Crank Brothers Cobalt 1 wheelset 27,5' black/silver

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  • Cobalt 1

    Entry-level aluminum wheels for xc/trail.

    Massively different
    simple and beautiful, our unique wheel design is based around principles of strength, stiffness and acceleration.

    Stronger and Stiffer
    twinpair spoke technology – designed using the strongest shape in construction, the triangle, to maximize strength and stiffness.
    beautifully simple – single spoke length: easy to true and replaceable without removing tire.


    • rim material: 6061-t6, smooth weld joint
    • rim finish: shot peen, black anodizing
    • rim width: 21mm
    • rim depth: 21.1mm
    • spoke material: stainless steel
    • spoke butting: 2.3 bladed
    • spoke length: 298mm
    • nipple size: 28mm
    • front hub material: cobalt, 6061-t6
    • front hub bearing: sealed cartridge 18307 (x2)
    • front hub end caps: 15mm (installed), 9mm (included)
    • rear hub material: cobalt, 6061-t6
    • rear hub bearings: sealed cartridge 6903 (x2), 6902 (x2)
    • rear hub end caps: 12x142mm (installed), 10x135mm (included)
    • freehub: 3-pawl, 21T, steel
    • xd driver: xd driver compatible, available separately
    • skewers: skewers not included, available separately
    • weight: 29" 1975g per set
    • weight: 27.5" 1900g per set
    • e-bike compatible: urban/xc e-bikes up to 350 watts max
    • warranty: 2 years
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    Factory number:15875
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