Bike Comparison
    MSRP
    $8,499$8,500
    Where to Buy
    $1

    At

    $8,500

    At Specialized

    Category
    TrailTrail
    Weight
    24.9 lbs26.7 lbs
    8.4
    9.7
    CarbonCarbon
    Fork
    Fox Factory Float 34Fox Factory Float 34
    Shock
    Fox Float DPS FactoryFox Float X Factory
    Wheels
    CarbonCarbon
    29″29″
    Brakes
    Hydraulic DiscHydraulic Disc
    Groupset
    X01 EagleX0 Eagle Transmission, X01 Eagle AXS
    Drivetrain
    1 × 121 × 12 Electronic
    Suspension
    FullFull
    Front Travel
    120mm130mm
    Rear Travel
    115mm120mm
    Brand Site

    trekbikes.com

    specialized.com

    Summary
    The Trek Top Fuel 9.9 X01 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
    2021 Top Fuel 9.9 X01
    2024 Epic 8 EVO Pro
    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

    2021 Top Fuel 9.9 X01

    28 mph

    2024 Epic 8 EVO Pro

    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

    BB StandardBB86/BB92, Press Fit

    Tire Clearance2.4"

    ColorsCarbon Blue Smoke / Radioactive Coral; Matte Raw Carbon / Voodoo Trek Black; Gloss Red / Matte Carbon Smoke

    FACT 11m Carbon, Progressive XC Race Geometry, Rider-First Engineered™, SWAT downtube storage, threaded BB, 12x148mm UDH compatible rear dropout, internal cable routing, 120mm of travel

    BB StandardBB86/BB92, Press Fit

    Tire Clearance2.4"

    ColorsCarbon Blue Smoke / Radioactive Coral; Matte Raw Carbon / Voodoo Trek Black; Gloss Red / Matte Carbon Smoke

    Fork

    Size: S, M, M/L, L, XL, XXL, 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; Size: S, M, M/L, L, XL, XXL, 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, 120 mm travel

    Travel130mm

    Spring TypeAir

    Fox 34 Factory, Grip2 Damper, 4 way adjust, 130mm travel, 44mm offset, 15x110mm

    Travel130mm

    Spring TypeAir

    Shock

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

    Fox Float Factory, Evol LV, Ride Dynamics Tuned, LSC/ Rebound adjust, 190x45mm

    Bottom Bracket

    SRAM DUB, 92 mm, PressFit

    SRAM DUB Threaded Wide

    Headset

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

    Stem

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

    Raceface Turbine R, 50mm, 35mm clamp

    Handlebar

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

    Roval Control Rise Carbon Handlebar, 780mm wide, 20mm rise, 35mm

    Saddle

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

    Body Geometry Power Expert

    Seatpost

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

    Fox Transfer Factory, 30.9, 1X remote, (SM:125mm, MD: 150mm, L-XL: 175mm)

    Grips

    Size: S, M, M/L, L, XL, XXL, Bontrager XR Trail Elite, nylon lock-on; Size: S, M, M/L, L, XL, XXL, Bontrager XR Trail Elite, alloy lock-on

    Specialized Trail Grips

    Groupset
    Rear Derailleur

    SRAM X01 Eagle

    SRAM X0 Eagle Transmission

    Crank

    Size: S, SRAM X01 Eagle, DUB, 32T alloy ring, Boost, 170 mm length; Size: S, SRAM X01 Eagle Carbon, DUB, 32T alloy ring, Boost, 52 mm chain line, 170 mm length; Size: M, M/L, L, XL, XXL, SRAM X01 Eagle, DUB, 32T alloy ring, Boost, 175 mm length; Size: M, M/L, L, XL, XXL, SRAM X01 Eagle Carbon, DUB, 32T alloy ring, Boost, 52 mm chain line, 175 mm length

    SRAM X0 Eagle, DUB, 170/175mm, Alloy, 32T

    Shifters

    SRAM X01 Eagle, 12-speed

    SRAM AXS POD Controller

    Cassette

    Size: S, M, M/L, L, XL, XXL, SRAM Eagle XG-1275, 10-52, 12-speed; Size: S, M, M/L, L, XL, XXL, SRAM XX1 Eagle, 12-speed

    SRAM XS 1295, 12 speed, 10-52

    Chain

    SRAM XX1 Eagle, 12 speed

    SRAM X0 Eagle

    Brakes

    Size: S, M, M/L, L, XL, XXL, SRAM G2 RSC hydraulic disc; Size: S, M, M/L, L, XL, XXL, SRAM G2 RSC 4-piston hydraulic disc

    Front: SRAM Code Silver Stealth, 4-piston caliper, hydraulic disc, 180/200mm HS2 rotor, Rear: SRAM Code Silver Stealth, 4-piston caliper, hydraulic disc, 180mm HS2 rotor

    Wheels
    Rims

    Bontrager Kovee Pro 30, OCLV Mountain Carbon, Tubeless-Ready

    Roval Control, Carbon offset design, 29mm internal width, 4mm hook width, Tubeless ready, 28h

    Spokes

    Stainless, 14g, black

    Front Hub

    Industry Nine 1/1, 6-bolt, 15mm Thru-axle, 110mm spacing, 28h

    Rear Hub

    Industry Nine 1/1, 12x148mm thru axle, XD freehub body, 28h

    Tires

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

    Front: Specialized Purgatory, GRID Casing, T9 Compound, 29x2.4, Rear: Specialized Ground Control, GRID Casing, T7 Compound, 29x2.35

    Disc Rotors

    Size: S, M, M/L, L, XL, XXL, SRAM CenterLine, 6-bolt, round-edge, 160 mm; Size: S, M, M/L, L, XL, XXL, SRAM CentreLine, 6-bolt, round-edge, 180 mm

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