FIRST AM - BOOST

moyeux de roue RAR First boost VTT AM

199 € – 290 €

FIRST AM : built to endure

The AM – All Mountain version is crafted for down-country, all-mountain, and enduro wheels.
With high flanges for 28 or 32 bent spokes, this hub delivers unmatched stability under intense stress.

 

Key features: 
  • Extreme Durability: Steel ratchets mechanics (36 or 54 teeth) to handle massive torque.
  • Maximum Reliability: Ultra-robust 61902 bearings throughout.
  • Optimized Stability: Extra-wide flanges for a sturdy wheel and perfect spoke alignment.
  • Easy Maintenance: Disassembles in seconds, with spare parts available online.

Available in LEFTY 50 & 60 versions

 

Weight per pair: Starting at 371g

Max supported weight (rider + bike): 140kg

SPARE PARTS AVAILABLE ONLINE

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  • Geometry and weight

    FIRST AM disc brake BOOST 15/110 front 28t & 32t

    * 132g – TPI steel bearings

    Lefty 60

    * 134g – TPI steel bearings

    FIRST AM disc brake BOOST 12/148 rear 28t & 32t

    Shimano HG

    * 262g – TPI steel bearings

    Sram XD

    * 239g – TPI steel bearings

    Microspline

    * 246g – TPI steel bearings