Originally Posted by cs641

Looking for recommendations on the best single speed freewheels out there. We use 20T freewheels in commercial operations and lately the quality of brands we have been using for many years has really tanked.

Also, we use a BMX style one piece crank and have started having failures of the BB's. What's a good strong BB to go with for a commercial operation? Should we upgrade to a sealed cartridge style unit instead?