[jobster]

I'm considering converting to a single ring set up for this season. I plan on using a 39T up front which will allow me to use a standard crankset and just replace the 53T with a chainring guard.

Are these guards chainring size specific? It seems like some are 'one size fits all' (up to 44T max) while other brands specify chainring tooth size. I'm not sure if I'm ok just getting a guard that can work up to 44T or if I need to find one that is sized specifically to the 39T ring that I will be running.

Any help is appreciated.

 

[Miles E]

Just make sure you have one that is at least 39t, although I bet any 5 bolt 130mm BCD guard would work since 39t is practically the smallest ring you can run anyway (can't imagine anyone bothers to make a 38t specific one).

A bigger one will work too, it just gives you a little less ground clearance.

 

[BikeFixer]

I have the Salsa one that goes up to 44 with a 39 ring and it works fine, the chain touches it a tiny bit when I'm in the 11t in back but not enough to matter

 

[rs3o]

BBG has a 39T specific cross guard.
http://www.bbgbashguard.com/