Originally Posted by
Causal
But it only comes in 38t, 44t, and 48t. Should I go up a size (buy the 44t) or down a size (buy the 38t)?
I think 44t would be the right size. You don't want the chain rubbing on the chain guard if you can even fit a 38t chain guard over a 42t chainring. You could send an email to or call Velo Orange and ask them.