V2.2
2022 RUNGU Dualie Rugged/XR series
Copyright 2021 Standard Bearer Machines, LLC
95
Fixing a broken chain
Because the Rungu Dualie motor produces high torque and many Rungu Dualie riders don’t have the
experience shifting gears as described earlier, broken chains a common problem encountered by new
Dualie riders. A chain breaking while on a ride can ruin the ride if you haven’t not prepared with either a
spare chain or at a minimum, a spare master link
–
most of the time chain breaks occur at the master
link.
This section explains how to repair a chain with the spare master link Rungu ships with every new
Dualie. The instructions in this section also apply to replacing a broken chain with a spare. But the
instructions do not cover the repair of chains broken where a master link cannot be placed without the
removal of plates from the chain.
There are many good videos available on YouTube on chain repair. The team at Rungu recommends the
Park Tool video - https://www.youtube.com/watch?v=HpUCCrgugQE
1.
Turn off the Rungu Dualie, and with the chain off, shift into 9
th
gear.
2.
Route the broken chain (or new chain) through the derailleur, around the top of 9
th
gear
(smallest cog) and over the chainstay. The images below show how the chain feeds through the
Advent and Box 9 Derailleurs.
3.
Drape the end of the other end of the chain over the chainring so one end dangles from the
chainring or pedal and other from the derailleur.
