Bike Comparison
    MSRP
    $8,999
    Where to Buy
    $1

    At

    Category
    Trail
    Weight
    24.2 lbs
    8.5
    Carbon
    Fork
    Fox Factory Float 34
    Shock
    Fox Float DPS Factory
    Wheels
    Carbon
    29″
    Brakes
    Hydraulic Disc
    Groupset
    XTR
    Drivetrain
    1 × 12
    Suspension
    Full
    Front Travel
    120mm
    Rear Travel
    115mm
    Brand Site

    trekbikes.com

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

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    Top Fuel 9.9 XTR
    Other Trail 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)

    28 mph

    Top Fuel 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
    Fork

    Fox Factory 34 Step-Cast, Float EVOL air spring, FIT4 2-position damper, dual remote lockout, tapered steerer, 44 mm offset, Kashima Coat, Boost110, 15 mm Kabolt axle, 120mm travel

    Travel120mm

    Spring TypeAir

    Shock

    Fox Factory Float, 2-position DPS damper, Kashima Coat, 190x45 mm

    Bottom Bracket

    Shimano MT500, 92 mm, PressFit

    Headset

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

    Stem

    Size: S, M, Bontrager Kovee Pro, 35 mm, Knock Block, Blendr-compatible, 13-degree, 60 mm length; Size: M/L, L, XL, Bontrager Kovee Pro, 35 mm, Knock Block, Blendr-compatible, 13-degree, 70 mm length

    Handlebar

    Bontrager Line Pro, OCLV Carbon, 35 mm, 15 mm rise, 750 mm width

    Saddle

    Bontrager Montrose Pro, 7x10 mm carbon rails, 138 mm width

    Seatpost

    Size: S, Bontrager Line Elite Dropper, 100 mm travel, internal routing, 31.6 mm, 340 mm length; Size: M, M/L, Bontrager Line Elite Dropper, 150mm travel, internal routing, 31.6 mm, 440mm length; Size: L, XL, Bontrager Line Elite Dropper, 170mm travel, internal routing, 31.6 mm, 480mm length

    Grips

    Bontrager XR Trail Elite, alloy lock-on

    Groupset
    Rear Derailleur

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

    Crank

    Size: S, Shimano XTR M9120, 32T alloy ring, Boost, 52 mm chain line, 170 mm length; Size: M, M/L, L, XL, Shimano XTR M9120, 32T alloy ring, Boost, 52 mm chain line, 175 mm length

    Shifters

    Shimano XTR M9100, 12-speed

    Cassette

    Shimano XTR M9100, 10-51, 12-speed

    Chain

    Shimano Dura-Ace/XTR M9100, 12-speed

    Brakes

    Shimano XTR M9100 hydraulic disc

    Wheels
    Rims

    Front: Bontrager Kovee Pro 30 carbon, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, Rear: Bontrager Kovee Pro 30 carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12 mm thru axle

    Tires

    Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29 x 2.40"

    Disc Rotors

    Size: S, M, M/L, L, XL, Shimano RT86, 6-bolt, 160 mm; Size: S, M, M/L, L, XL, Shimano RT86, 6-bolt, 180 mm

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