2021 Trek Rail 9.9 XTR

The 2021 Trek Rail 9.9 XTR is a 29″ carbon frame full suspension enduro e-bike with ultra high-end components.

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2021 Trek Rail 9.9 XTR
  • MSRP $11,499
  • Weight 47.9 lbs / 21.7 kg
  • Suspension Full
  • Front Travel 170mm
  • Rear Travel 150mm
  • Frame Carbon
  • Fork RockShox Zeb
  • Wheels 29″ Carbon
  • Groupset XTR
  • Motor Bosch 250W 75Nm
  • Battery Bosch 625Wh
  • Brakes Hydraulic Disc
  • Seatpost Dropper post

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Estimated Spec Level

Estimated spec level of the Rail 9.9 XTR compared to other enduro bikes. 99 Spokes analyzes the build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more to estimate the overall spec level of each bike.

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est. spec level →$0$2,000$4,000$6,000$8,000$10,000$12,000
This bike
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Reviews

Geometry

Specs
Build
FrameOCLV Mountain Carbon main frame, Removable Integrated Battery (RIB), tapered head tube, Knock Block, Control Freak internal routing, magnesium rocker link, Motor Armor, Mino Link, ABP, Boost148, 12mm thru axle, 150mm travel
ForkRockShox ZEB Ultimate, DebonAir spring, Charger 2.1 RC2 damper, e-MTB optimzed crown, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 170mm travel
Rear ShockNEW RockShox Super Deluxe Ultimate RT3, DebonAir spring, Thru Shaft 3-position damper, 230x57.5mm
HeadsetKnock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom
StemBontrager Line Pro, 35mm, Knock Block, Blendr compatible, 0 degree, 45mm length
HandlebarBontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width
SaddleBontrager Arvada, austenite rails, 138mm width
SeatpostBontrager Line Elite Dropper, 150mm travel, internal routing, 31.6mm, 440mm length
GripsBontrager XR Trail Elite, alloy lock-on
Groupset
Rear DerailleurShimano XTR M9100, Shadow Plus, long cage, 51T max cog
ShiftersShimano XTR M9100, 12 speed
CassetteShimano XTR M9100, 10-51, 12 speed
ChainShimano XTR M9100, 12 speed
BrakesShimano XTR M9120 4-piston hydraulic disc
Wheels
RimsNEW Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle
TiresBontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewall, aramid bead, 60 tpi, 29x2.60''
Disk RotorsShimano RT86, 203mm, 6-bolt
Electric Components
MotorBosch Performance CX, magnesium motor body, 250 watt, 75 Nm, 20mph or 32km/h max assist
BatteryBosch PowerTube 625
ChargerBosch standard 4A (100-240V) charger
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