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Jamis Helix

Jamis Helix

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Product Details

Jamis Helix

Building great recreational-level bikes that ride much like (and look a lot like) our hi-end bikes is a passion at Jamis. And no bikes showcase our commitment to do just that better than these. The Trail X and Helix chassis emphasizes all-day performance and the handlingā€™s quick and sure without being overly darty. But make no mistake, if you want to throw down, they more than able to keep up with 27.5ā€ wheels, precise shifting drivetrains and incredibly powerful disc or linear pull brakes.

Features and Information

  • Specifications close open

    Specification Description
    Frame 6061 aluminum main tubes, over-sized seat tube, zero-stack head tube, over-sized stays, replaceable derailleur hanger
    Fork RST Gila 27.5", coil spring, external preload adjustor, 28mm stanchions, aluminum lowers, 100mm travel
    Headset Zero-stack internal cup threadless, 15mm cone spacer
    Rims/Wheels Alex ACE-17 double-wall alloy rims, 32H, heavy-duty ATB hubs with QR
    Tires CST Patrol, 27.5 x 2.25ā€
    Crankset Forged alloy crank, 170mm
    Chainrings 42/34/24T
    Bottom Bracket Sealed cartridge
    Chain KMC Z51, 7-speed
    Front Derailleur Shimano TX50
    Rear Derailleur Shimano TX35
    Rear Cogs Shimano TZ31, 7-speed, 14-34T
    Shifters Shimano EF41, 3x7-speed
    Handlebars Jamis XC riser
    Tape/Grips Kraton
    Stem Jamis XC alloy threadless, 25.4
    Brake Levers Shimano levers
    Brakes Alloy linear pull type
    Pedals ATB platform, hi-impact resin
    Saddle Jamis ATB Sport Women's, SL cover, protective front and rear guards
    Seat Post Jamis alloy micro-adjust, 31.6

    * Subject to change without notice.

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  • Part Numbers close open

    Option Barcode Manufacturer's Part Number
    Aspen Sky / 14-inch 00845436020136 03-0797-BL
    Ultraviolet / 14-inch 00845436020143 03-0798-VL
    Aspen Sky / 16-inch 00845436020150 03-0799-BL
    Ultraviolet / 16-inch 00845436020167 03-0800-VL
    Aspen Sky / 18-inch 00845436020174 03-0801-BL
    Ultraviolet / 18-inch 00845436020181 03-0802-VL
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