I used this to replace the bb in my 1983 Schwinn Predator. It worked perfectly, but the “sealed” mechanism is and it isn’t. It’s the same as a basic non sealed bb, but they added this plastic grommet the goes between the bearing ring and the rest of the assembly. It works to an extent, but note the after time and friction that grommet will wear out and start to protrude from the assembly. You’ll have to replace it at that point. I’ve been using mine for six months and I have not had to…
FixWhat Waterproof Motorcycle Bike Shoes Covers,Reusable Anti-slip Rain Snow Shoes Overshoes Gear Zipped Boot for Men and Women Rain Covers (Black, Sole 12.6inch)
Bifast Bicycle Saddle Seat Cover 3D Sponge Bicycle Seat Cover Bike Seat Cushion Cover Cushion Pad Protector with Memory Foam Non Slip for Mountain Bike Road Bike MTB Cycling (Black)
BARHAR Kids Dirt Bike Body Chest Spine Protector Armor Vest Protective Gear for Dirtbike Bike Motocross Skiing Snowboarding Black (M for height 45″-51″)
Bearings are better than adequate, not so sure about the seals.
I used this to replace the bb in my 1983 Schwinn Predator. It worked perfectly, but the “sealed” mechanism is and it isn’t. It’s the same as a basic non sealed bb, but they added this plastic grommet the goes between the bearing ring and the rest of the assembly. It works to an extent, but note the after time and friction that grommet will wear out and start to protrude from the assembly. You’ll have to replace it at that point. I’ve been using mine for six months and I have not had to…