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    Fireball 9-Speed2020 Mongoose
    Recommended
    MSRP
    $719
    Where to Buy
    —
    $1

    At

    Category
    		Dirt Jump
    3.6
    Frame
    		Aluminum
    		RST DIRT
    Wheels
    		Aluminum
    Wheel Size
    		26″
    		Mechanical Disc
    		Altus
    Drivetrain
    		1 × 9
    Suspension
    		Hardtail
    Front Travel
    		100mm
    Brand Site

    mongoose.com

    Summary
    		The Mongoose Fireball 9-Speed is a 26″ aluminum frame hardtail dirt jump bike with modest components and mechanical disc brakes.

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    Insights
    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)

    25 mph

    Fireball 9-Speed

    Highest gear

    (descending)

    Spec Level

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

    Geometry
    Specs
    Fireball 9-Speed2020 Mongoose
    Frame

    Aluminum

    BB Standard: BSA, 68mm, Threaded

    Fork

    RST DIRT-T, 26", aluminum steerer, 9mm x 100mm, thru axle

    Travel: 100mm

    Spring Type: Coil

    Shock

    N/A

    Bottom Bracket

    Samox, cartridge, 3-piece, threaded 68mm shell

    Headset

    Threadless, ZS44/ZS44, retainer bearing

    Stem

    Xposure, melt forged aluminum, threadless, 40mm, 7°, 31.8mm clamp

    Handlebar

    Xposure, double-butted, aluminum, 750mm width, 30mm rise, 31.8mm diameter

    Saddle

    Mongoose Dirt jump, integrated rails

    Seatpost

    Xposure, aluminum, 200mm, integrated with saddle

    Type: Rigid

    Pedals

    Flat

    Grips

    Mongoose Hive, single density

    Groupset
    Rear Derailleur

    Shimano Altus RD-M2000, 9-speed

    Front Derailleur

    None

    Crank

    Samox CW-1448M, aluminum

    Shifters

    Shimano Altus SL-M2000, 9-speed

    Cassette

    SunRace, 9-speed, 11-36 tooth

    Chain

    KMC Z99

    Chain Guide

    MRP

    Brakes

    Mongoose, mechanical, aluminum 160mm rotors

    Type: Mechanical Disc

    Brake Levers

    Mongoose

    Wheels
    Rims

    Xposure, aluminum, double wall, 26mm width, 32 hole

    Spokes

    14G, steel

    Front Hub

    Xposure, aluminum, sealed-bearing, 32 hole, 6-bolt

    Rear Hub

    Xposure, aluminum, sealed-bearing, 32 hole, 6-bolt

    Tires

    Kenda Small Block, 26" x 2.35", wire bead

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