1. Introduction
Congratulations on your Full Speed Ahead product. Please read these instructions and follow them for correct
use. Failure to follow the warnings and instructions could result in damage to product not covered under
warranty, damage to bicycle; or cause an accident resulting in injury or death. Since specific tools and
experience are necessary for proper installation, it is recommended that the product be installed by a qualified
bicycle technician. FSA assumes no responsibility for damages or injury related to improperly installed
components.
2. Drivetrain Parts
FSA K-Force WE is an electronic hybrid drivetrain. It is defined as hybrid because is not completely wireless.
Indeed, there are no wires from shifters to derailleurs but the communication between the two derailleurs is
still effectuated using wires.
The different parts of the drivetrain will be explained in this section.
•Main Battery
The main battery is placed into
the seatpost and provides power
to the two derailleurs through
two wires.
•Shifters
Shifters wirelessly communicate
with derailleurs. They have their
own coin cell batteries, located
inside the housing.
•Wires
Two internally routed wires,
one longer and one shorter,
connect front and rear
derailleurs to the battery.
•Front and Rear Derailleur
