Originally Posted by
mstateglfr
Clicky noise from the lower middle of your bike could be...
- the right crank arm hitting the front derailleur cable end. this is sometimes tough to determine since the cable pivots depending on which ring the chain is on so the click is there sometimes but not always.
- the FD cable end hitting the tire(though this sounds different from a click). this is more common with the long arm design of your Claris FD(and similar older style higher level FDs that had that long arm design).
- chain rubbing on the front derailleur. a quarter turn of a limit screw will often fix this. sometimes its due to the front derailleur not being in line and instead at a slight angle.
- a chainring not being fully bolted to the crank arm(most likely not an issue for you since the bike is new and a ring hasnt been recently replaced).
- a pedal not being fully tightened to the crank arm.
- bottom bracket play due to it being loose.
These are what seem to be the 5 most common.
Also- cool bike! Those tires are massive from the angle you shot the pic.
This is a good list.
OP - I would add something related to the chain/FD rub...depending on what chainring/cassette combo you are in, you may need to “trim” the front shift.
If you are not familiar, you might google the term, but essentially: on most front shifters, after shifting rings you can do a small, second up-shift which will move the derailer cage outward ever so slightly. This can be needed to help avoid chain rub, because as you run through the full range of the cassette, the chain is moving left/right as it leaves the front derailer cage, and it can be difficult to find one position that avoids chainrub on one side of the cage or the other.
I’m not sure MTB front shifters customarily use trim, so this may not be something you’ve seen on your Sirrus.