Bike Comparison
    MSRP
    $11,499
    Where to Buy
    $1

    At

    Category
    Enduro, E-Bike
    Weight
    46.9 lbs
    8.4
    Carbon
    Fork
    RockShox Lyrik Ultimate
    Shock
    RockShox Deluxe RT3
    Wheels
    Carbon
    29″
    Brakes
    Hydraulic Disc
    Bosch 250W 75Nm mid-drive
    Bosch 625Wh
    Groupset
    XTR, e*thirteen
    Drivetrain
    1 × 12
    Suspension
    Full
    Front Travel
    160mm
    Rear Travel
    150mm
    Brand Site

    trekbikes.com

    Summary
    The Trek Rail 9.9 XTR is a 29″ carbon frame full suspension enduro e-bike with ultra high-end components.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    Rail 9.9 XTR
    Other Enduro bikes
    Gear Range

    A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

    Lowest gear

    (climbing)

    13 mph

    Rail 9.9 XTR

    Highest gear

    (descending)

    Spec Level

    Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

    Geometry
    Specs
    Frame

    OCLV 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

    Tire Clearance2.6"

    Fork

    RockShox Lyrik Ultimate, DebonAir spring, Charger 2.1 RC2 damper, e-MTB optimized, tapered steerer, 42mm offset, Boost110, 15mm Maxle Stealth, 160mm travel

    Shock

    RockShox Deluxe RT3, DebonAir spring, RE:aktiv w/Thru Shaft damper, 230x57.5mm

    Headset

    Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom

    Stem

    Bontrager Line Pro, 35mm, Knock Block, 0 degree, 50mm length

    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, internal routing, 31.6mm, 340mm length; Size: M, Bontrager Line Elite Dropper, 150mm travel, internal routing, 31.6mm, 440mm length; Size: L, XL, Bontrager Line Elite Dropper, 170mm travel, internal routing, 31.6mm, 480mm length

    Pedals

    VP-536 nylon platform

    Grips

    Bontrager XR Trail Elite, alloy lock-on

    Groupset
    Rear Derailleur

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

    Crank

    E*thirteen E*spec Race carbon, 15T, 165mm length

    Shifters

    Shimano XTR M9100, 12 speed

    Cassette

    Shimano XTR M9100, 10-51, 12 speed

    Chain

    Shimano XTR M9100, 12 speed

    Brakes

    Shimano XTR M9120 4-piston hydraulic disc

    Wheels
    Rims

    Front: Bontrager Line Carbon 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, Rear: Bontrager Line Carbon 30, Tubeless Ready, 54T Rapid Drive, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle

    Rear Hub

    Bontrager alloy, sealed bearing, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle

    Tires

    Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewall, aramid bead, 60 tpi, 29x2.60''

    Disc Rotors

    Shimano RT86, 203mm, 6-bolt

    Electric Components
    Motor

    Bosch Performance CX, magnesium motor body, 250 watt, 75 Nm, 20mph or 32km/h max assist

    Battery

    Bosch PowerTube 625

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