is a boost spec hub with a 12mm*148mm axle which can
NOT be changed to any other spec.
|This hub uses the new
X4 freehub which has 6 asymmetric pawls
which gives a 3 degree Angle of Engagement and 120 Points
|This gives you fast and
secure engagement under any conditions.
from BDop Cycling comes standard with Japanese EZO bearings.
can be ordered with SHIMANO 10/11 or