Originally Posted by
hotbike
I’m thinking about a new stem, but this one has a hole in it for the f brake cable . Bike has cantilever brakes.
its 1” stem with quill, and my new handlebars are 7/8th”
For a 22.2 mm or 7/8” handlebar you’d probably need a bmx stem which would have shorter reach, plus a cable hanger of some kind for your front brake. Probably would need to replace the cable and housing too. I’d just use the proper shim, though if it still won’t clamp tight enough you might also need a stem with a faceplate and more than 1 bolt.