From the Wabi website.....
Deluxe 6 pawl 1 speed freewheel
With 3 different pairs of
pawls to engage, the
engagement is much
quicker than with the
standard 1 speed
freewheel. Also, the
bearing and races design is
more precise.
Compatible with all
English/ISO Standard 1.37"
x 24 tpi hubs, and 3/32" or
1/8" chains. Available in
16T- 18T sizes. Black finish.