Originally Posted by
striknein
In that case, I'd recommend a sacrificial 15mm cone wrench, such as Park's cheaper DCW-2. If you have a threaded headset, Park also sells a combination 32mm/15mm open-ended wrench in a compact size (though I can't find the model).
Many pedals also have a hex socket on the inboard end of the spindle, which negates the need for a pedal wrench altogether.
What kind of pedals are these? I love my MKS Touring pedals but would trade them for something similiar with a hex socket on the back.