At this stage you may notice some wheel
wobble or tyre wobble. This is perfectly
normal and to be expected. The wheels
for Rocker BMX are adapted from hand
trucks (wheel barrow) applications and
are thus designed to be very strong at a
very low price. If you are concerned about
excessive tyre or wheel wobble, please
look carefully at your rim/hub assembly
as often it can be dialled out by loosening
the main four hub/rim bolts and
re-aligning the split rims. This can
however be fiddly and is only advised if
your rims are looking wildly out of true.
Minor wobble or tyre bulge should simply
be accepted as part of the character of
your new Rocker BMX.
We will be bringing out our own
aftermarket wheels and tyres in the future
that will rectify wheel wobble for high
speed ramp applications where wheel
wobble can sometimes be detected by
the rider.
After a few hours riding we suggest you
re-check your cone nuts & bearing free
play. Dial out as necessary (will become
loose as bearings bed in)
If your wheel is too loose (rattling loose
bearings) tighten the cone nuts. If it does
not spin freely and comes to a halt too
quickly, carefully loosen the cones nuts.
For this you will require a 17mm and a
19mm spanner
Now check your bottom bracket/crank
assembly. Turn the cranks & look at the
locking nut and cone to make sure they
have been installed correctly and are not
cross threaded. If you find that they are
please use suitable tools to loosen,
re-align and then pre-load your crank
bearings (this is very rare – please call us
if you require professional assistance in
such a case).
Rocker BMX uses a USA BB as standard,
we also manufacture aftermarket 3 piece
cranks and conversion BB’s with fully
sealed cartridge bearings (USA to
19mm), please see our website for
details www.rockerbmx.com should you
wish to upgrade your cranks
Whilst turning your cranks make sure that
the sprocket had been installed correctly
and runs straight and true.
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