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Impact ISIS Hub - 36 Hole (42mm) - White


The 42mm bearings version of the Impact hub has increased flange size. This helps with wheel strength and spokes can be removed without removing the bearings.



    * ISIS spline is strong and creak free
    * Tempered 4130 CrMo spindle
    * Ideal flange size for wheel strength and abilty to remove spokes without removing bearings
    * Flange material hardness and shape are designed to maximise spoke strength.
    * Sealed, 42mm bearings with standard 100mm spacing
    * 36 spoke holes
    * Comes with pair of ISIS bolts & Spacers
    * Weighs: 574g (with bearings, bolts and spacers)

Hub flange width (W) = 64.7mm
Hub flange Diameter  (D) = 56.5mm
Hub hole Diameter (S) = 2.8mm

Information on the spoke length for building a wheel can be found on our Spoke Calculator

More Information
Bearing Size
Bearing Spacing
Crank Type
Number of Spokes
36 Hole
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  • Impact Unicycles Manufacturers Page

    Impact Unicycles is the best manufacturer in the world for trials and flatland unicycles. Although the brand was started in 2009 by the famous French rider Yogi. It is now wholly owned by Unicycle.com. Designed by unicyclists, ridden by world champions...
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