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    Siskiu D52018 Polygon
    Recommended
    MSRP
    Where to Buy
    —
    $1

    At

    Category
    		Trail
    4.0
    Frame
    		Aluminum
    		Suntour XCR Air
    		Suntour
    Wheels
    		Aluminum
    Wheel Size
    		27.5″
    		Shimano Hydraulic Disc
    		Alivio
    Drivetrain
    		3 × 9
    Suspension
    		Full
    Front Travel
    		120mm
    Rear Travel
    		120mm
    Brand Site
    Summary
    		The Polygon Siskiu D5 is a 27.5″ aluminum frame full suspension trail bike with mid-range components.

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    Insights
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    Siskiu D5
    Other Trail bikes
    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)

    30 mph

    Siskiu D5

    Highest gear

    (descending)

    Geometry
    Specs
    Siskiu D52018 Polygon
    Frame

    Aluminum

    BB Standard: BSA, 73mm, Threaded

    Fork

    SR Suntour XCR LOR Air, standard steerer

    Travel: 120mm

    Spring Type: Air

    Shock

    SR Suntour Raidon-Lo Air, 190mm x 51mm

    Travel: 120mm

    Bottom Bracket

    Integrated BSA

    Headset

    FSA No. 57B-1, taper ID: 44/56mm

    Stem

    Entity Xpert, alloy, 80mm length

    Handlebar

    Entity Xpert, alloy, 740mm width

    Saddle

    Entity Assault, Cr-Mo rail

    Seatpost

    Entity Xpert, alloy, 350mm length

    Type: Rigid

    Pedals

    VP Component VP-195E, alloy

    Groupset
    Rear Derailleur

    Shimano Alivio RD-M4000-DSGS, 9-speed

    Front Derailleur

    Shimano Alivio FD-M4000

    Crank

    Two-piece, 170mm length (S/M), 175mm (L/XL)

    Shifters

    Shimano Alivio SL-M4000, 3x9

    Cassette

    Shimano CS-HG200, 11-34 tooth, 9-speed

    Chain

    KMC X-9

    Chain Guide

    N/A

    Brakes

    Shimano BR-M315

    Type: Shimano Hydraulic Disc

    Brake Levers

    Shimano BL-M315

    Wheels
    Rims

    Araya DM-650

    Front Hub

    Alloy

    Rear Hub

    Alloy

    Tires

    Schwalbe Smart Sam, 27.5" x 2.25"

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