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    MSRP
    ($4,217)
    Where to Buy
    $1

    At

    Category
    Endurance
    Weight
    16.1 lbs
    8.6
    Frame
    Carbon
    Carbon
    Wheels
    Carbon
    Wheel Size
    700c
    Shimano Ultegra Hydraulic Disc
    Ultegra, Ultegra Di2
    Drivetrain
    2 × 12 Electronic
    Brand Site

    radon-bikes.de

    Summary
    The Radon SPIRE 9.0 is a carbon frame endurance bike with high-end components and shimano ultegra hydraulic disc brakes.

    Ask 99 Spokes

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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)

    41 mph

    SPIRE 9.0

    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

    SPIRE, Material: Carbon, Frame: appr. 950g XS), Fork: appr. 420g, Max. width tire: 30mm, Hanger: #4728

    ColorWarmgrey / Black

    Fork

    SPIRE Full Carbon

    Headset

    IS52/IS52, Integrated cable routing, Bearing dimensions:, Upper + lower: 51.9x40x8mm

    Saddle

    Selle Italia SLR Boost TM Superflow, L3: 145mm

    Seatpost

    SPIRE Carbon Seatpost, 350mm, 18mm setback

    TypeRigid

    Pedals

    not included

    Grips

    ACID RC 2,5 CMPT

    Groupset
    Rear Derailleur

    Shimano ULTEGRA Di2 RD-R8150, 12-speed

    Front Derailleur

    Shimano ULTEGRA Di2 FD-R8150-F, braze-on

    Crank

    Shimano ULTEGRA FC-R8100, 52/36T, XS 170mm, S: 172,5mm, M: 172,5mm, L: 175mm, XL: 175mm

    Shifters

    Shimano ULTEGRA Di2 ST-R8170, 2x12

    Cassette

    Shimano ULTEGRA CS-R8101, 11-34

    Chain

    Shimano ULTEGRA CN-M8100

    Brakes

    Shimano ULTEGRA BR-R8170, flat mount

    TypeShimano Ultegra Hydraulic Disc

    Wheels
    Rims

    NEWMEN Advanced A.50, 100/142mm, Rim height: 50mm, Inner width: 23mm, Tubeless ready: ✔, Tubeless valves: ✔, NEWMEN valve set, Tubeless tape: ✔, 27mm, Tubeless milk: not included

    Tires

    Continental Grand Prix 5000 S, TR, 28" x 30mm

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