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    MSRP
    Where to Buy
    $1

    At

    Category
    Comfort
    6.7
    Frame
    Aluminum
    Aluminum
    Wheels
    Aluminum
    Wheel Size
    650b
    Shimano Acera Hydraulic Disc
    Deore
    Drivetrain
    1 × 10
    Brand Site

    specialized.com

    Summary
    The Specialized Roll City is a 650b aluminum frame comfort bike with upper mid-range components and shimano acera hydraulic 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)

    31 mph

    Roll City

    Highest gear

    (descending)

    Geometry
    Specs
    Frame

    Specialized A1 Premium Aluminum, Ground Control Positioning, formed tubes, disc mount, fender/rack mounts, reflective paint

    BB StandardBSA, Threaded

    Fork

    A1 Premium Aluminum, Cr-Mo steerer, post disc mount, fender/rack mounts, reflective paint

    Bottom Bracket

    BSA, square taper, cartridge bearings

    Stem

    Specialized Flowset, 3D-forged alloy, 12-degree rise, 31.8mm clamp

    Handlebar

    Specialized, alloy, 10-degree backsweep 31.8mm

    Saddle

    Milano Sport, steel rails

    Seatpost

    Alloy, 12mm offset, 2-bolt, 27.2mm

    TypeRigid

    Pedals

    Specialized City platform

    Groupset
    Rear Derailleur

    Shimano Deore, Shadow Plus design, SGS cage, 10-speed

    Crank

    Single crank, 130mm BCD spider, 42T w/aluminum chainguard

    Shifters

    Shimano Deore, 10-speed

    Cassette

    SunRace, 10-speed, 11-40t

    Chain

    KMC X10, 10-speed w/reusable MissingLink

    Brakes

    Front: Shimano Acera, hydraulic disc, resin pads, 160mm rotor, Rear: Shimano Acera, hydraulic disc, resin pads, 160mm rotor

    TypeShimano Acera Hydraulic Disc

    Wheels
    Rims

    Specialized Roll, double-wall, 33mm inner width, disc

    Spokes

    Stainless, 14g

    Front Hub

    Specialized disc, double-sealed, loose ball bearings, 9mm QR

    Rear Hub

    Specialized disc, loose ball bearings, for Shimano 10-speed cassette, QR

    Tires

    Front: Nimbus Sport Reflective, 60 TPI, 27.5 x 2.3", Rear: Nimbus Sport Reflective, 60 TPI, 27.5 x 2.3"

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