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Trek Rail 9 (2021) Factory Orange/Lithium Grey
Rail 9 is our top-of-the-line alloy electric mountain bike with long-travel suspension. It features a suspension set-up and parts worthy of the gnarliest enduro runs, and the powerful new Bosch drive system will get you back up the mountain faster than yo
Rail 9 is our top-of-the-line alloy electric mountain bike with long-travel suspension. It features a suspension set-up and parts worthy of the gnarliest enduro runs, and the powerful new Bosch drive system will get you back up the mountain faster than you ever thought possible.
It's right for you if...
You're looking for a long-travel e-MTB that gives you a serious power boost without holding you back from hitting the techy terrain and big drops you love. You prefer to drop your upgrade budget on a plush suspension set-up and killer parts than on a frame.
The tech you get
A burly alloy frame that fully encases a 625 Wh battery, a super responsive RockShox ZEB fork with extra-beefy 38 mm stanchions and loads of adjustability, a RockShox Super Deluxe Ultimate shock with an updated Thru Shaft damper, a Bosch Performance Line CX 250 W motor that assists up to 25 km/h, and a Kiox controller. A SRAM GX Eagle drive train with an extra-low 52-tooth climbing gear, downhill-rated 4-piston brakes for unflinching descents and Bontrager Line Comp 30 29er wheels with robust Bontrager SE5 Team Issue tyres that come completely tubeless-ready, including sealant.
The final word
Our top-shelf alloy Rail features major upgrades to the suspension, drive train, dropper and more. If you’re looking for an e-MTB that’s spec’d like our best long-travel trail bikes and shreds just as hard, look no further.
Why you'll love it
- RE:aktiv with Thru Shaft works faster than a normal shock, so it tracks the ground better and keeps you in control
- The full-colour Kiox controller displays ride info, connects with your Bluetooth® enabled devices and has a built-in theft prevention feature
- The new, better-than-ever Bosch motor is smaller, lighter and more efficient. It feels more natural while you’re pedalling, and has less drag when you’re not
- Made with the same exclusive frame tech as Remedy and Slash, like Mino Link adjustable geometry, a Straight Shot down tube for extra stiffness and Active Braking Pivot (ABP)
- Trek's Removable Integrated Battery (RIB) system looks great and is super user-friendly: it fully hides the battery in the frame for protection, makes it easy remove the battery without tools and lets you mount a water bottle cage
New Bosch Performance Line CX
The all-new Bosch Performance Line CX motor is lighter, smaller and quieter than previous versions, for cleaner integration and more nimble handling. It’s also more efficient so you can go further on a single battery charge. Use the intelligent eMTB mode to automatically adjust the amount of assist to match the terrain. It’s a set-and-forget mode that delivers just the right amount of power so you can focus on enjoying the ride.
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.
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.
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.
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.
*spec applies to all sizes unless otherwise noted
|Frame||Alpha Platinum Aluminium, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, magnesium rocker link, Motor Armour, Mino Link, ABP, Boost148, 12 mm thru axle, 150 mm travel|
|Fork||RockShox ZEB Select+, DebonAir spring, Charger 2.1 RC damper, eMTB optimised crown, tapered steerer, 44 mm offset, Boost110, 15 mm Maxle Stealth, 160 mm travel|
|Shock||NEW RockShox Super Deluxe Ultimate RT3, DebonAir spring, Thru Shaft 3-position damper, 230x57.5 mm|
|Front wheel||Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle|
|Rear wheel||Bontrager Line Comp 30, Tubeless Ready, 6-bolt, 54T Rapid Drive, SRAM XD driver, Boost148, 12 mm thru axle|
|Rear skewer||Bontrager Switch thru axle|
|Tyre||Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewall, aramid bead, 60 tpi, 29x2.60"|
|Shifter||Shimano GX Eagle, 12-speed|
|Rear derailleur||SRAM GX Eagle|
|Crank||SRAM X1 1000, 36T, 165 mm length|
|Cassette||SRAM Eagle XG-1275, 10-52, 12-speed|
|Chain||SRAM GX Eagle, 12-speed|
|Pedal||VP-536 nylon platform|
|Saddle||Bontrager Arvada, hollow chromoly rails, 138 mm width|
Bontrager Line Elite Dropper, 100 mm travel, internal routing, 31.6 mm, 340 mm length
Bontrager Line Elite Dropper, 150mm travel, internal routing, 31.6 mm, 440mm length
|Size: L, XL
Bontrager Line Elite Dropper, 170mm travel, internal routing, 31.6 mm, 480mm length
|Handlebar||Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width|
|Grips||Bontrager XR Trail Elite, alloy lock-on|
|Stem||Bontrager Line, 35 mm, Knock Block, 0-degree, 50 mm length|
|Head set||Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8" top, 1.5" bottom|
|Brake||SRAM Code R hydraulic disc|
|Brake rotor||SRAM CenterLine, 6-bolt, round-edge, 200 mm|
|Battery||Bosch PowerTube 625|
|Charger||Bosch standard 4A (220-240 V) charger|
|Controller||Bosch Kiox with Anti-theft solution|
|Motor||Bosch Performance CX, magnesium motor body, 250 watt, 75 Nm, 20 mph (25 km/h in Europe) max assist|
|Weight||M - 24.04 kg / 53.00 lbs (with tubes)|
|Weight limit||This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).|