Originally Posted by
capnjonny
About that rim hole. I frequently find when trying to insert a schrader valve through the rim hole that the hole is slightly too small . I frequently will use a drill to slightly enlarge the hole and a chamfer bit (or larger drill bit) to relieve the edges so they are not sharp. Is there any reason I should not do this?
As long as you don’t raise another burr and you keep the enlargement of the hole reasonable, there shouldn’t be a problem.