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    Where to Buy
    $1

    At

    Category
    Comfort
    5.8
    Frame
    Aluminum
    Aluminum
    Wheels
    Aluminum
    Wheel Size
    650b
    Tektro Hydraulic Disc
    Acera, Altus
    Drivetrain
    3 × 9
    Brand Site

    specialized.com

    Summary
    The Specialized Roll Comp is a 650b aluminum frame comfort bike with modest components and tektro 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)

    57 km/h

    Roll Comp

    Highest gear

    (descending)

    Geometry
    Specs
    Frame

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

    Fork

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

    Bottom Bracket

    Square taper, cartridge bearings

    Stem

    Specialized 3D forged alloy, 4-bolt

    Handlebar

    Specialized Roll, 6061 alloy, 15-degree backsweep, 5-degree upsweep, 125mm rise, 31.8mm

    Saddle

    Body Geometry The Cup, 6-degree rise, elastomer base, steel rails, SWAT compatible mounts, 255mm

    Seatpost

    Suspension Plus, 2-bolt, 27.2mm

    TypeSuspension

    Pedals

    Nylon body, rubber top, w/ reflectors

    Grips

    Specialized Body Geometry Contour, lock-on

    Groupset
    Rear Derailleur

    Shimano Acera, 9-speed

    Front Derailleur

    Shimano Altus, top swing, dual pull

    Crank

    Specialized Stout, forged alloy, 48/36/26T, w/ chainguard

    Shifters

    Shimano Altus RapidFire Plus, 9-speed

    Cassette

    Shimano, 9-speed, 11-34t

    Chain

    KMC X9, 9-speed, w/ reusable MissingLink

    Brakes

    Front: Tektro Auriga, hydraulic disc, resin pads, 160mm rotor, Rear: Tektro Auriga, hydraulic disc, resin pads, 160mm rotor

    TypeTektro Hydraulic Disc

    Brake Levers

    Tektro, hydraulic

    Wheels
    Rims

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

    Spokes

    Stainless, 14g

    Front Hub

    Specialized, Hi Lo disc, QR, 32h

    Rear Hub

    Specialized, Hi Lo disc, QR, 36h

    Tires

    Front: Specialized Nimbus Sport, 60TPI, BlackBelt protection, 650bx2.3"", Rear: Specialized Nimbus Sport, 60TPI, BlackBelt protection, 650bx2.3""

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