Joined: Feb 2012
Posts: 19,320
Likes: 5,428
From: Rochester, NY
Bikes: Stewart S&S coupled sport tourer, Stewart Sunday light, Stewart Commuting, Stewart Touring, Co Motion Tandem, Stewart 3-Spd, Stewart Track, Fuji Finest, Mongoose Tomac ATB, GT Bravado ATB, JCP Folder, Stewart 650B ATB
Pretty much any current same cog count freewheel is likely to be SIS compatible. But any SIS compatible freewheel should also state that in the specs. Even if all the docs suggest things are good the proof in in the actual trying. BTW a new cog set might also want a new chain. Andy