Shimano BB-UN26 cartridge BB, JIS – 68x123mm

and I found chain alignment to be really good on the whole setup I completely renovated a 90s Miyata frame that had no indexed shifting, gummed up bottom bracket and worn out chainrings, and now it is a city bike with new Altus parts. This 123mm wide bracket is the right one to go with the Altus triple 48/38/28 crankset, and I found chain alignment to be really good on the whole setup. Here’s my list:…

Cheap, good quality, may buy again. Cheaper alternative to the UNBB55, but works the same.Only complaint is the plastic non-drive ring; may be easily damaged during tightening. Just be careful when you’re threading it in.I replaced an old cartridge bearing BB with this one. The cartridge bearings, spindle, and cups were damaged beyond repair.Much better than the old cartridge. It’s sealed and it spins with less friction.Grease the threads with a non-petroleum product as it may…