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    Impulse2026 Author
    Recommended
    MSRP
    Where to Buy
    —
    $1

    At

    Category
    		Crosscountry
    3.9
    Frame
    		Aluminum
    		Suntour XCM
    Wheels
    		Aluminum
    Wheel Size
    		29″
    		Tektro Hydraulic Disc
    		CUES
    Drivetrain
    		2 × 9
    Suspension
    		Hardtail
    Front Travel
    		100mm
    Brand Site

    en.author.eu

    Summary
    		The Author Impulse is a 29″ aluminum frame hardtail crosscountry bike with upper mid-range components.

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    Insights
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    Impulse
    Other Crosscountry 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

    Impulse

    Highest gear

    (descending)

    Geometry
    Specs
    Impulse2026 Author
    Frame

    alloy 29"

    Colors: Red / Black / White; Black / Blue

    Fork

    SUNTOUR XCM32 LO 29, lock out (100 mm)

    Travel: 100mm

    Spring Type: Coil

    Stem

    AUTHOR alloy

    Handlebar

    AUTHOR Flatbar hliník, rise 0 mm, 680/700 mm

    Saddle

    AUTHOR Navigator

    Seatpost

    AUTHOR alloy (31.6)

    Type: Rigid

    Pedals

    plastic

    Groupset
    Rear Derailleur

    SHIMANO Cues 3020

    Front Derailleur

    SHIMANO Cues 4000 (34.9)

    Crank

    SHIMANO Cues 4000-2, 36-22 teeth, 170/175 mm cranks

    Shifters

    SHIMANO Cues 4000 (18)

    Cassette

    SHIMANO CS-LG300-9, 11-36 teeth (9)

    Chain

    KMC XGlide

    Brakes

    TEKTRO HD-M275, disc hydraulic (6" rotors)

    Type: Tektro Hydraulic Disc

    Wheels
    Rims

    AUTHOR Xenon 29 TRC, 32 holes

    Spokes

    black stainless steel 1.8 mm

    Front Hub

    QUANDO Disc, 32 holes

    Rear Hub

    QUANDO Disc, 32 holes

    Tires

    AUTHOR Rock Drive, 29" x 2.20"

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