Trek Rail 9.9 CXR Gen 4

Frameset

• 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
• 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
• Motor

  Bosch Performance Line CX Race Edition, smart system, magnesium motor body, 85 Nm, 20 mph or 32 km/h max assist (25 km/h max assist in EU and APAC)
• Battery

  Size: S, Bosch PowerTube 625Wh, smart system; Size: M, L, XL, Bosch PowerTube 750Wh, smart system

Wheels

• Wheels

  Front: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle
  Rear: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle
• Wheel Size

  29"
• Tires

  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''

Drivetrain

• Chain

  Shimano Dura-Ace/XTR M9100, 12 speed
• Crank

  E*thirteen E*spec Race carbon, 34T, 165mm length
• Bottom Bracket

  Bosch, press-fit
• Rear Derailleur

  Shimano XTR M9100, Shadow Plus, long cage, 51T max cog
• Shifters

  Shimano XTR M9100, 12 speed

Components

• Brakeset

  Shimano XTR M9120 4-piston hydraulic disc
• Handlebar

  Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width
• Saddle

  Bontrager Arvada, austenite rails, 138mm width
• Seatpost

  Size: S, Bontrager Line Elite Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 345mm length; Size: M, Bontrager Line Elite Dropper, 150mm travel, MaxFlow, internal routing, 34.9mm, 440mm length; Size: L, Bontrager Line Elite Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 485mm length; Size: XL, Bontrager Line Elite Dropper, 200mm travel, MaxFlow, internal routing, 34.9mm, 550mm length
• Stem

  Bontrager Line Pro, 35mm, Knock Block, Blendr compatible, 0 degree, 45mm length
• Grips

  Bontrager XR Trail Elite, nylon lock-on