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    HELIX2026 Jamis
    Recommended
    MSRP
    $699
    Where to Buy
    —
    $1

    At

    Category
    		Crosscountry
    Weight
    		31.2 lbs
    3.4
    Frame
    		Aluminum
    		Suntour XCE
    Wheels
    		Aluminum
    Wheel Size
    		27.5″
    		Shimano Hydraulic Disc
    		microSHIFT Acolyte
    Drivetrain
    		1 × 8
    Suspension
    		Hardtail
    Front Travel
    		100mm
    Brand Site

    jamisbikes.com

    Summary
    		The Jamis HELIX is a 27.5″ aluminum frame hardtail crosscountry bike with mid-range components.

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    Insights
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    HELIX
    Other Crosscountry 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)

    24 mph

    HELIX

    Highest gear

    (descending)

    Spec Level

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

    Geometry
    Specs
    HELIX2026 Jamis
    Frame

    6061 aluminum main tubes, over-sized seat tube, zero-stack head tube, over-sized stays, replaceable derailleur hanger

    Fork

    SR Suntour XCE 28 DS 27.5″, coil spring, external preload adjustor, 28mm stanchions, aluminum lowers, 100mm travel

    Travel: 100mm

    Spring Type: Coil

    Bottom Bracket

    Sealed cartridge

    Headset

    Zero-stack internal cup, 8mm cone spacer

    Stem

    Jamis XC alloy threadless, 31.8 x 10˚ rise x 75mm (14”/16″), 90mm (18″)

    Handlebar

    Jamis XC alloy riser, 31.8 x 20mm rise x 680mm

    Saddle

    Jamis ATB Sport

    Seatpost

    Jamis alloy micro-adjust, 31.6 x 350mm (14″) 400mm (16″/18″)

    Type: Rigid

    Pedals

    MTB platform, hi-impact resin

    Grips

    Kraton

    Groupset
    Rear Derailleur

    microSHIFT Acolyte M5185M 8-speed

    Crank

    Samox AF26, 32T

    Shifters

    microSHIFT Acolyte M6185, 1×8-speed

    Cassette

    microSHIFT H081, 8-speed, 11-42T

    Chain

    KMC Z8, 8-speed

    Brakes

    Shimano MT200 hydraulic disc, Shimano RT26 160mm rotors

    Type: Shimano Hydraulic Disc

    Wheels
    Rims

    MTB double wall alloy disc 27.5″ rims, Joytec alloy disc hubs, nickel-plated spokes

    Tires

    Kenda Regio, 27.5 x 2.2”

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