The Koozer 450 series hub adopts a new 6 pawls-3 teeth /120HD structure, which is an upgrade from the traditional 6 pawls 72HD transmission system. The pawl has changed from single tooth to 3 teeth, andthe gear ring has changed from 36T to 60T. Pedaling feedback is faster and the sound is more denseand pleasant. Ride on the way, full of passion. The size specifications, we supply a wide range of options, the front 5x100/15x100/15x110mm boost,and rear 5x135/5x141/12x148 boost; and HG/XD/MS cassette body with tool-free conversion.There are even 10x135/12x135 mini THRU conversion end cap available for some special bicycle. The spokes can be equipped with J-hook/straight pull, and the brakes can be equipped with 6 bolts/center lock. And with a variety of colors, there will always be one that will satisfy you.
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