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    Roll Comp X12018 Specialized
    Recommended
    MSRP
    $910
    Where to Buy
    —
    $1

    At

    Category
    		Comfort
    6.8
    Frame
    		Aluminum
    		Aluminum
    Wheels
    		Aluminum
    Wheel Size
    		650b
    		Tektro Hydraulic Disc
    		Deore
    Drivetrain
    		1 × 10
    Brand Site

    specialized.com

    Summary
    		The Specialized Roll Comp X1 is a 650b aluminum frame comfort bike with upper mid-range 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)

    31 mph

    Roll Comp X1

    Highest gear

    (descending)

    Spec Level

    Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

    Geometry
    Specs
    Roll Comp X12018 Specialized
    Frame

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

    BB Standard: BSA, 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

    Type: Suspension

    Pedals

    Specialized City, platform

    Grips

    Specialized Body Geometry Contour, lock-on

    Groupset
    Rear Derailleur

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

    Crank

    Forged alloy, square taper, 104BCD spider, 42T w/ chainguard

    Shifters

    Shimano Deore, 10-speed

    Cassette

    Sunrace, 10-speed, 11-40t

    Chain

    KMC X10, 10-speed w/ Missing Link™

    Brakes

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

    Type: Tektro Hydraulic Disc

    Wheels
    Rims

    Double wall, 32h front 36h rear, disc only

    Spokes

    Stainless, 14g

    Front Hub

    Alloy, 6-bolt disc, loose ball bearing, QR, 32h

    Rear Hub

    Alloy, 8/9-speed freehub, 6-bolt disc, loose ball bearings, quick-release, 36h

    Tires

    Front: Nimbus Sport Reflective, 650bx2.3", 60 TPI w/ BlackBelt Protection, Rear: Nimbus Sport Reflective, 650bx2.3", 60 TPI w/ BlackBelt Protection

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