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> Bikes > Mountain > Front-Suspension > Niner > SIR 9 Frame Only
Niner SIR 9 Frame Only

Niner SIR 9 Frame Only


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Product Details

2017 Niner SIR 9 Frame Only

Like a retro blast from the past, only updated to take advantage of modern mountain bike designs — Niner's SIR 9 holds true to the mantra that steel is real thanks to Reynolds 853 DZB construction. Add your favorite XC fork and annihilate your local tracks with the speed and capability of 29-inch wheels paired to a stiff and lively hardtail frame. And, the included BioCentric II adjustable bottom bracket lets you run it geared or singlespeed to suit your pleasure.

Features and Information

  • Specifications close open

    Specification Description
    Frame Niner SIR 9
    Headset Included
    Axles 12x142mm Maxle Included
    Bottom Bracket BioCentric II
    Fork Compatibility 80mm–100mm-travel
    Wheel Compatibility 29-inch
    Accessories & Extras Derailleur Hanger, Single Speed Insert, Cable Retention Hardware, YAWYD, Seat Collar

    * Subject to change without notice.

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  • Part Numbers close open

    Option Barcode Manufacturer's Part Number
    Forge Grey/White / Large 010011605637 01-001-16-05-63
    Forge Grey/White / Medium 010011604630 01-001-16-04-63
    Forge Grey/White / Small 010011603633 01-001-16-03-63
    Forge Grey/White / X-Large 010011606634 01-001-16-06-63
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