Bikes up to 60% offWe monitor over 40,000 bikes daily to find the best prices

Today’s Deals
Bike Comparison
    Aura XR42020 Author
    Recommended
    MSRP
    Where to Buy
    —
    $1

    At

    Category
    		Gravel
    Weight
    		23.6 lbs
    2.8
    Frame
    		Aluminum
    		Carbon
    Wheels
    		Aluminum
    Wheel Size
    		700c
    		Shimano Mechanical Disc
    		GRX 600, Tiagra
    Drivetrain
    		2 × 10
    Brand Site

    en.author.eu

    Summary
    		The Author Aura XR4 is an aluminum frame gravel bike with mid-range components and shimano mechanical disc brakes.

    Ask 99 Spokes

    Want to ask an actual human?

    Get free advice from a Gear Advisor at Jenson USA

    Text a Gear Advisor
    Similar Bikes
    Insights
    Ride Feel

    Based on frame geometry and build specs.

    Rider Position
    relaxedaggressive
    Terrain
    smoothrugged
    Aura XR4
    Other Gravel 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)

    36 mph

    Aura XR4

    Highest gear

    (descending)

    Geometry
    Specs
    Aura XR42020 Author
    Frame

    triple butted alloy 6061

    Color: Black-Matt / Green

    Fork

    AUTHOR carbon legs, alloy steerer 1.5" tapered

    Stem

    AUTHOR

    Handlebar

    PROMAX 420 / 440 / 460 mm

    Saddle

    AUTHOR Guru

    Seatpost

    AUTHOR (27.2)

    Type: Rigid

    Groupset
    Rear Derailleur

    SHIMANO Tiagra

    Front Derailleur

    SHIMANO GRX 400

    Crank

    SHIMANO GRX 600 46-30 teeth 172.5 / 175 mm cranks

    Shifters

    SHIMANO Tiagra (20)

    Cassette

    SHIMANO HG500-10 11-34 (10)

    Chain

    KMC X10

    Brakes

    SHIMANO RS305 disc mechanical (160 mm rotors)

    Type: Shimano Mechanical Disc

    Wheels
    Rims

    JALCO CR25D 32 holes

    Spokes

    stainless steel hi-ten 2.0 mm black

    Front Hub

    QUANDO Road Disc 12 × 100 mm thru front axle 32 holes

    Rear Hub

    QUANDO Road Disc 12 × 100 mm thru front axle 32 holes

    Tires

    RITCHEY Cross Shield kevlar 700 × 35c

    Riders Also Compared