My son rides a 90 Ltd. Friday night we cracked a set of gears. I was lucky to have caught the problem before the gears completely broke. I just noticed the drive sprocket would lock up slightly when we rolled the bike. I removed the gears and you could see distinct cracks in the gears. This is the second set I ve seen come apart in the last three weeks. Is this a common problem and is there a fix. I have heard of guys switching to Kasea gears. Does this take care of the problem. Any help would be appreciated.

Shayden Housley#39