Joined: Feb 2012
Posts: 19,352
Likes: 5,469
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
What you have is a common cup and cone type of BB with "rubber" (or plastic) seals. For the shown cup a hook spanner/wrench is the typical tool. I believe there's a second slot hidden by the axle. Park use to make a series of spanners (SP-?) that were color coded by their end fittings. IIRC the yellow one was the tool I'd use. These cups weren't the best to grab with a tool though. Andy