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"I like it so much that I bought one"
Watch 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!
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"One of the best"
"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."
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"Trek has really gone all out with this bike"
"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."
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Best in Class winner!
It 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.
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"Our e-bike of the Year"
"Rail dominates the descents and flattens the climbs…it’s every bit as potent as the Slash, but with its own built-in uplift."
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"Sets the bar"
"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."
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"E-MTB dominance"
"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 moreMore options
Which generation is right for you?
Go 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 moreService manual
Time 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 hereHow to responsibly recycle your e-bike battery
Learn moreGet faster on the trail in a week
When 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 moreMinimum days, maximum fun
With just one week to road trip through British Columbia, two Trek big mountain riders decided to think outside the box.
Watch the videoProduct features
Bosch smart system
The new Bosch smart system gives you an eMTB that's more connected than ever. The new LED remote connects with the new Bosch eBike Flow app via Bluetooth. You get tons of useful features at your fingers, and over-the-air system upgrades.
Bosch eBike Flow app
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.
Removable Integrated Battery
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.
RockShox AirWiz and Quarq TireWiz
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.
RockShox Super Deluxe with Thru Shaft
With the all-new RockShox Super Deluxe Ultimate Thru Shaft, you get the most refined shock on the market, with an updated air spring and an exclusive Thru Shaft damper that gives you tenacious grip, plush control, and the support you need for ripping rough descents all day.
What is the range?
To see how far you can ride your electric mountain bike on a single charge, check out Bosch’s range calculator. We’ve auto-filled the variables for this bike model and the average rider, but you can make adjustments to get your most accurate estimate.
Compliant with leading safety regulations
Learn how we ensure our e-bikes meet or exceed the latest safety regulations
Learn moreSuspension Calculator
This suspension calculator will help you optimize your suspension settings for your riding weight. Simply follow the steps to find your best set up.
Learn moreComplete Tubeless System
Tubeless 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 moreCarbon Care Wheel Loyalty Programme
Every set of Bontrager carbon wheels is backed by the Carbon Care Wheel Loyalty Programme. 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.
Integrated speed sensor
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.
Mino Link adjustable geometry
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.
Knock Block
Knock Block has your frame's back when things go wrong. It prevents your handlebars from spinning all the way around in a crash, so your hoses won't get yanked, and your controls won't hit the top tube.
Learn moreABP
Our patented Active Braking Pivot allows your suspension to work freely whether you’re on the brakes or off. It’s smooth, controlled suspension that’s at its best all the time.
Learn moreBosch Kiox 300 display
The Bosch Kiox 300 is tough, compact, and easy to read with a full-color display. Keep ride data right where you can see it including rider power, motor output, speed, remaining range, and more!
Oversized 34.9mm dropper post
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.
Bosch PowerTube 750
Bosch's biggest battery for your biggest rides. PowerTube 750 delivers 20% more range and a long service life.
Easier internal routing
Integrated channels in the frame make it super easy to route cable housing and brake hose so you get a clean set-up with no hassle.
Watch the video| Frame | NEW OCLV Mountain Carbon main frame, 1.8" lower head tube, 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 |
|---|---|
| Fork | RockShox ZEB Ultimate, AirWiz, DebonAir spring, Charger 2.1 RC2 damper, e-MTB optimzed crown, tapered steerer, 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'' |
|---|---|
| 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:
M, L, XL Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50" |
|
Size:
M, L, XL Bontrager SE6 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50" |
|
| *Tire part |
Size:
M, L, XL Bontrager TLR sealant, 180 ml/6 oz |
|
Size:
M, L, XL Quarq TyreWiz tire pressure monitors |
|
| Rim strip | Bontrager TLR |
| Max tire size | Frame: 29x2.60", Fork: See manufacturer |
| Battery | Bosch PowerTube 750Wh, smart system |
|---|---|
| Charger | Bosch standard 4A, 230V, smart system |
| *Computer |
Size:
M, L, XL Bosch Kiox 300, smart system |
|
Size:
M, L, XL Bosch LED remote, smart system |
|
| Motor | Bosch Performance Line CX, smart system, magnesium motor body, 85 Nm |
| Shifter | SRAM Eagle AXS, wireless, 12 speed |
|---|---|
| Rear derailleur | SRAM XX1 Eagle AXS |
| Crank | E*thirteen E*spec Race carbon, 165mm length |
| Chain ring | SRAM X-SYNC 2, 34T, alloy |
| Cassette | SRAM Eagle XG-1299, 10-52, 12 speed |
| Chain | SRAM XX1 Eagle, 12 speed |
| Pedal | VP-536 nylon platform |
| Max chainring size | 1x: 34T |
| Saddle | Bontrager Arvada, austenite rails, 138mm width |
|---|---|
| *Seatpost |
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 | Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width |
| Grips | Bontrager XR Trail Elite, nylon lock-on |
| Stem | Bontrager Line Pro, 35mm, Blendr compatible, 0 degree, 45mm length |
| Headset | Knock Block Integrated, cartridge bearing, 1-1/8'' top, 1.8'' bottom |
| Brake | SRAM Code RSC hydraulic disc |
| *Brake rotor |
Size:
M, L, XL SRAM CenterLine, 6-bolt, round edge, 220mm |
|
Size:
M, L, XL SRAM CenterLine, 6-bolt, round edge, 200mm |
| Weight | M - 22.54 kg / 49.7 lbs (with TLR sealant, no tubes) |
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg). |