fork: see fork manufacturer |
Weight | M - 23.93 kg / 52.76 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 300 pounds (136 kg). |