Joined: Mar 2007
Posts: 9,154
Likes: 5,335
From: SF Bay Area, East bay
Bikes: Miyata 618 GT, Marinoni, Kestral 200, Soma double cross 2002 Trek 5200, KHS Flite, Koga Miyata, Schwinn Spitfire 5, Mondia Special, Univega Alpina, Miyata team Ti, Santa Cruz Highball, Waterford rs11
I believe it is Exage drivetrain. Not bad, but some of the shifter pieces are plastic. They deteriorate over time. Integrated with the brakes. If there is a problem you most likely would need to replace levers also.