synchro. transmission. second gear

Hey guys I’ve got some problems with my synchros for first second and third gears and I’m looking to replace them. I’m from Australia and will most likely be getting them shipped from US, I know a lot of people have had problems with their synchros and I’m just wondering if any would be able to...

I recently started to experience some issues putting my car into second gear (grinding). I am deliberate with my shifting and haven't pushed the vehicle to any extremes. At times I have no problems shifting into second, and other times I experience some grinding or it disengages the gear...

The second gear synchro in my 2000 tj is gone. I need to find a replacement but is seeming to be impossible.