How to install a bottom braket on your BMX Bike (Video ENG)
It will
happen
in the
course
of time,
that's
your
bottom
bracket
broke
down.
If you
do not
know
exactly
how
you
should
install
a
new
bearing,
then
you
look
at this
video!
Basically,
the
bottom
bracket
differ
in "loose
ball"
and
"sealed
bearing".
The
loose
ball
bottom
bracket
are
installed
in many
cheap
beginners
bikes.
The
bearings
in turn
differ
in different
sizes.
Starting
with
the
largest
outer
diameter
are
US-BB,
MID-BB,
SPAN-BB
and
EURO-BB.
The
EURO-BB
you
recognize
the
screw
thread
and
are
rarely
built
on a
BMX
frame.
This
is important,
first
you
have
to check
if you
have
a
19mm
or a
22mm
axle
crank!
02/12/2013