6
4.
Installation Procedure
The following steps are a guide to install a BBS Mid-Drive motor to most standard bikes.
Some customizations may be necessary due differences in bike models, installed
accessories or even personal preference, but there are numerous resources available both
online and through our website to assist you.
But the most important point is that
safety is paramount
.
Take care when installing all components, particularly once the battery is connected as
the motor could engage and rotate the drivetrain which can be dangerous if its
unexpected.
Warning
: The throttle can engage even if speed level is set to zero. Always
ensure the display is powered off.
Bottom bracket removal
1.
Flip the bike upside down or secure on a raised
to remove the original
crankset and crank arms, front derailleur and bottom bracket from the bottom
bracket shell of the bike frame.
2.
Remove the crank arms using
depending on what
sort of crank arms your bike has.
3.
You can then use a
and ratchet handle to remove the bottom
bracket cups, as shown here.
4.
Remove any front derailleur or front gear
cables. The derailleur can usually be removed
by loosening one bolt with an
then
opening a clamp.
5.
You will then find that the chain is looped
through the derailleur.
6.
The front derailleur is not used on an e-bike so if you don’t need it you can simply
cut it off and discard, otherwise you will need to remove the chain via a quick link
or with the aid of a
7.
Remove all the associated cables, then reinstate the chain if you had removed it.
All tools highlighted in bold can be purchased in kits or individually through
