The Rail 9.9 is Trek's best long-travel electric mountain bike. You get an extra-beefy carbon frame, unbelievably smooth RockShox suspension, super-precise Shimano XTR drivetrain and a powerful Bosch Performance Line CX motor with an extra-long range battery and smart system, plus the new Mini Remote and System Controller display that sits flush with the top tube and pairs with the eBike Flow app to give you activity tracking, navigation and Bluetooth connectivity.

The Rail 9.9 is all about top-shelf tech. RockShox’s best enduro fork, Bosch’s biggest battery, the super-refined shifting of XTR, an updated frame and AirWiz pressure monitoring, plus Bosch’s latest tech with smart system.

You want to spare no expense on your e-MTB experience. You want the most adjustability, smoothest performance, longest range and most high-tech electric assist you can get. You love customisation and want all the cool features of the Bosch smart system.

An upgraded OCLV Mountain Carbon frame with longer reach and oversized head tube and seat tube for maximum strength. An extra-long-range 750 Wh battery, ultra-adjustable RockShox ZEB Ultimate fork, RockShox Super Deluxe Ultimate Thru Shaft shock and ultra-responsive Shimano XTR 1x12 drivetrain. You get Bosch’s smart system Performance Line CX with a new Mini Remote and Bluetooth® System Controller display that’s integrated into the top tube.

Key Features & Benefits:

  • Bosch Performance CX motor:With smart system, perfect for tackling the climbs.
  • Intelligent e-MTB mode:Automatically delivers the right amount of power based on your terrain.
  • Shimano XTR 1x12 Drivetrain:Simplicity combined with a wide gear ratio.

Full Specifications:

  • 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, 34.9 mm seat tube, magnesium rocker link, Motor Armour, Mino Link, ABP, Boost148, 12 mm thru-axle, 150 mm travel
  • Fork:RockShox ZEB Ultimate, AirWiz, DebonAir spring, Charger 3 RC2 damper, 1.8" oversized tapered steerer, eMTB optimised crown, 44 mm offset, Boost110, 15 mm Maxle Stealth, 160 mm travel
  • Rear Shock:RockShox Super Deluxe Ultimate RT, 230mm x 57.5mm
  • Motor:Bosch Performance Line CX, smart system, magnesium motor body, 85 Nm, 15.5 mph max assist
  • Battery:Bosch PowerTube 625, smart system (Size S), Bosch PowerTube 750Wh, smart system (Size M, L, XL)
  • Controller:Bosch System Controller BRC3100, smart system or Bosch Mini Remote BRC3300, smart system, 22.2 mm
  • Charger:Bosch standard 4A Charger, 230V, smart system
  • Number of Gears:12
  • Gear Shifters:Shimano XTR M9100, 12 speed
  • Chainset:FE*thirteen E*spec Race carbon, 34T, 165 mm length
  • Chainrings:34T
  • Rear Cassette:Shimano XTR M9101, 10-51, 12-speed
  • Chain:Shimano Dura-Ace/XTR M9100, 12 speed
  • Front Derailleur:N/A
  • Rear Derailleur:Shimano XTR M9100, Shadow Plus, long cage, 51-T max cog
  • Pedals:Wellgo VPE-536
  • Rims:Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless-Ready
  • Front Wheel:Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless-Ready, 6-bolt, Boost110, 15 mm thru-axle
  • Rear Wheel:Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost 148, 12 mm thru axle
  • Front Tyre:Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50"
  • Rear Tyre:Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50"
  • Brakes:Shimano XTR M9120 4-piston hydraulic disc
  • Handlebars:Bontrager Line Pro, OCLV Carbon, 35 mm, 27.5 mm rise, 780 mm width
  • Grips:Bontrager XT Trail Elite, nylon lock-on
  • Stem:Bontrager Line Pro, 35 mm, Knock Block, Blendr-compatible, 0-degree, 45 mm length
  • Saddle:Bontrager Arvada, austenite rails, 138 mm width
  • Seatpost:Bontrager Line Elite Dropper, 100 mm - 200 mm travel, MaxFlow, internal routing, 34.9 mm, 345 mm - 550 mm length, size dependent
  • Weight:M - 22.95 kg / 50.6 lbs
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Trek Rail 9.9 XTR Gen 4 Full Suspension Electric Mountain Bike 2023
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10650.00
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    How it works: Pay in 12 Instalments
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