peggysue Posted September 25, 2011 Report Share Posted September 25, 2011 Just broke my avid bb7 on my stock bike so going to for a hope front disc setup now ... I want to run a 180 disc up front and have trial tech stock forks with a +20 mount . Which size or number caliper would I need to use a 180 ish rotor ? Thanks Quote Link to comment Share on other sites More sharing options...
Mikee Posted September 25, 2011 Report Share Posted September 25, 2011 Number 5 (front 160mm) so with your +20mm you are able to use a 180mm disc. Quote Link to comment Share on other sites More sharing options...
ezgonzo Posted September 25, 2011 Report Share Posted September 25, 2011 #5 Caliper for +20 fork if running a 180mm rotor. Quote Link to comment Share on other sites More sharing options...
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