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QVIST Duo-Boost Classic 6 Bolt Rear Hub
$1,100.00 AUD
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SKU: 69002047
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Until now, small engagement angles (<5°) were only possible with pawl freehubs and roller / sprag clutches. While fine pawls lack robustness, roller and sprag clutches are soundless and heavy. The patent-pending DOUBLE RATCHET SYSTEM provides fast engagement with the proven and robust ratchet technology as well as a unique stereo freehub sound - without breaking the scale.
Conventional ratchet freehub systems consist of two ratchet partners and all ratchet teeth engage simultaneously. As a result, the forces are distributed evenly over a large contact area, making the ratchet system of the utmost reliability. Since there is only space for a certain number of teeth on the ratchets, the number of engagement points is limited.