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NINETEEN BOOST Rear wheel hub
As a subsidiary of a rolling bearing manufacturer, Acros has developed a completely new bearing. This newly developed stainless steel angular contact ball bearing was uncompromisingly adapted to the intended use - in short, weight down, load up.
In all NINETEEN hubs 19 mm King-Size aluminium axles are used. This makes the hubs unbeatably light and at the same time more rigid. Furthermore, the new freewheel system was changed from handles to a ratchet system. The hub body is made of 7075 aluminium and, depending on the hub model, has a straightpull or normal flange to achieve the optimum wheel stiffness for every application.
The Clamp System - Play in axial direction can be adjusted
traightpull flange - for maximum wheel rigidity
Ratchet system - Increased service life and better power transmission