Bike Comparison
    MSRP
    $910
    Where to Buy
    $1

    At

    Category
    Comfort
    6.1
    Aluminum
    Fork
    Aluminum
    Wheels
    Aluminum
    Wheel Size
    650b
    Brakes
    Hydraulic Disc
    Groupset
    Deore
    Drivetrain
    1 × 10
    Brand Site

    specialized.com

    Summary
    The Specialized Roll Comp X1 - Low-Entry - 2018 is a 650b aluminum frame comfort bike with upper mid-range components and hydraulic disc brakes.
    Similar Bikes
    Accessories
    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 Comp X1 - Low-Entry - 2018

    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

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

    BB StandardBSA, Threaded

    Fork

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

    Bottom Bracket

    BSA, square-taper, cartridge bearings

    Stem

    Specialized Flowset, 3D-forged alloy, 20-degree rise, 31.8mm clamp

    Handlebar

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

    Saddle

    Body Geometry "The Cup," 6-degree rise, elastomer base, steel rails, SWAT™ compatible mounts, 245mm

    Seatpost

    Spring suspension, alloy, 27.2mm, 2-bolt clamp

    Pedals

    Specialized City, platform

    Grips

    Specialized Body Geometry Contour, lock-on

    Groupset
    Rear Derailleur

    Shimano Deore, Shadow Plus, GS cage, 10-speed

    Crank

    Forged alloy, 104mm BCD, 42T w/ chainguard

    Shifters

    Shimano Deore, 10-speed

    Cassette

    SunRace, 10-speed, 11-40t

    Chain

    KMC X10, 10-speed w/ reusable Missing Link™

    Brakes

    Front: Tektro Auriga, hydraulic disc, 160mm, Rear: Tektro Auriga, hydraulic disc, 160mm

    Wheels
    Rims

    650b, double-wall alloy, 18mm depth, 32.4mm internal width, 32h front/ 36h rear

    Spokes

    Stainless, 14g

    Front Hub

    Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h

    Rear Hub

    Alloy, 6-bolt disc, 10-speed freehub, loose ball bearing, quick release, 36h

    Tires

    Front: Nimbus Sport Reflect, 60 TPI w/ BlackBelt Protection, 650b x 2.3", Rear: Nimbus Sport Reflect, 60 TPI w/ BlackBelt Protection, 650b x 2.3"

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