Rail 9.9 is a long-travel electric mountain bike built for ultimate trail performance. The light OCLV Mountain Carbon frame features an awesome RockShox suspension set-up, the latest wireless electronic drivetrain tech and the best e-MTB drive system on the market. It'll shred right alongside the enduro crowd, but the best part is that you'll always beat them up the climbs and get in the most runs.
It's right for you if...
You’re looking for a seriously capable long-travel carbon e-MTB and you want nothing but the best. Your bike better have wireless electronic components, a high-end suspension set-up and a powerful Bosch system that’ll fly up grinders in a flash.
The tech you get
A light and durable OCLV Mountain Carbon main frame with carbon stays that fully encases a 625 Wh battery for sleek looks and protection on the trail, a 160 mm RockShox Lyrik Ultimate fork with Charger 2 RC2 damper, 150 mm of rear travel with a RockShox Deluxe RT3 shock with Trek's RE:aktiv with Thru Shaft damper, a powerful new Bosch Performance Line CX 250 W motor that assists up to 25 km/h and a Kiox controller. A 1x12 SRAM X01 Eagle AXS drivetrain, RockShox Reverb AXS dropper post, Shimano XT 4-piston brakes, a carbon handlebar and Bontrager Line Carbon 30 29er wheels with Bontrager SE5 Team Issue tyres.
The final word
Rail 9.9 is all about top performance tech. The latest wireless electronic components, RockShox's best enduro fork, Bosch's most powerful battery and full-colour controller. Plus, the light OCLV Mountain carbon frame is trimmed with lots of carbon parts, including the wheels and crank.
Why you'll love it
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
The full-colour Kiox controller displays ride info, connects with your Bluetooth-enabled devices and has a built-in theft prevention feature
RE:aktiv with Thru Shaft works faster than a normal shock, so it tracks the ground better and keeps you in control
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
The SRAM X01 Eagle AXS drive train is smart, smooth and completely wireless
Features
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.
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.
Specifications
Frameset
Frame
OCLV Mountain Carbon main frame and stays, 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 Lyrik Ultimate, DebonAir spring, Charger 2 RC2 damper, e-MTB optimised, tapered steerer, 42 mm offset, Boost110, 15 mm Maxle Stealth, 160 mm travel
Rear suspension
RockShox Deluxe RT3, DebonAir spring, RE:aktiv w/Thru Shaft damper, 230x57.5 mm
Wheels
Wheels
Bontrager Line Carbon 30, Tubeless Ready, 6-bolt, Boost110 front, Boost148 rear
Tyres
Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewall, aramid bead, 60 tpi, 29x2.60"
Drivetrain
Shifters
SRAM Eagle AXS, wireless, 12-
Rear derailleur
SRAM X01 Eagle AXS
Crank
E*thirteen E*spec Race carbon, 34T
Cassette
SRAM PG-1230 Eagle, 11-50, 12-speed
Pedals
VP-536 nylon platform
Components
Saddle
Bontrager Arvada, austenite rails, 138 mm width
Seatpost
RockShox Reverb AXS, wireless, 31.6 mm
Handlebar
Bontrager Line Pro, OCLV Carbon, 35 mm, 27.5 mm rise
Grips
Bontrager XR Trail Comp, lock-on
Stem
Bontrager Line Pro, 35 mm, Knock Block, 0-degree
Head set
Knock Block Integrated, cartridge bearing, 1-1/8" top, 1.5" bottom
Brake set
Shimano XT M8120 4-piston hydraulic disc, 180 mm rotor
Accessories
Battery
Bosch PowerTube, 625 Wh
Controller
Bosch Kiox with Anti-theft solution
Motor
NEW Bosch Performance Line CX, 250 Watt, 75 Nm, magnesium body, 25 km/h max assist
Weight
Weight
M - 21.65 kg / 47.74 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).
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Bike and frame weights are based on Trek pre-production painted frames at the time of publication. Weights may vary in final production
Buy Trek Rail 9.9 X01 AXS EU 2020 Electric Mountain Bike online and collect from our Kings Lynn, Norwich or Gorleston electric bicycle shop